HCIA-Access V2.5 H35-210_V2.5 Questions and Answers

HCIA-Access V2.5 H35-210_V2.5 questions and answers have been cracked, which are the best material for you to test all the related topics: Access Network Overview, Network Communication Basics, xPON and xDSL Principles, Service Implementation Basics, Data Service Implementation, ODN Basics and NMS Basics. Share some Huawei certification H35-210_V2.5 free questions and answers below.

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1. When configuring traffic table for MA5680T, if only CIR is configured and PIR parameters are not specified, what is the PIR value by default?

PIR=CIR

PIR=min(1.5*cir, 10240000)

PIR=min(2*cir, 10240000)

Nothing

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2. Is the following description correct? Computer network card MAC address is IETF Uniformly assigned to each manufacturer, the only one in the world.

True

False

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3. Reset the system.

True

False

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4. For GPON lines, MA5600T/MA5680T supports multiple protection switching methods .

Which protection technology below MA5600T/MA5680T supports simultaneous protection of backbone fiber and branch fiber?

Type A

Type B

Type C

Type D

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5. IPMB is the broadband control board of UA5000 .

What are its main functions?

Used to converge and process broadband services (ADSL, VDSL, SHDSL, LAN)

Forward the VoIP service of the PVM single board, and realize the IP uplink through the FE or GE interface.

Provide broadband switching resources, have dual-system hot backup function, and support active/standby switchover.

Supports multicast services and can provide dedicated multicast channels.

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6. What are the alarm levels of U2000?

Fatal

Urgent

Important

Secondary

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7. In the UA5000 chassis with PVM as the main control board, which statement about the user board is correct?

Automatic discovery

Must be added manually

If it is an A32 board, it needs to be added manually, if it is an ASL board, it is automatically discovered

If it is an ASL board, it needs to be added manually, if it is an A32 board, it is automatically discovered

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8. OneVLANWhat kind of domain can it be regarded as?

Conflict domain

Broadcast domain

Management domain

Physical area

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9. The Ethernet switch works in OSI

Which layer of the reference model?

Physical layer

data link layer

Network layer

Transport layer

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10. When you need to maintain and manage the MA5600T/MA5603T equipment locally, you can log in to the system through the local serial port .

Which interface is the RS-232 serial cable RJ-45 network port connector connected to?

The network port of the maintenance PC

"CON" port on the main control board

"ETH" port on the main control board

"ESC" port on the main control board

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11. What are the bandwidth types of DBA in GPON network?

Fix

Max

Assure

Non-assure

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12. Which of the following encoding formats belong to the H248 protocol that can be used?

Text format

Binary format

ASCII format

HDB3 encoding

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13. What are the operations that need to be performed when adding ONT to MA5680T?

Configure DBA template

Configure the ONT line profile

Configure ONT service template

Add ONT and bind related templates

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14. After the hardware installation is completed, what checks are required?

The appearance of the cabinet is clean, without deformation, paint peeling and rust

There is no debris in the cabinet, and the screws should be tightened. The parts in the cabinet must not rust. Dust filter installed

The power cord is connected correctly and the cabinet should be grounded

The cabinet door, side baffle plate and the main body are connected with ground wire, and the cabinet door opens and closes smoothly.

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15. Regarding the MA5600T main control board running status indicator (RUN ALM), which of the following states indicates that the board is operating normally?

Green 1s on and 1s off periodically flashing indicates that the board is operating normally

Green 0.5s on and 0.5s off periodically flashing

Green 0.25s on and 0.25s off periodically flashing

Bright green

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16. Is the following description correct? In EPON, when the fiber length under the PON port is 10KM, the recommended splitting ratio is 1:32; when the fiber length is 20KM, the recommended splitting ratio is 1:16.

True

False

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17. Passive optical network (PON) is a single-fiber bidirectional optical access network with what structure?

Chain type

Ring type

Tree type

Mesh type

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18. What may be included in the patch file of the current access network MA5600T?

HP Temporary Hot Patch

SPH host hot patch

HPYxxx single board software package

Main software package of the main control board

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19. Is the following description correct? Set the TCONT type bound to the IPTV service of a certain ONT to Type2 and a bandwidth of 20M, then the maximum IPTV service cannot exceed 20M.

