HCNA H12-211-ENU Free Practice Test

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1. The IP addresses of clients in the network are deployed via a DHCP server.

When a host reboots, which message will the host first send to the DHCP server?

DHCP DISCOVER

DHCP REQUEST

DHCP OFFER

DHCP ACK

2. What benefits does port aggregation yield? (Choose three)

Improves link bandwidth

Implements load sharing

Improves network reliability

Facilitates data copy for analysis

3. Which of the following VRP commands can be used to enter area 0 view? (Choose two)

[Huawei]ospf area 0

[Huawei-ospf-1]area 0

[Huawei-ospf-1]area 0.0.0.0

[Huawei-ospf-1]area 0 enable

4. The network administrator wants to improve the performance of network transmission, what steps can the administrator take? (Choose two)

Change the work mode to full duplex of each end station.

Link the end stations together using a switch.

Change the work mode to half duplex of each end station.

Link the end stations together using a hub.

5. Refer to the configuration output.

Which following statements are correct? (Multiple choice)

VLAN 1 cannot pass over interface Gigabit Ethernet 0/0/1.

VLAN 1 can pass over interface Gigabit Ethernet 0/0/1.

Prior to changing the link-type to access, the command “undo port trunk allow-pass vlan all” must be used to renew the default configurations.

Prior to changing the link-type to access, the command “undo port trunk allow-pass vlan 2 to 4096” must be used to renew the default configurations.

6. On the command line interface of Huawei AR routers, the role of the Save command is to Save the current system time.

TRUE

FALSE

7. Refer to the configuration output.

Which of the following statements is correct regarding the configuration of the ACL on RTA?

Packets from network 20.1.1.0/24 network will be denied.

Packets from network 20.1.1.0/24 network will be permitted.

Packets destined for network 20.1.1.0/24 will be denied.

Packets destined for network 20.1.1.0/24 will be permitted.

8. The authentication, authorization and accounting schemes and HWTACACS or RADIUS server templates created on AR routers take effect only after being applied to a domain.

TRUE

FALSE

9. In OSPFv3, router IDs can be used automatically generated by the system.

True

False

10. Two routers are connected via serial interfaces and the link-protocol is PPP, but the MRU of two serial interfaces are different, in PPP LCP negotiated stage, what will happen?

LCP negotiation will fail

Negotiation will use the smaller value

Negotiation will use the larger value

Negotiation will use 1500

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11. Refer to the graphic, after the ping 10.1.1.2 command is executed on R1, LSW1 receives a tagged data frame from VLAN 10 on LSW2.

TRUE

FALSE

12. Which of the following descriptions regarding IPv6 addresses are correct? (Choose two)

IPv6 addresses are 64 bits in length.

IPv6 addresses are 128 bits in length.

IPv6 extension headers are processed in order.

IPv6 extension headers are processed randomly.

13. Which of the following commands is used to enable dynamic address mapping protocol in the interface encapsulated with Frame Relay?

fr inarp

fr reverse-arp

inverse-arp

reverse-arp

14. On the VRP platform, which of the following commands is used to configure the Router ID of a router as 1.1.1.1?

<Huawei>router id 1.1.1.1

[Huawei]router id 1.1.1.1

[Huawei]router-id 1.1.1.1

[Huawei]router id 1.1.1.1 255.255.255.255

15. Assuming all STP enabled switches have the same bridge priority. The MAC address of switch A is 00-e0-fc-00-00-40, the MAC address of switch B is 00-e0-fc-00-00-10, the MAC address of switch C is 00-e0-fc-00-00-20, and the MAC address of switch D is 00-e0-fc-00-00-80.

Which switch will be elected as the root switch?

Switch A

Switch B

Switch C

Switch D

16. Which of the following statements about the information contained in a Database Description packet are true? (Choose three)

A Database Description packet contains all information about each LS

A Database Description packet contains only the header of an LS

The header of an LSA is the unique identifier of the LS

The header of an LSA is only a small portion of all the data of the LS

17. On Huawei AR G3 Series routers, which authentication modes does AAA support? (Choose all that apply.)

None

Local

Radius

802.1X

18. If Frame Relay implements dynamic address mapping for the PVC, which protocol will be used?

LMI protocol

ARP protocol

RARP protocol

InARP protocol

19. Which of the following is the feature of port-based VLAN assignment?

VLAN IDs are allocated based on the protocol type and encapsulation format of data frames.

The VLAN does not need to be configured again when hosts move.

The VLAN tag is added to data frames based on the IP address carried in the frames.

The VLAN needs to be configured again when hosts move.

20. In RSTP mode, both alternate and backup ports cannot forward user traffic but can receive, process, and send BPDU.

True

False

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21. A layer 2 LAN switch generates CAM table entries according to the ( ) of the received frame.

Source MAC address

Destination MAC address

Source IP address

Destination IP address

22. Refer to the graphic.

VLANs 10 and 20 have been created on both SWA and SWC. VLAN 10 has been manually created on SWB. SWB has learned VLAN 20 from SWA via GVRP, allowing the hosts to belong to different VLANs as shown.

If port Interface G0/0/1 on SWB is changed to fixed mode, what will happen?

Host A will still be able to communicate with Host

Host B will still be able to communicate with Host

Hosts that belong to the same VLAN will still be able to communicate.

All hosts will be unable to communicate with any other host.

23. Refer to the graphic.

A host has established a telnet connection with the router attached to interface G0/0/0.

Which of the following statements are correct? (Choose all that apply.)

The destination MAC address of a frame sent by the host will be the MAC address of the router interface G0/0/0.

The destination MAC address of a frame sent by the host will be the MAC address of the switch.

The destination port number in a segment header will have a value of 80.

The destination IP address of a packet will be the IP address of the Router interface G0/0/0.

24. An administrator currently manages AR2200 devices in the network through a single password, however the company wishes to introduce another two administrators and provide unique user credentials and privilege levels for telnet access to the network devices.

What action can be taken? (Choose three)

Configure three users under the AAA-view, and assign each a different password.

The authentication mode must be changed to AA

Each administrator must be assigned a privilege level.

A public IP address must be assigned to each user for telnet access

25. Which of the following descriptions regarding eSight is not correct?

eSight is used to monitor and manage enterprise networks.

eSight supports only Huawei devices.

eSight supports WLAN management and monitoring of hotspot coverage.

eSight supports the backup of configuration files and network traffic analysis.

26. A server is linked to port interface G0/0/1 of a switch. The administrator wishes to allow only this server to be linked to this interface on the switch.

Which method can be used to achieve this?

Configure a static ARP entry using the server’s IP address and MAC address in the switch.

Configure a static MAC address binding entry of the server’s MAC address and the interface in the switch.

Configure the default gateway of the switch to be the same as the server’s IP address.

It is not possible to enable a single device to be associated with an interface.

27. An AR2200 router is required to be reconfigured from scratch.

Which steps are needed to achieve this? (Choose all that apply.)

Reset the saved configuration.

Clear the current configuration.

Reboot the AR2200.

Assign the configuration file to be used at next startup.

28. Two end stations in a point-to-point network perform address resolution.

Which of the following statements is correct?

The destination address of an ARP request from each station will be a unicast MAC address.

The destination address of an ARP request from each station will be a broadcast IP address.

The destination address of an ARP reply from each station will be a unicast MAC address.

The destination address of an ARP reply from each station will be a broadcast MAC address.

29. What is the meaning of 200 in the command "fr map ip 10.1.1.2 200"?

remote logical channel ID

local DLCI

remote interface ID

remote node ID

30. Which of the following statements regarding Designated Routers in OSPF are correct? (Choose three)

DR is elected by all the routers in the same network segment.

If the priorities of two routers are different, the router with the lower priority will be elected as D

If the priorities of two routers are equal, the router with the higher Router ID will be elected as D

DR and BDR must be adjacent.

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31. The RADIUS information of the router is configured as follows.

Which of the following statements is/are correct?

The IP address of the authentication server is 200.0.12.1.

The IP address of the authorization server is 200.0.12.1.

The source IP address of the RADIUS packets sent by the router is 200.0.12.2.

The IP address of the accounting server is 200.0.12.1.

32. Refer to the debug output.

Following configuration of R2, the administrator discovers that the behavior is not as expected and performs debugging.

Based on the output from the debug, what is the source of the problem?

R2 has configured an ACL to block the route to network 1.0.0.0

R2 has enabled split horizon.

R1 is using authentication, however R2 is not.

R2 is operating using RIPv2, while R1 is using RIPv1.

33. You can run the “startup saved-configuration backup.cfg” command on the user interface of the Versatile Routing Platform (VRP) to specify the “backup.cfg” file as the configuration file for next startup.

True

False

34. Which of the following technologies is used to bind MAC addresses to interfaces on a switch?

Port security.

35. On the network shown in the figure, if all links are Ethernet links and all routers run OSPF, how many DRs will be elected on the entire network?

36. Which of the following descriptions about STP designated ports is correct?

Designated ports forward frames destined for the root switch.

Designated ports represent the path leading to the root switch.

Each bridge can have only one designated port.

Designated ports are responsible for sending BPDU to connected network segments.

37. A network administrator uses the ping command to test connectivity to the destination 10.0.0.2 on a Huawei AR series router.

Which statement regarding the output is correct?

The network administrator used the command ping -c 2 -s 800 10.0.0.2

The network administrator used the command ping -a 2 -v 800 10.0.0.2

The path between the source and destination is not O

The network administrator changed the default TTL value.

38. Which of the following statements regarding single area OSPF are correct? (Choose three)

An IP address needs to be configured on a loopback interface of each router before configuring an OSPF area.

The value of an area can be from 0.0.0.0 to 255.255.255.255.

A single area can be configured using any supported area number.

All of the links of the network need to be advertised in Area 0.

39. FTP may be used to upgrade a router's VRP image.

Which of the following transmission modes should be used to achieve this?

binary mode

ASCII mode

byte mode

letter mode

40. A user accesses a server supporting AAA, for which the authorization mode on the AAA server has been configured using the command “authorization-mode hwtacacs if-authenticated”.

Which of the following statements regarding this command are true? (Choose three).

If the hwtacacs server fails to respond, the user will be authenticated using local authentication.

If the hwtacacs server fails to respond, the user will be authenticated using remote authentication.

If the hwtacacs server fails to respond, the user will bypass authentication.

The hwtacacs server will authorize the user.

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41. Which of the following authentication methods are supported for Telnet users? (Choose three)

Password authentication

AAA local authentication

MD5 authentication

No authentication

42. Refer to the capture output.

The administrator has captured three packets in the network.

Which statement regarding the captured packets is incorrect?

This packets represent a TCP three-way handshake process.

10.0.12.1 is the telnet server, while 10.0.12.2 is the telnet client.

The three packets contain no application data.

10.0.12.1 uses port 50190 to buid the telnet connection.

43. An administrator wishes to manage the router in the remote branch office, which method can be used?

Telnet

FTP

Console Connection

DHCP

44. Refer to the graphic.

The administrator has configured an IP address for Host A and Host B, but had forgotten to configure a default gateway.

What effect will this have on the hosts?

Neither host will be affected, and therefore will be able to communicate with the peer.

Host A will be unable to connect to the router’s G0/0/0 interface.

Hosts will be unable to communicate unless arp-proxy is enabled on the router.

The host will be unable to reach neither the local nor remote network destinations.

45. Which of the following technologies can allow a host with IP address 10.0.0.1 to access the internet?

Static route

Dynamic route

Route import

NAT

46. In RSTP, a backup port can replace a faulty root port.

TRUE

FALSE

47. Which of the following statements are correct? (Choose two)

A single collision domain exists between RTA and SW

A single broadcast domain exists between SWA and SW

A single collision domain exists between SWA and SW

A single broadcast domain exists between SWA and SW

48. Which of the following statements are correct about NAT? (Choose three)

NAT is the abbreviation for "Network Address Translation".

NAT is used for translation between private and public network addresss.

When hosts inside a private network access the outside network, NAT is not required.

NAT provides an effective way to solve the problem of insufficient IP addresses.

49. Refer to the graphic, 00e0-fc99-9999 is a specific host MAC address learned by a switch through ARP and the host changes the IP address three times.

TRUE

FALSE

50. Refer to the graphic.

Both switches are operating using STP. With exception to those shown, all other default parameters have been maintained.

Which port will be blocked?

Port G0/0/1 of switch

Port G0/0/2 of switch

Port G0/0/1 of switch

Port G0/0/2 of switch

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51. Which of the following information must be configured for a DHCPv6 relay agent?

DHCPv6 address pool

DNS server address

IPv6 address of the DHCPv6 server

DHCPv6 DUID

52. Which of the following steps are necessary to configure OSPF on a Huawei router? (Choose three)

Configuration of a router ID

Enabling of an OSPF process

Specifying an OSPF area

Configuration of the network segments within each area

53. Refer to the graphic, which of the following statements is true about OSPF topology and configuration?

A stable OSPF neighbor relationship can be set up between R1 and R2.

After the default network type of the interface on R1 is restored to broadcast, a stable OSPF neighbor relationship can be set up between R1 and R2.

After the default network type of the interface on R1 is restored to broadcast and the hello packet sending interval is changed to 10s, a stable OSPF neighbor relationship can be set up between R1 and R2.

Compared with R1, R2 is more likely to become the DR because the DR priority of the interface on R2 is lower than that of R1.

54. The network administrator needs to configure static NAT on RTA, in order to allow Host A to communicate with Host C.

Which command is correct?

[RTA-Serial1/0/1]nat outbound 200.1.1.10

[RTA-Serial1/0/1]nat static global 200.1.1.10 inside 192.168.1.0

[RTA-Serial1/0/1]nat static global 192.168.1.1 inside 200.1.1.10

[RTA-Serial1/0/1]nat static global 200.1.1.10 inside 192.168.1.1

55. What functions does a Hello packet of OSPF implement? (Choose two)

Neighbor discovery

Deletion of unreachable neighbors

Maintaining of neighbor relationships

Negotiation of parameters among adjacent ports

56. Which of the following descriptions regarding the TTL field of the IP packet is correct?

The TTL defines how many packets the source can send.

The TTL defines the duration during which the source can send packets.

The TTL value will decrement by 1 each time the packet is routed.

The TTL value will increment by 1 each time the packet is routed.

57. Refer to the configuration output.

Which of the following statements regarding the configuration output are correct? (Choose all that apply.)

The PVID on interface GigabitEthernet0/0/1 is 10.

The PVID on interface GigabitEthernet0/0/1 is 1.

The PVID on interface GigabitEthernet0/0/2 is 10.

The PVID on interface GigabitEthernet0/0/2 is 1.

58. Refer to the graphic.

Which statements correctly explains the forwarding behavior between RTA and RTE? (Choose all that apply)

When the network uses OSPF, data will be forwarded along the path via S1/0/0

When the network uses RIPv2, data will be forwarded along the path via S1/0/0

When the network uses OSPF, data will be forwarded along the path from via E0/0/1

When the network uses RIPv2, data will be forwarded along the path via S2/0/0

59. Which command should be used to check the mapping between protocol addresses and frame relay addresses?

display fr interface

display fr map-info

display fr inarp-info

display interface brief

60. When a network administrator configures STP in the network, BPDU begin to be sent by switch.

Which of the following statements regarding the BPDU frame are correct?

A BPDU uses the IEEE 802.3 standard frame type

A BPDU uses the Ethernet II standard frame type

The BPDU frame’s control field is 3

The destination MAC address field of a BPDU frame is a broadcast address

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61. Which of the following statements regarding layer-2 switch is incorrect?

The switch learns MAC addresses automatically.

The layer-3 header is modified before the received packet is transmitted.

The layer-2 header is modified before the received packet is transmitted.

The layer-2 LAN switch operates at data link layer.

62. On Huawei switches, you can run the vlan batch command to create multiple VLANs in batches.

True

False

63. When R2 forwards data to R3 from R1, which of the following items will change? (Choose two)

The source MAC address

The destination MAC address

The source IP address

The destination IP address

64. Refer to the command output.

<Huawei> system-view

[Huawei]command-privilege level 3 view user save

What is the result of the shown command?

The command adjusts the save command of a user to privilege level 3.

The command adjusts the save command in the user view to privilege level 3.

The command adjusts the user view command privilege level to 3, and saves the configuration.

The command adjusts the privilege level of a user to 3, and saves the configuration.

65. How many probe packets are sent for each TTL value by default when "tracert" is used to detect the path along which packet is sent from source to destination?

66. The administrator wishes to manage a network through telnet from a user's terminal to a router.

How can this be achieved?

A connection should be established between the ethernet port of the terminal and the console port of the router.

A connection should be established between the ethernet port of the terminal and the ethernet port of the router.