True

False

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20. What is the next-generation development prospect of the access network?

expand PSTN Applications

Increase in ADSL Type of business transmitted on

Light advances and retreats

Promote ADSL Transmission distance, increase coverage radius

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21. Which of the following modules is not a functional module of the MA5600 SCU main control board?

CPU module

Ethernet switch module

Clock module

Separator module

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22. What are the fiber types connected to the MA5680T GPBD port?

LC/PC

FC/PC

SC/PC

LC/APC

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23. Is the following description correct? PVM manages and controls the business single board in the UA5000 chassis, and can also send tones and collect numbers to realize the V5 protocol and H248/MGCP protocol processing.

True

False

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24. Compared with the template mode, when the MA5600T configures FTTH services in a simplified manner, which of the following steps does not require configuration?

Configure traffic template

Configure the DBA template

Configure the line template

Configure business templates

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25. Is the following description correct? The devices in the ODN network need power supply to work.

True

False

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26. Is the following description correct? MxU automatic upgrade strategy, that is, when the device is powered on, the current version of the device is automatically compared with the target version of the strategy. If it is inconsistent, the device software version is automatically upgraded to the target version.

True

False

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27. Regarding the difference between GPON and EPON, which of the following statements is correct?

Both GPON and EPON use single-fiber bidirectional data transmission. EPON uses 1490nm downstream wavelength to transmit data, and GPON uses 1550nm downstream wavelength to transmit data.

The GPON protocol standard was proposed by IEEE, and the EPON protocol standard was proposed by ITU-T

GPON uses the extended OAM protocol to manage ONUs

GPON provides higher downstream bandwidth

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28. During the configuration of the EPON PPPoE service, what templates need to be configured to increase the MDU?

System parameter template

Traffic template

Route template

DBA template

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29. If there are multiple set-top boxes under an ONT (for example: HG850) watching a multicast program at the same time, which of the following functions can be enabled on the OLT for the ONT multicast user to ensure that when one set-top box switches channels, other set-top boxes.

The programs you watch are not affected?

prejoin

preview

Fast departure based on MAC

immediate leave

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30. What is the maximum transmission distance of SHDSL?

1.5KM

6KM

10KM

20KM

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31. Is the following description correct? MA5600T can support multiple broadband access services such as ADSL2+, SHDSL and VDSL2.

True

False

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32. Which of the following descriptions about PPPoE is incorrect?

PADT can be issued by the PC or BRAS at any time during the discovery phase to terminate the PPPoE dialogue

The destination address of PADI is the broadcast address 0xffffffff, and the source address is the Ethernet address of the host

The entire discovery phase of PPPoE includes PADI, PADO, PADR, PADS, PADT

SESSION-ID identifies the value of a PPPOE session

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33. Which of the following symbols are used to represent all terminals in the H.248 protocol?

"*"

"$"

"-"

"root"

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34. When other SNMP parameters are configured correctly, how to configure the trap source address of the device to ensure that the network manager can receive device alarms normally?

The trap source address is set to 127.0.0.1

The trap source address is set to the loopback address

The trap source address is set to the address used by the network manager to add the device

All of the above.

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35. What are the incorrect statements about Type B protection for GPON networks?

Protection based on PON port and backbone fiber

Service configuration data only needs to be configured to the main port, no need to configure two copies

Support OLT inter-board and intra-board port combination protection pair

Switching trigger conditions: 1) branch fiber failure, 2) OLT single board failure, 3) component failure

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36. When the MA5600T/MA5603T equipment needs to be maintained and managed locally, the baud rate setting of the maintenance terminal's HyperTerminal must be consistent with the serial port baud rate parameters of the MA5600T/MA5603T system .

What is the system default serial port baud rate?

9600bit/s

19200bit/s

38400bit/s

115200bit/s

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37. UA5000 If PVM and IPM are networked together and provide voice services and broadband services at the same time, the voice services are transmitted to IPM through the internal IP channel, and then transmitted to the upper network by the uplink interface of the IPM board, then the voice service of PVM is uplinked Which mode should be set?