A connection should be established between the console port of the terminal and the ethernet port of the router.use console cable connect pc’s ethernet port and router’s console port.

A connection should be established between the COM port of the terminal and the console port of the router.

67. On Sx7 series switches, which of the following VLANs can be removed by using command “undo”? (Choose all that apply.)

vlan 1.

vlan 2.

vlan 1024.

vlan 4094.

68. In the case of Huawei router, what is the "-i" parameter in a Ping command issued on a VRP operating system used to set?

Interface for sending an Echo Request packet

Source IP address for sending an Echo Request packet

Interface for receiving an Echo Reply packet

Destination IP address for receiving an Echo Reply packet

69. In the PPPoE discovery stage, the PPPoE server assigns a session-id to the PPPoE client in which packet?

PADI

PADO

PADR

PADS

70. Which of the following route entries can be aggregated into 10.0.0.24/29? (Choose all that apply.)

10.0.0.25/30

10.0.0.23/30

10.0.0.26/30

10.0.0.22/30

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71. Refer to the graphic.

GE0/0/1 and GE0/0/2 on the switch are configured as hybrid interfaces.

Which of the following statements are true? (Choose all that apply)

The administrative department and the finance department cannot communicate with each other because the VLANs of the two departments are different.

The data frames sent by the administrative department carry tagged VLAN 20 on the switch.

On the switch, the data frames sent by the finance department carry tagged VLAN 20.

The switch can be a Layer 2 or Layer 3 switch because communications do not need to be transmitted through a Layer 3 gateway.

If GE0/0/1 and GE0/0/2 on the switch are changed to trunk ports, the administrative department and finance department can communicate with each other.

72. The users who log on the router through Telnet are not permitted to configure IP address.

What is the possible reason?

Communication failures occur between the user and the router.

The authentication mode of Telnet is set incorrectly.

Privilege level of Telnet is set incorrectly.

SNMP parameters are set incorrectly.

73. Which of the following statements about static route preference on Huawei devices is false?

Static route preference ranges from 0 to 255.

Default static route preference is 60.

Static route preference is either internal or external. Administrators can modify external preferences.

If static route preference is 255, the route cannot be used.

74. Which of the following mechanisms are used for flow control? (Choose three)

Acknowledgement

Buffering

Source quench messages

Windowing

75. If AAA authentication is used on Huawei devices and the remote server does not respond, the authentication can be performed on network devices.

True

False

76. Refer to the output.

<Huawei>

Warning: Auto-Config is working. Before configuring the device, stop Auto-Config. If you perform configurations when Auto-Config is running, the DHCP, routing, DNS, and VTY configurations will be lost. Do you want to stop Auto-Config? [y/n]:

When the administrator first starts the router, a system notice is displayed, however after rebooting this router, the notice disappeared.

What is the reason for this? (Choose all that apply.)

This notice only appears during the very first device startup.

The administrator has configured the device and saved the configuration, causing the notice to disappear.

The administrator selected ‘n’ and did not save the configuration.

The administrator selected ‘y’ and saved the configuration.

77. A router has learned two routes for the same network with the same prefix. One route has been learned via OSPF with a metric of 4882, while the other route has been learned via RIPv2 with a metric of 4.

Which route (s) will be found in the routing table?

The RIPv2 route.

The OSPF and RIPv2 routes.

The OSPF route.

Neither of these routes will be found in the routing table.

78. What is the function of the “ip address ppp-negotiate” command?

Enables the function of requesting for an IP address from the peer device.

Enables the function of accepting the request for an IP address from the remote device.

Enables the function of statically allocating IP addresses to the peer.

None of the above.

79. A network administrator recently used tracert to trace the path to the destination IP address of an external website, however the trace path displayed only a timeout result.

Which of the following statements correctly explains the reason for this? (Choose two)

The source router had shutdown the ICMP function.

This destination IP address does not exist.

The gateway cannot find a route to the destination.

This is a normal phenomenon.

80. Which of the following OSPF packets can ensure LSA update reliability?

LSR

LSU

LSACK

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81. Refer to the graphic. Host A and Host B use VLAN routing to facilitate communication.

What must be configured on interface G0/0/1.1 of RTA to achieve this?

dot1q termination vid 1.

dot1q termination vid 10.

dot1q termination vid 20.

dot1q termination vid 30.

82. Whilst configuring a device, an administrator experiences trouble remembering certain commands.

Which of the following will help support the administrator? (Choose two)

TAB

question mark

ctrl+b

ctrl+c

83. On an FR network, the DLCI identifies a virtual circuit on an interface. The DLCI must be unique during planning and deployment.

True

False

84. Which of the following IPv6 addresses can be configured on a router’s interface? (Choose two).

fe80:13dc::1/64

ff00:8a3c::9b/64

::1/128

2001:12e3:1b02::21/64

85. An AR2200 router in the company network cannot boot. In order to resolve this, the administrator wishes to update the VRP software.

What should he/she do?

The administrator should use a console cable to connect the router and host, and directly upgrade the device.

The administrator should use FTP to transfer the VRP software, by configuring the AR2200 router as an FTP client.

The administrator should use DHCP to boot the AR2200, and then use the AR2200 router as a TFTP client to download the VRP software from the server.

The administrator should use the telnet command on the client to remote access the device, and upgrade the VRP software.

86. In a small network supporting IPv6, a network administrator wishes implement RIPng.

Which of the following commands should be used to enable this protocol?

[RTA-GigabitEthernet0/0/0]ripng 1 enable

[RTA]ripng 1 enable

<RTA>ripng 1 enable

[RTA-ripng-1]ripng 1 enable

87. Which of the following are routed protocols? (Choose all that apply.)

OSPF

BGP

IPX

88. A DHCP server has been established in the enterprise network. After the client has obtained an IP address from the DHCP server, the user decided to modify the IP address manually.

In what way may this affect the enterprise network? (Choose two).

The client may experience an IP address conflict.

The client may access the network normally.

The client’s interface connection will shutdown.

The client will associate with another DHCP server.

89. Which of the following fields are contained in an ARP packet?

Source Hardware Address

Hardware Type

Source Protocol Address

Operation Code

90. 0.1.0/24 O_ASE 150 2 D 10.0.23.3 Serial2/0/0

Which of the following statements regarding route shown are true? (Choose two)

The address 10.0.23.3 has been configured on the peer’s serial 2/0/0 interface.

The route preference has been changed by the administrator.

The metric for the route 10.0.1.0 indicates that two hops are needed.

The route has been learned via the OSPF protocol.

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91. Following a failure of services in the network, an administrator discovered that the configuration in one of the enterprise routers had been changed.

What actions can be taken by the administrator to prevent further changes? (Choose three)

The administrator should limit access by setting the login privilege of users to 0.

The administrator should configure AAA to manage user authorization on the router.

The administrator should configure an ACL to allow only the administrator to manage the router.

The administrator should configure port-security on the router.

92. An OSPF area is a collection of a group of routers and networks. OSPF defines that routers that have the same ( ) belong to the same OSPF area.

neighbors

LSDB

LSA

adjacency

93. Segment routing-traffic engineering (SR-??) is a new ?? tunneling technology that uses SR as a control protocol. All nodes of an SR-TE tunnel, including the ingress and transit nodes, must be aware of the tunnel and complete label distribution and forwarding.

True

False

94. Which of the following statements explains the behavior of the ICMP redirect function? (Choose two)

When a router receives data on the interface via which the same data needs to be forwarded, and the source is on the same segment as the next hop, an ICMP redirect message will be sent by the router to the source.

When a router receives data on an interface, and the router’s IP address matches the destination IP of the data, an ICMP redirect message will be sent by the router to the source.

When a router receives data on the interface via which the same data needs to be forwarded, and the source is on the same segment as the next hop, an ICMP Redirect message will be sent by the source to the router.

When a router receives data on the interface via which the same data needs to be forwarded, and the source is on a different segment from the next hop, an ICMP redirect message will be sent by the router to the source

95. What is the default authentication mode for the default_admin domain?

None

Local

Radius

802.1X

96. Layer 2 switches are data link layer devices that identify MAC addresses of Layer 2 data frames and forward Layer 2 data frames based on MAC addresses. In addition, they record mappings between MAC addresses and interfaces in the MAC address table.

True

False

97. After a command for displaying RIP route information is entered on a router, peer 192.168.1.2 on Serial1/0/0 is displayed in the returned result.

What does 192.168.1.2 stand for?

Address of a RIP neighbor

Address of the port with the RIP protocol enabled

Next hop address of the RIP route

Transmission address of the RIP protocol

98. The output of the following command on router R1 is as follows.

Which of the following statements are true?

The router discards the packets destined for 11.0.0.0/8.

The packets destined for 12.0.0.0/8 are forwarded through Ethernet0/0/0 on the router.

The router forwards the packets destined for 12.0.0.0/8.

The packets destined for 11.0.0.0/8 are forwarded through GigabitEthernet0/0/0 on the router.

99. An Ethernet frame is captured by network protocol analyzer tool and the value of Type/Length field is 0x0800.

Which of the following statements about the frame are correct? (Choose two)

The frame structure of the frame is Ethernet_II

The frame structure of the frame is 802.3

Its upper layer protocol is IP

Its upper layer protocol is IPX

100. According to the following topology and configuration, R1 and R2 are connected through low-speed serial cables and PPP is used to encapsulate data link layer packets.

When the Holdtime values of R1 and R2 are different, PPP negotiation and communication fail.

TRUE

FALSE

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101. Refer to the command output.

<Huawei>system-view

[Huawei]history-command max-size 20

Which statements regarding the shown command are true? (Choose two)

The command is used to adjust the size of the history command buffer.

The default value of the history command buffer is 5.

The command should be configured in the user-interface view.

Once configured, commands totaling up to 20 bytes can be saved in the buffer.

102. Which of the following storage devices is used to store the startup configuration files in a router?

SDRAM

NVRAM

Flash

Boot ROM

103. The network administrator has decided to configure link aggregation in the enterprise network.

Which of the following represent advantages of link aggregation? (Choose three)

Load balancing.

Improved bandwidth.

Enhanced reliability.

Improved security.

104. Which of the following items can be translated by NAPT?

MAC address + port number

IP address + port number

Only MAC address

Only IP address

105. Refer to the display output.

What can be determined based on the output of the display command?

Interface Gigabit Ethernet 0/0/0 is connected to a wrong cable

Interface Gigabit Ethernet 0/0/0 is not associated with an IP address

Interface Gigabit Ethernet 0/0/0 is not associated with a dynamically defined route.

Interface Gigabit Ethernet 0/0/0 has been manually shut down by an administrator.

106. To establish multiple PPP point-to-point connections in the Ethernet network, a PPPoE server establishes connections with multiple PPPoE clients on one Ethernet port.

How does PPPoE differentiate between each connection?

MAC address.

IP address and MAC address

MAC address and ppp-id

MAC address and session-id

107. Which of the following statements about a port on a switch is/are false?

If the port receives data frames without VLAN tags, the switch needs to add VLAN tag 200.

If the VLAN tag carried in a data frame is 100, the switch removes the VLAN tag and sends the frame.

The link type of the port is trunk.

The port cannot send data frames carrying VLAN tag 200.

108. In port aggregation, “multiple” ports are aggregated to form a port aggregation group so that all the member ports in the group share the outgoing/incoming load.

At which layer is port aggregation implemented?

Physical Layer

Data Link Layer

Network Layer

Transport Layer

109. Refer to the configuration output. A network administrator configured the ACL on router RTA, as shown.

Which of the following statements regarding the rule order are correct? (Choose two).

The rule-number of the first rule is 1

The rule-number of the first rule is 5

The rule-number of the second rule is 2

The rule-number of the second rule is 10

110. According to the configuration of single-armed routing in the following figure, the administrative department and finance department can communicate with each other even the proxy ARP is disabled on the subinterface on R1.

True

False

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111. A network administrator has captured a data frame in the network with the destination MAC address of 01-00-5E-A0-B1-C3.

The correct statement about this MAC address is ().

It is a unicast MAC address

It is a broadcast MAC address

It is a multicast MAC address

It is an illegal MAC address

112. Which of the following is not the working principle of CSMA/CD?

Listen While Talk

RRetransmission after a fixed time delay

Conflict suspension

Retransmission after random delay

Listen Before Talk

113. The IPv4 address of the host is 200.200.200.201/30.

Which host with the following IPv4 address and its communication do not need to be forwarded by the router?

200.200.200.1

200.200.200.202

200.200.200.200

200.200.200.203

114. If the Ethernet data frame is Length/Type=0x0806, which of the following statement is correct? (Multiple Choice)

This data frame is an Ethernet II frame.

This data frame is an IEEE 802.3 frame

The source MAC address of this data frame must not be FFFF-FFFF-FFFF

The destination MAC address of this data frame must be FFFF-FFFF-FFFF

115. When a router enabled with Proxy ARP function receives an ARP request packet and finds that the requested IP address is not its own, what actions are performed? (Multiple Choice)

If there is a route to the destination address, send its own MAC address to the ARP requester.

Discard the message

Broadcast ARP request message

Find if there is a route to the destination address or not

116. Which of the following storage media are commonly used by Huawei routers? (Multiple Choice)

SDRAM

NVRAM

Flash

Hard Disk

SD Card

117. The VRP operating system commands are divided into four levels: access level, monitoring level, configuration level, and management level.

Which level can run various business configuration commands but cannot operate the file system?

Access level

Monitoring level

Configuration level

Management level

118. On the VRP interface, you cannot use the command delete or unreserved vrpcfg.zip to delete files. You must empty them in the recycle bin to delete files completely.

TRUE

FALSE

119. The switch MAC address table is existing as follows, which of the following statements is correct?

The MAC address 5489-9885-1838 is manually configured by the administrator.

The MAC address 5489-9811-0b49 is manually configured by the administrator

The MAC address 5489-3891-1450 is manually configured by the administrator.

After the switch is restarted, all MAC addresses need to be re-learned.

120. As shown in the figure below, the switch starts the STP protocol.

When the network is stable, which of the following statements are correct? (Multiple Choice)

SWB is the root bridge in this network

SWA is the root bridge in this network

Both ports of SWB are in Forwarding state.

Both ports of SWC are in Forwarding state.

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121. The STP protocol is enabled on both switches shown in the figure below.

An engineer made the following conclusions on this network.

Do you think what is the correct conclusion? (Multiple Choice)

The G0/0/2 port of SWB is stable in the Forwarding state.

The G0/0/2 port of SWA is stable in the Forwarding state.

Both ports of SWB are designated ports.

The G0/0/3 port of SWA is stable in the Forwarding state.

Both ports of SWA are designated ports.

122. Compared to STP protocol, which kind of port role is added in RSTP protocol? (Multiple Choice)

Alternate port

Backup port

Root port

Designated port

123. As shown in the figure, the two switches use the default parameters to run STP. On Switch A, the configuration command STP root primary is used. On the switch B, the configuration command STP priority 0 is used.

Which of the following ports will be blocked?

G0/0/2 of switch A

G0/0/1 of switch B

G0/0/1 of switch A

E0/0/3 of HUB

124. Which of the following parameters does not the configuration BPDU packet of the STP protocol?

Port ID

Bridge ID

VLAN ID

Root ID

125. By default, how many seconds are the Forward Delay of STP protocol?

126. Which of the following parameters are used in the switched network that runs the STP protocol when performing spanning tree calculations? (Multiple Choice)

Root path cost

Port ID

Bridge ID

Forward Delay

127. In the STP protocol, assume that all switches are configured with the same priority. The MAC address of switch 1 is 00-e0-fc-00-00-40, and the MAC address of switch 2 is 00-e0-fc-00-00-10, the MAC address of switch 3 is 00-e0-fc-00-00-20, and the MAC address of switch 4 is 00-e0-fc-00-00-80, then the root switch should be ().

Switch 1

Switch 2

Switch 3

Switch 4

128. The network shown in the figure below, the MAC address of the switch has been marked. Enter the command stp root secondary on the SWD switch.

Which of the following switches will become the root bridge of this network?

SWA

SWB

SWC

SWD

129. Both the two switches shown in the following figure have STP enabled.

Which port will eventually be in the Blocking state?

G0/0/2 port of SWA

G0/0/3 port of SWA

G0/0/2 port of SWB

G0/0/3 port of SWB

130. The network as shown in the following figure, after the OSPF protocol is stable, what is the neighbor status of Router A and Router B?