LAN

ALONE

WAN

Integrated

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38. When performing FTTx networking and data planning, user security needs to be considered .

Which of the following measures can prevent attacks between users?

Use anti-mac to solve

Defense IP spoofing

Layer 2 isolation and controlled mutual access of users

Use port physical information to identify users

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39. Is the following description correct? EPON data packets are variable length. The GPON downstream frame is of fixed length.

True

False

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40. Is the following description correct? The speed standards of Fast Ethernet are100Base-TX,100Base-T4with100Base-FX.

True

False

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41. What technology does the GPON system use to provide the original CATV service?

WDM

Serdes

TDMA

Multicast

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42. What are the application scenarios of GPON?

FTTH

FTTB

FTTC

FTTM

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43. Is the following description correct? MA5600 uses the service-port command to create an xDSL service stream. The service stream is divided into single service and multi-service. If single-service is selected or multi-service is not entered, the default is single service.

True

False

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44. In the H.248 protocol, the terminal can be programmed to detect events. Once these events are detected, the MG will send a report to the MGC or the MG will take corresponding actions.

Modify

ServiceChange

Notify

AuditCapabilities

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45. Which of the following parameters are required to set up a network management workstation?

IP address

Name

Group name

Routing

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46. Among the access technologies of the access network, which of the following access methods can provide the largest access bandwidth?

ADSL

ADSL 2+

VDSL

GPON

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47. What is the correct correspondence between IP address and MAC address in a broadcast domain?

One IP address can correspond to multiple MAC addresses

One MAC address can only correspond to one IP address

One MAC address can correspond to multiple IP addresses

None of the above

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48. VLAN division includes which of the following methods?

Based on port

Based on MAC address

Based on agreement

Based on physical location

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49. HG8245 product can be used in which of the following scenarios?

Outdoor type

Home user type

SBU business user type

MINI-DSLAM

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50. Which of the following statements about GPON is incorrect?

Each GPON port supports a split ratio of 1:64, which can provide 64 ONT access.

There can be multiple T-CONTs on each ONU, and multiple GEMPORTs can be bound to each TCON

T-CONT is equivalent to a physical cache, and the rate can be limited only if it is bound to a DBA template.

ONU ID must be unique on the OLT

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51. What is the rated working voltage of the MA5600 equipment?

-24

-36

-48

-72

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52. Which is the correct order of the loss size of the optical fiber connection point?

Active connection> cold connection> welding

Active connection> fusion splicing> cold splicing

Welding>Cold Splicing>Activity Connection

Cold connection>Activity connection>Welding

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53. What are the categories of acceptance test items in the MA5600T/MA5680T acceptance test manual?

Basic package

Premium package

Expansion Pack A

Expansion Pack B

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54. Regarding the ADSL rate limit in the UA5000, which of the following statements is incorrect?

ADSL rate limit can use port rate limit or PVC rate limit.

Set the PVC UPC switch to ON when using port speed limit.

Set the PVC UPC switch to ON when using PVC speed limit.

Port speed limit is to limit the flow through the maximum uplink and downlink speed set when the line template is configured.

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55. Is the following description correct? The VDSL2 standard specifies a frequency band division of up to 30MHz, which can realize 100Mbit/s high-speed data transmission in a symmetrical uplink and downlink within a short distance.

True

False

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56. How many message commands does H.248 protocol have in total?

5

8

9

13

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57. In the GPON network, which of the following is the role of DBA?

It can improve the uplink bandwidth utilization of the PON port

It can improve the bandwidth utilization of the downstream line of the PON port

More ONUs can be added to the PON port

Increased the upstream bandwidth of the PON port

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58. Is the following description correct? When upgrading the version, use the database upgrade tool to upgrade the dat file to the higher version, and you can also use the upgrade tool to reduce the dat file of the higher version to the lower version.

True

False

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59. Which of the following is the correct configuration process for EPON ONT to go online automatically?