2-way

Down

Full

Attempt

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131. In the network shown below, which of the following commands can be entered in the router to enable Host A to ping through Host B? (Multiple Choice)

Router A: ip route-static 10.0.12.5 255.255.255.252 11.0.12.1 Router B: ip route-static 10.0.12.1 255.255.255.252 11.0.12.2

Router A: ip route-static 0.0.0.0 0.0.0 11.0.12.1 Router B: ip route-static 0.0.0.0 0.0.0 11.0.12.2

Router A: ip route-static 10.0.12.5 255.255.255.252 11.0.12.2 Router B: ip route-static 10.0.12.1 255.255.255.252 11.0.12.1

Router A: ip route-static 0.0.0.0 0.0.0 11.0.12.2 Router B: ip route-static 0.0.0.0 0.0.0 11.0.12.1

132. The network as shown in the following figure, the following configurations exist on the Router A.

ip route-static 10.0.2.2 255.255.255.25510.0.12.2

ip route-static 10.0.2.2 255.255.255.255 10.0.21.2 preference 70

Which of the following statements are correct? (Multiple Choice)

The NextHop that reaches 10.0.2.2 in the routing table of Router A is 10.0.12.2.

If the G0/0/1 port is Down, the route that Router A reaches 10.0.0.2 is changed to 10.0.21.2.

The NextHop that reaches 10.0.2.2 in the routing table of Router A is 10.0.21.2.

If the G0/0/2 port is Down, the route that Router A reaches 10.0.0.2 is changed to 10.0.12.2.

133. Which of the following OSPF versions are suitable for IPv6?

OSPFv2

OSPFv3

OSPFv4

OSPFv1

134. T he network as shown in the following figure, which of the following commands can enable RouterA to forward a packet with the destination IP address of 10.0.0.3? (Multiple Choice)

ip route-static 10.0.3.3 255.255.255.255 10.0.12.2

ip route-static 10.0.2.2 255.255.255.255 10.0.12.2 ip route-static 10.0.3.3 255.255.255.255 10.0.2.2

ip route-static 0.0.0.0 0.0.0.0 10.0.12.2

ip route-static 10.0.3.3 255.255.255.255 10.0.2.2

135. Which of the following about the statement of static routing are incorrect?

Manual configuration by network administrator

Inter-route information needs to be exchanged between routers

Can not automatically adapt to changes in network topology

Low system performance requirements

136. Which of the following commands can be used to check whether OSPF has correctly established neighbor relationships?

display ospf neighbor

display ospf brief

display ospf peer

display ospf interface

137. For multiple paths to the same destination network, the router needs to select by comparing the size of the Cost value. If the value of the Cost is the same, then select according to the size of the Preference value.

True

False

138. As shown in the figure below, Host A and Host B cannot communicate.

True

False

139. For multiple paths to the same destination network, the router needs to select by comparing the size of the Preference value. If the Preference is the same, then select according to the size of the Cost value.

True

False

140. The routing table consists of multiple elements.

What is wrong with the following statement?

Proto shows to learn the routing protocol of this route

NextHop shows the local interface address of this route

Pre shows the priority of this routing protocol

Destination/Mask shows the address and mask length of the destination network/host

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141. The correct description of the following is (). (Multiple Choice)

The next hop in the routing table is redundant. If there is an outgoing interface, the packet can be forwarded.

Routes obtained through different routing protocols have different priorities

The metrics defined by different routing protocols are not comparable

The metrics defined by different routing protocols are comparable

142. Ip route-static 10.0.2.2 255.255.255.25510.0.12.2 preference 20, about this command, which is the correct statement? (Multiple Choice)

The route can guide the data packets forwarding with the destination IP address of 10.0.2.2.

The route can guide the data packets forwarding with the destination IP address 10.0.12.2.

The priority of the route is 20

The NextHop of the route is 10.0.12.2

143. The network as shown in the following figure, when the network administrator performs traffic planning, it is expected that the packets sent by Host A to Host B will be connected to G0/0/3 interface between the routers. The packets sent by Host B to Host A go pass the G0/0/4 interface between routers.

Which of the following commands can implement this requirement? (Multiple Choice)

Router A: ip route-static 10.0.12.5 255.255.255.252 11.0.12.2 Router B: ip route-static 10.0.12.1 255.255.255.252 11.0.12.5

Router A: ip route-static 0.0.0.0 0.0.0.0 11.0.12.6 Router B: ip route-static 0.0.0.0 0.0.0.0 11.0.12.1

Router A: ip route-static 10.0.12.5 255.255.255.252 11.0.12.6 Router B: ip route-static 10.0.12.1 255.255.255.252 11.0.12.1

Router A: ip route-static 0.0.0.0 0.0.0.0 11.0.12.2 Router B: ip route-static 0.0.0.0 0.0.0.0 11.0.12.5

144. If the IP address requested by the DHCP client is already occupied, which packet will the DHCP server use as the response?

DHCP ACK

DHCP RELEASE

DHCP NAK

DHCP DISCOVER

145. The DHCP REQUEST message must be sent in broadcast form.

True

False

146. Which DHCP message does the DHCP client send when it wants to leave the network?

DHCP DISCOVER

DHCP RELEASE

DHCP REQUEST

DHCP ACK

147. Huawei devices can be managed using the Telnet protocol.

Which of the following statements is correct about this management function?

The port number used by Telnet defaultly is 22, which cannot be modified.

Telnet must enable the VTY interface, and the maximum is 15

Telnet does not support authentication based on username and password

Telnet does not support deploying ACLs to increase security.

148. As shown, the topology and the configuration on the switch interconnect port, you can determine that the data frame labeled as VLAN 10 can be forwarded normally between the two switches.

True

False

149. The output information of a port of the switch is as follows.

What is wrong with the following statement?

If the data frame carries a VLAN TAG of 200, the switch strips the VLAN TAG and sends out

If the port receives a data frame without VLAN TAG, the switch needs to add VLAN TAG100.

The link type of the port is Hybrid type.

If the data frame carries a VLAN TAG of 100, the switch strips the VLAN TAG and sends out.

150. Which information of the data frame is judged by the VLANIF interface to perform Layer 2 forwarding or Layer 3 forwarding?

Destination MAC

Source IP

Destination port

Source MAC

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151. Packets forwarded between two routers must not carry VLAN TAG.

True

False

152. The Priority field in the VLAN tag identifies the priority of the data frame.

What is the priority range?

0-15

0-63

0-7

0-3

153. What is the characteristic of port-based VLAN partition?

Add a VLAN tag to the data frame based on the IP address carried in the packet.

Assign the VLAN ID according to the protocol type and encapsulation format of the data frame.

The host moving location no need to reconfigure the VLAN

The host moving location needs to reconfigure VLAN

154. The Protocol field in the PPP frame format is 0xC223, indicating that the protocol is:

CHAP

PAP

NCP

LCP

155. The configuration information of a router is as follows.

Which combination of username and password used by the peer router can enable PPP channel associated to complete authentication?

Username: test1 Password: test1

Username: test Password: test

Username: test2 Password: test

Username: test2 Password: test2

156. Which method does the PPPoE client use to send PADI packets to the Server?

Broadcast

Unicast

Multicast

Anycast

157. The network shown in the following figure requires the network where the host is located to access the Internet through Easy IP.

Which of the following ACLs should be used on the G0/0/3 interface of the router?

acl number 2000 rule 5 permit source 10.0.13.1 0.0.0.0 #

acl number 2000 rule 5 permit source 10.0.12.0 0.0.0.255 #

acl number 2000 rule 5 permit source 10.0.12.1 0.0.0.0

acl number 2000 rule 5 permit source 10.0.13.0 0.0.0.255

158. The configuration information of a router is as follows.

Which of the following statement is correct? (Multiple Choice)

The domain which domain name is huawei does not use the accounting scheme.

If the username huawei is used for authentication, the password needs to be 654321.

The authorization mode used by the domain which domain name is huawei is local authorization.

The authentication mode used by the domain which domain name is huawei is local authentication.

159. The IKE protocol is used to establish an SA for IPsec auto-negotiation, which can support identity authentication when the address of the initiator of the negotiation changes dynamically.

True

False

160. By default, in the SNMP protocol, which port number is used by the proxy process to send an alarm message to the NMS?

163

161

162

164

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161. If the result of the packet matching ACL is "reject", the packet is finally discarded.

True

False

162. In terms of security, IPsec tunnel mode is superior to IPsec transport mode.

True

False

163. What is the status of the OSPFv3 adjacency relationship after it is established?

2-way

Full

Down

164. The network as shown in the following figure, when OSPFv3 is enabled on all interfaces, Router A and Router B cannot establish adjacencies.

True

False

165. Which of the following fields are fields that exist in both IPv6 and IPv4 headers? (Multiple Choice)

Source Address

Version

Destination Address

Next Header

166. What is the destination address of the DHCPv6 request packet?

FF01::1:2

FF02::1:2

FF02::1

FF02::2

167. By default, how many seconds is the period of OSPFv3 HELLO packet sending on the Ethernet link?

168. Which of the following fields does the MPLS header include? (Multiple Choice)

Label

EXP

TTL

Tos

169. SR (SegmentRouting) defines a destination address prefix/node and adjacency in the network as segments, and assigns SIDs (Segment IDs) to the segments. By performing an unordered list of Adjacency SIDs and Prefix/Node SIDs (destination address prefixes/node segments), a forwarding path is obtained.

True

False

170. The ARP protocol can resolve the MAC address of the target device according to the destination IP address, thereby, to map the link layer address and the IP address.

True

False

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171. The Tracert diagnostic tool records the () of each ICMP TTL timeout message so that the user can be provided with the IP address of the packet when it arrives at the destination.

Destination port

Source port

Destination IP address

Source IP address

172. VLSM can expand any IP network segment, including Class D addresses.

True

False

173. Which fields in the IPv4 header are related to sharding? (Multiple Choice)

Fragment Offset

Flags

TTL

Identification

174. The pwd and dir commands in the VRP operating platform can view the file information in the current directory.

True

False

175. The output information of a router is as follows.

Which of the following statement is correct? (Multiple Choice)

The currently used VRP version file is the same as the VRP file used for the next startup.

The currently used VRP version file is different from the VRP file used for the next startup.

The currently used configuration file is different from the one used for the next startup.

The currently used configuration file is the same as the one used for the next startup.

176. For a switch running STP, the port can be directly converted to the Disabled state in any state.

True

False

177. Which of the following MAC addresses will not age? (Multiple Choice)

Dynamic MAC address

Black hole MAC address

Static MAC address

Port MAC address

178. By default, the bridge priority of a switch is 32768.

True

False

179. Which port of the following switches is blocked as shown in the following figure?

G0/0/2 of SWC

G0/0/1 of SWC

G0/0/3 of SWB

G0/0/3 of SWA

180. As shown in the following figure, all hosts can communicate normally.

What is the correct relationship between the SWBMAC address and the port?

MAC-A G0/0/3 MAC-B G0/0/3 MAC-C G0/0/1

MAC-A G0/0/1 MAC-B G0/0/2 MAC-C G0/0/3

MAC-A G0/0/2 MAC-B G0/0/2 MAC-C G0/0/3

MAC-A G0/0/1 MAC-B G0/0/1 MAC-C G0/0/3

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181. A switch running STP protocol will send TCN BPDUs only when a port on the switch fails.

True

False

182. How many bits of the Port ID total length in the spanning tree protocol?

183. As shown in the figure, the correct description about this network topology is ().

There are 6 collision domains in this network.

There are 6 broadcast domains in this network.

There are 12 collision domains in this network.

There are 2 broadcast domains in this network.

184. Which of the following statements about the Backup port in the RSTP protocol is correct?

Backup port as a backup of the designated port, providing another backup path from the root bridge to the corresponding network segment

Backup port not only forwards user traffic but also learns MAC address

Backup port does not forward user traffic but learns MAC address

Backup port provides another switchable path from the designated bridge to the root as the backup port of the root port

185. A network consisting of switches does not have STP enabled. A Layer 2 loop must occur.

True

False

186. When a port running the standard STP protocol receives a suboptimal BPDU, it immediately sends its own configuration BPDU from this port.

True

False

187. As shown in the following figure, all routers run OSPF protocol. The top of the link is the size of the Cost value.

What is the path of the RA to the network 10.0.0.8/8?

A-B-D

RA can not reach 10.0.0.0/8

A-D

A-C-D

188. Which of the following statements about OSPF neighbor status is correct? (Multiple Choice)

In the Exchange state, the routers send each other a DD packet containing the summary of the link state information to describe the content of the local LSD

The master-slave relationship of OSPF is formed in the ExStart state.

After the router LSDB is synchronized, it is converted to the Full state.

The serial number of the DD packet is determined in the Exchange state.

189. On the network shown in the following figure, the administrator wants Router A to use static routes to send packets to Router B priority through G0/0/1.

Which command can be used to meet this requirement?

ip route-static 10.0.2.2 255.255.255.255 10.0.12.2 ip route-static 10.0.2.2 255.255.255.255 10.0.21.2 preference 40

ip route-static 10.0.2.2 255.255.255.255 10.0.12.2 ip route-static 10.0.2.2 255.255.255.255 10.0.21.2 preference 70

ip route-static 10.0.2.2 255.255.255.255 10.0.12.2 ip route-static 10.0.2.2 255.255.255.255 10.0.21.2

ip route-static 10.0.2.2 255.255.255.255 10.0.12.2 preference 70 ip route-static 10.0.2.2 255.255.255.255 10.0.21.2

190. ip route-static 10.0.12.0 255.255.255.0 192.168.1.1

The correct description about this command is ().

The priority of this route is 100.

This command configures a route to the 192.168.1.1 network.

This command configures a route to the 10.0.12.0 network.

If the router learns the route of the same destination network as this route through other protocols, the router will prefer this route.

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191. Network structure and OSPF partition as shown in the figure, except for R1, routers R2, R3 and R4 are ABR routers of OSPF.

True

False

192. As shown in the configuration, the administrator has configured OSPF on R1, but R1 cannot learn the routes of other routers.

[R1] ospf

[R1-ospf-1] area 1

[R1-ospf-1-area-0.0.0.1] network 10.0.12.0 0.0.0.255

The possible reason is (). (Multiple Choice)

This router is not configured with authentication, but the neighbor router is configured with authentication.

The OSPF process ID is not configured when this router is configured.

The area ID configured by this router is different from the area ID of its neighbor router.

This router does not announce the network connecting neighbors when configuring OSP

193. Which of the following data packets is the OSPF protocol encapsulated in?

HTTP

UDP

TCP

194. Whichi of the following about the default route is correct? (Multiple Choice)

The default route can only be manually configured by the administrator.

In the routing table, the default route appears as a route to the network 0.0.0.0 (the mask is also 0.0.0.0)

There must be a default route in the routing table of any router.

If the destination address of the packet cannot match any destination address of the routing table, the packet will be forwarded by selecting the default route.

195. When configuring a static route on a broadcast interface, you can configure a static route by specifying the next hop address or outbound interface.

True

False

196. Which of the following attributes cannot be used as a parameter to measure Cost?

Delay

sysname

Hop count

Bandwidth

197. As shown in the following figure, Router A and Router B establish an OSPF neighbor relationship. The OSPF process ID of Router A is 1 and the area ID is 0.

Which of the following methods can enable Router B to obtain the route of the network segment where Host A is located? (Multiple Choice)

ospf 1 area 0.0.0.0 network 192.168.1.00.0.0.255 #

ospf 1 import-route direct #

ospf 1 area 0.0.0.0 network 192.168.0.00.0.255.255

ospf 1 area 0.0.0.0 network 192.168.1.2 0.0.0.0 #

198. Which of the following fields does not contain in HELLO packets of OSPF protocol?

Neighbor

sysname

Hello Interval

Network Mask

199. What are the roles of OSPF DR and BDR? (Multiple Choice)

Reduce the number of adjacencies

Reduce the type of OSPF packets

Reduce the time it takes to establish adjacency

Reduce the number of exchanges of link state information

200. Which of the following are routing protocols? (Multiple Choice)

BGP

IPX

OSPF

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201. In standard STP mode, which of the following ports on non-root switches forward the BPDUs with TC bits set generated by the root switch?

Root port.

Backup port.

Provisioning port

Designated port

202. The Message Age in the configuration BPDU sent by the root bridge in the STP protocol is 0.

True

False

203. Which of the following parameters should be considered when electing a root port in STP? (Multiple choice)

Duplex mode of the port

Port priority

the cost of the port reaches the root switch

MAC address of the port

Port slot number, such as G0/0/1

204. As shown in the following figure, assume that all routers run OSPF at the same time. Which kind of router is BDR in this network?

Router A

Router B

Router C

Router D

205. The routing table shown below, which of the following statement is correct? (Multiple choice)

The NextHop of the destination network 10.0.3.3/32 is not directly connected, so the router will not forward the packet with the destination IP address of 10.0.0.3.

The router forwards the packet with the destination IP address 10.0.2.2 from Ethernet0/0/0.

The router forwards the packet with the destination IP address 10.0.12.1 from Ethernet0/0/0.

The router forwards the packet with the destination IP address 10.0.0.3 from Ethernet0/0/0.

206. As shown in the figure below, which network device can Host A and Host B use to communicate?

Router

Hub

HUB

Layer 2 switch

207. The router output information is as follows, which of the following statement is wrong?

The MTU value of the Ethernet0/0/0 interface is 1480.

The physical link of Ethernet0/0/0 is normal.

The broadcast address corresponding to the Ethernet0/0/0 interface is 10.0.12.255.

The IP address of the Ethernet0/0/0 interface is 10.0.12.1/24.

208. Which of the following is not included in the routing table?

Next hop

Routing cost

Source address

Target network

209. Which of the following statement about the OSPF backbone area is correct?

Area 0 is the backbone area.

All areas can be backbone areas

The backbone area must be deployed when the number of routers running OSPF exceeds two.

All routers in the backbone area are ABR

210. What are the advantages of the OSPF protocol? (Multiple choice)

OSPF supports load balancing for equal-cost routes.

OSPF supports Classless inter-domain routing (CIDR)

OSPF supports packet authentication

Supporting the division of areas

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211. A DHCP server in the enterprise network is being used to allocated IP addresses to hosts. An administrator discovers however that some hosts are obtaining IP addresses outside of the scope of the DHCP server's address pool. What are the possible reasons for this? (Multiple Choice)

All addresses from the DHCP pool have been assigned.

The hosts were unable to discover a DHCP server and therefore generated their own address in the 169.254.0.0 address range.

Another DHCP server exists in the network and is allocating IP addresses to hosts that happen to be within a closer proximity than the authorized DHCP server.

The hosts were unable to discover a DHCP server and therefore generated their own address in the 127.254.0.0 address range.

212. [Huawei]user-interface vty 0 14

[Huawei-ui-vty0-14] ac1 2000 inbound

[Huawei-ui-vty0-14] user privilege level 3

[Huawei-ui-vty0-14] authentication-mode password

Please configure the login password (maximum length 16): Huawei

The configuration of vty is as shown above, and the user privilege level is set to level 3.

True

False

213. The aggregation port of the router can be configured with a routing subinterface.

True

False

214. Which VLAN partitioning method is most appropriate when the host frequently moves the location?

Based on IP subnetting

Based on MAC address division

Basic strategy division

Port-based partitioning

215. On the VRP platform, the role of the command "interface vlan <vlan-id>" is ().

Create or enter the VLAN virtual interface view.

Create a VLAN

No such command

Configure a VLAN for a port

216. NAPT distinguishes the IP addresses of different users by protocol numbers in TCP or UDP or IP packets.

True

False

217. Which message need to send when needing to terminate a PPPoE session?

PADR

PADT

PADO

PADI

218. Which of the following are the advantages of the PPP protocol? (Multiple choice)

PPP protocol supports negotiation of link layer parameters

PPP protocol supports negotiation of network layer parameters

PPP protocol supports both synchronous transmission and asynchronous transmission.

PPP protocol supports authentication

219. The network shown below. Which of the following configurations enables all hosts to communicate with Host C, but Host A and Host B cannot communicate?

acl number 4000 rule 5 deny destination-mac 5489-98ea-4c7c source-mac 5489-98d3-104d # interface GigabitEthernet0/0/1 traffic-filter inbound acl 4000 #

acl number 4000 rule 5 deny destination-mac 5489-98ea-4c7c source-mac 5489-98d3-104d # interface GigabitEthernet0/0/1 traffic-filter outbound acl 4000 #

acl number 4000 rule 5 deny destination-mac 5489-98ca-4c7c source-mac 5489-98c0-550e # interface GigabitEthernet0/0/1 traffic-filter inbound acl 4000 #

acl number 4000 rule 5 deny destination-mac 5489-98ea-4c7c source-mac 5489-98c0-550e # interface GigabitEthernet0/0/1 traffic-filter outbound acl 4000 #

220. As shown in the figure: IPsec VPN is used to transfer data between two hosts. In order to hide the real IP address and ensure the security of data as high as possible, which mode and protocol of IPsec VPN is better? (Multiple choice)

Tunnel mode

Transmission mode

ESP

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221. Apply the following ACL in Telnet: which of the following statement is correct?

acl number 2000

rule 5 deny source 172.16.105.30

rule 10 deny source 172.16.105.40

rule 15 deny source 172.16.105.50

rule 20 permit

#

The device with IP address 172.16.105.6 can use the Telnet service.

The device with IP address 172.16.105.3 can use the Telnet service.

The device with IP address 172.16.105.5 can use the Telnet service.

The device with IP address 172.16.105.4 can use the Telnet service.

222. Which of the following IPv6 addresses is a link-local address?

FC00::2E0: FCFF: FEEF: FEC

FE80::2E0: FCFF: FEEF: FEC

2000::2E0: FCFF: FEEF: FEC

FF02::2E0: FCFF: FEEF: FEC

223. Which field in the IPv6 header acts like the TTL field in the IPv4 header?

Version

Traffic Class

Hop Limit

Next Header

224. What are the three main roles in the DHCPv6 basic protocol architecture? (Multiple choice)

DHCPv6 switch

DHCPv6 relay

DHCPv6 client

DHCPv6 server

225. The value of the MO flag in the RA message sent by the DHCPv6 service is 01. Which of the following methods does the host use to automatically configure the address?

Value does not make any sense

DHCPv6 stateless autoconfiguration

DHCPv6 stateful autoconfiguration

Stateless autoconfiguration

226. Which of the following statements about the S field in the MPLS packet header is correct? (Multiple choice)

Is there any other label after marking this label, 1 means yes, 0 means no

The S bit exists in each MPLS packet header.

Is there any other label after marking this label, 0 means yes, 1 means no

S bit has only 1 bit in frame mode and 2 bits in cell mode.

227. <Huawei>reset saved-configuration

Warning: The action will delete the saved configuration in the device.

The configuration, will be erased to reconfi gure. Continue? [Y/N]:

The administrator configured the above on the AR2200, and which of the following description about the configuration information is correct?

The saved configuration file will be replaced by the running configuration file.

If the user wants to clear the saved configuration file, he should select “Y”

If the user wants to clear the saved configuration file, he should select “N”

The configuration file will be retained when the device starts up.

228. On the VRP interface, use the command startup saved-configuration backup.cfg to configure the backup.cfg file for the next startup.

True

False

229. Which of the following states is the STP port converted between exist Forward Delay? (Multiple choice)

Forwarding-Disabled

Blocking-Listening

Disabled-Blocking

Listening-Learning

Learning-Forwarding

230. Which of the following parameters should be considered when electing a root port in STP? (Multiple choice)

Duplex mode of the port

Port slot number, such as G0/0/1

Port MAC address

Port priority

the cost of the port reaches the root switch

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231. Which of the following port states does not the RSTP protocol include?

Blocking

Forwarding

Discarding

Learning

232. Which router is the BDR in this network, as shown in the figure below?

Router B

Router A

no BDR

Router C

233. It is known that the routing table of a router has the following two entries:

If the router wants to forward a message with a destination address of 9.1.4.5, which of the following statement is correct?

Select the second item as the best match because Ethernet is faster than Serialo

Select the first item as the best match because the OSPF protocol has a higher priority value.

Select the second item as the best match because the RIP protocol has a lower generation value.

Select the second term as the best match because the route is a more accurate match than the destination address of 9.1.4.5

234. The following is the routing table of router R1. If R1 sends a packet with the destination IP address of 10.0.2.2, which interface does it need to send from?

Ethernet0/0/2

Ethernet0/0/1

Ethernet0/0/0

GigabitEthernet0/0/0

235. When routers are running in the same OSPF area, which of the following description of their LSDB and routing table is correct? (Multiple choice)

The link state database obtained by each router is different.

The routing table of each router is different.

The link state database obtained by all routers is the same

The routing tables obtained by all routers are the same.

236. Which of the following elements are included in the routing table? (Multiple choice)

Interface

Protocol

Destination/Mask

Cost

NextHop

237. The output information of a router routing table is as follows. Which of the following statement is correct? (Multiple choice)

The NextHop of this router reaching 10.0.0.1 is 10.0.21.2.

The NextHop of this router reaching 10.0.2.2 is 10.0.21.2.

The NextHop of this router reaching 10.0.0.1 is 10.0.12.2.

The NextHop of this router reaching 10.0.2.2 is 10.0.12.2.

238. By default, how long is the lease time of the IP address assigned by the DHCP server?

24h

12h

18h

239. The DHCPv6 client must obtain both IPv6 addresses and another configuration information from the DHCPv6 server.

True

False

240. When the network device sends the IPv6 packet, the packet length is compared with the NTU value. If the value is greater than the MTU value, the packet is directly discarded.

True

False

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241. The output information of the router interface is as follows. Which multicast address data can the interface receive? (Multiple choice)

FF02::2

FF02::1: FF12:1

FF02::1: FF6F:4F36

FF02::1

242. Which of the following statement about the IPv6 anycast address is correct? (Multiple choice)

The packet whose destination address is anycast address will be sent to the network interface in the meaning of the route.

Implement load sharing of services

Provide redundancy for services

Anycast address and unicast address use the same address space

243. The MPLS label header is encapsulated between the data link layer header and the network layer header of the message.

True

False

244. When using the Tracert program to test the path through which the target node passes, the default TTL value for Traceroute is measured () times.

245. Which of the following description of the role of the free ARP message is wrong?

Used to advertise the active/standby switchover in the VRRP backup group.

Used to advertise a new current AC address: The sender replaces the NIC and the AC address changes. In order to notify all hosts before the AP entry ages, the sender can send a free AR

Used to check duplicate IP addresses: Normally, no ARP response will be received. If received, it indicates that there is an address in the network that is duplicated with its own IP address.

Free ARP packets are used to keep active with the gateway device when the host is idle.

246. Which of the following statement about the ARP message is wrong?

The ARP reply message is sent by the unicast party.

Any network device needs to obtain the data link layer identifier by sending ARP packets.

ARP request message is sent by broadcast

ARP packets cannot traverse the router and cannot be forwarded to other broadcast domains.

247. If the EUI-64 address 78BC-FEFF-FFFE-EFAB is calculated based on the MAC address, what should its corresponding MAC address be?

7ABC-FEFE-EFAB

78BC-FFFE-EFAB

7ABC-FFFE-EFAB

78BC-FEFE-EFAB

248. Using the command mkdir test in the VRP operating platform, the system will create a folder named test.

True

False

249. When the switch receives a unicast data frame, it will look up the destination MAC address in the MAC table. Which of the following statement is wrong?

If the MAC address is found, and the corresponding port of the MAC address in the MAC address table is not the one that enters the switch, the switch performs the forwarding operation.

If the MAC address is found, and the corresponding port of the MAC address in the MAC address table is the port that the frame enters the switch, the switch performs the discard operation.

If the MAC address is not found, the switch performs the flooding operation.

If the MAC address is not found, the switch performs the discard operation.

250. The default route can be derived from (). (Multiple choice)

Manual configuration

Dynamic routing protocol generation

The router itself has

Link layer protocol generation

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251. Which of the following packets belong to the OSPF protocol? (Multiple choice)

LSU

LSA

LSR

HELLO

252. On the broadcast network, both the DR and the BDR use the multicast address 224.0.0.6 to receive the link status update packet.

True

False

253. As shown in the following figure, all routers run OSPF. Which device is ABR? (Multiple choice)

Router B

Router D

Router C

Router A

254. The output information of a switch is as follows. Which of the following interfaces can forward data frames with a VLAN ID of 40 and does not carry labels when forwarding?

GE0/0/4

GE0/0/2

GE0/0/3

GE0/0/5

255. As shown in the figure, which of the following configuration of the VLAN on the Huawei switch is correct? (Multiple choice)

Client1 belongs to VLAN 10, and the command for dividing VLAN on the switch is correct.

Client2 belongs to VLAN 20, and the command for dividing VLAN based on MAC address on the switch is correct.

Client3 belongs to VLAN 30, and the command for dividing VLAN on the switch is correct.

Client4 belongs to VLAN 40, and the command for dividing VLAN on the switch is correct.

Client4 does not belong to VLAN 40, and the command for dividing VLAN on the switch is incorrect.

256. In the link aggregation technology, which parameters can the Eth-Trunk use to implement load balancing? (Multiple choice)

Same source IP address or destination IP address

Same source port number or destination port number

Same source MAC address or destination MAC address

The same protocol type

257. The Truk port can allow multiple VLANs to pass, including VLAN4096.

True

False

258. As shown in the figure, the administrator wants all hosts to access the Tnternet from 8:00 to 17:00 every day. In the interface configuration of G0/0/1, which ACL rule should be bound to traffic-filter outbound?

time-range am9topm5 08:00 to 17:00 working-day # acl number 2003 rule 5 deny time-range am9topm5 #

time-range am9topm5 08:00 to 17:00 daily # acl number 2002 rule 5 permit time-range am9topm5 #

time-range amgtopm5 08:00 to 17:00 daily # acl number 2001 rule 5 deny time-range am9topm5 #

time-range am9topm5 08:00 to 17:00 off-day # acl number 2004 rule 5 permit time-range am9topm5 #

259. The router output information is as follows. What is the IPv6 address obtained by this interface?

3000::3000/64

3000::1/64

3000::2/64

2000::1/64

260. Which of the following features is no longer supported by OSPFv3 on an IPv6 network?

Router-ID

Multi-regional division

Authentication function

Send protocol packets in multicast mode

Page 27 of 28

261. Which packet is sent by the DHCPv6 client in response to the Advertise packet sent by the DHCPv6 server?

Offer

Request

Advertise

262. The configuration information of a router's DHCPv6 address pool is as follows. If the host adopts DHCPv6 stateful autoconfiguration, which IPv6 addresses can the host obtain? (Multiple choice)

#

dhcpv6 pool test

address prefix 3000::/64

excluded-address 3000::1

dns-server 2000::1

dns-domain-name huawei dns-domain-name huawei.com

#

3000::2/64

3000::1/64

3000::3000/64

2000::1/64

263. Segment Routing (SR) is a protocol for extending the existing IGP protocol, based on the MPLS protocol, using source routing technology to forward data packets on the network.

True

False

264. If the router's Ethernet interface needs to forward a 1600B packet, which of the following statement is correct? (Multiple choice)

The value of the Flags field of the first packet is 1

The first message contains the payload 1480B

The slice offset field value of the second fragmented packet is 1480.

The value of the Flags field of the second packet is 0.

265. There is a TTL field in the header of the IP packet. Which of the following statement about this field is correct?

This field is used to indicate the priority of the packet.

The length of this field is 7 digits.

This field is used for packet anti-ring.

This field is used for packet fragmentation.

266. After the network administrator uses the TracertRoute function on the router device, what is the value of the Protocol field of the IPv4 header in the data packet sent by the router?

267. As shown in the following figure, host C is only required to communicate with one of host A or host B. Then, which command can be configured to implement the requirement under the G0/0/3 port of SWB?

mtu 2000

port link-type trunk

speed 100

mac-limit maximum 1

268. The network administrator finds that a port on the switch has learned the MAC address, but cannot forward the data frame. Which of the following working states is the port in?

Disabled

Blocking

Listening

Learning

269. As shown in the following figure, host A does not have a gateway configured. Host B has a gateway ARP cache. In host A, the command ping 11.0.12.1 is used. Which of the following statement is correct?

The destination MAC address of the data frame sent by Host A is MAC-

The destination IP address of the packet sent by host A is 11.0.12.1.

No packets will be sent from host A

270. In Huawei AR routers, what is the default OSPF priority value?

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271. When configuring a static route on a broadcast interface, you must specify the next hop address.

True

False

272. In the OSPF broadcast network, which routers do the DR other routers exchange link state information with? (Multiple choice)

BDR

All OSPF neighbors

DR Other

273. What is the value of the direct routing protocol priority?

274. The configuration information of the G0/0/1 port of the switch is as follows. Which VLAN data frame does the switch forward not carry the VLAN TAG?

#

interface GigabitEthernet0/0/1

port link-type trunk

port trunk pvid vlan 10

port trunk allow-pass vlan 10 20 30 40

#

275. Referring to the following topology and configuration, routers R1 and R2 are connected through a Serial low-speed cable, and the data link layer encapsulation uses PPP. When the Holdtimes of R1 and R2 are inconsistent, PPP negotiation fails and communication cannot be performed.

True

False

276. PPP is more secure and reliable than HDLC because PPP supports (). (Multiple choice)

SSH

PAP

MD5

CHAP

HCNA H12-211-ENU Free Practice Test

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