Configure ONT―>Configure EPON UNI port―>Configure optical port of EPON UNI port―>Confirm the automatically discovered EPON ONT

Configure EPON UNI port―>Configure ONT―>Configure the optical port of EPON UNI port―>Confirm the automatically discovered EPON ONT

Configure EPON UNI port―>Configure the optical port of EPON UNI port―>Configure ONT―>Confirm the automatically discovered EPON ONT

Configure ONT―>Configure the optical port of the EPON UNI port―>Configure the EPON UNI port―>Confirm the auto-discovered EPON ONT

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60. In the Solaris vi editor, how to abandon the edited file and exit vi?

:quit!

:q

:exit

:q!

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61. What does the long ONT PON indicator light mean?

ONT tries to establish a connection with the OLT

ONT receiving optical power is lower than optical receiving sensitivity

ONT and OLT have established a connection

ONT light is abnormal

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62. 10BASE-TRefers to which medium is defined?

Thick coaxial cable

Thin coaxial cable

Twisted pair

optical fiber

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63. What is the smallest constituent unit in the message constituent mechanism of the H248 protocol?

message

transaction

Associated context

command

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64. What are the correct descriptions of VLAN in MA5600?

The type of sub-vlan can be smart-vlan or mux-vlan

Standard VLAN can include standard Ethernet ports and service virtual ports

A mux-vlan can only contain one uplink port and service virtual port

A smart-vlan can contain multiple uplink ports and service virtual ports

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65. In a GPON network, which of the following options must be bound to the MA5680T DBA template to take effect?

Tcont

Gemport

PON port

service-port

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66. CORRECT TEXT

Is the following description correct? When the ONT is offline, the MA5600T/MA5680T can perform ONT PPPoE simulation test operations.

True

False

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67. Which of the following statements about 802.1Q is incorrect?

The value of TPID in the 802.1Q Ethernet frame structure is 8100

Theoretically, the value range of VLAN ID is 0~4095

There are only 4 VLAN priorities in the 802.1Q Ethernet frame structure

802.1Q Ethernet frame is 4 bytes more than ordinary Ethernet frame

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68. Is the following description correct? In the EPON network, the gemport is used to carry the service flow.

True

False

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69. Is the following description correct? The relationship between the transmission rate of ADSL and the transmission distance is: the longer the transmission distance, the greater the attenuation, the lower the transmission rate, and the relationship between the transmission distance and the attenuation is not linear.

True

False

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70. In the UA5000 system, which command can be used to view the progress during data backup and loading?

display progress

display backup

display load

display tftp

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71. Which of the following belongs to the management protocol between the OLT and MXU in the GPON network?

IGMP

OAM

SNMP

DHCP

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72. Is the following description correct? When the MA5680T is configured with multicast services, the unicast VLAN carrying the multicast services must be consistent with the multicast VLAN.

True

False

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73. Which of the following slots can the TSSB board of UA5000 high-density be inserted in?

4, 5

6, 7

16

17

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74. Is the following description correct? LAN The transmission form is generally bus-based, and the most commonly used corresponding protocols are carrier sensing and collision detection CSMA/CD protocol.

True

False

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75. Is the following description correct? In the GPON network, in order to avoid data conflicts and improve network utilization efficiency, the downstream direction adopts TDMA multiple access mode and arbitrates the data transmission of each ONU.

True

False

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76. Which of the following is not part of the FTTH ODN network?

Splitter

ODF

Fiber distribution box (FAT)

ONU

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77. In the MA5600, which of the following boards does not support the "board reset" operation?

VEDA

SHEA

SCU

ADEF

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78. Which of the following is not a common type of optical fiber connector?

SC

PLC

FC

LC

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79. What is the number of ADSL2+ subbands?

256

512

128

384

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80. What is the attenuation of the 1:2 splitter?

5db

8db

3db

13db

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81. In the Solaris 10 operating system, when only ordinary users can ftp to the network management server, which file should be modified so that the root user can also remotely ftp to the server?

/etc/ftpusers

/etc/services

/etc/system

/etc/defaultrouter

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82. VLAN conversion on the user side is generally performed on the MA5680T service board .

What are the methods for VLAN conversion?

transparent

translate

add-double

translate-and-transparent

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83. Which of the following isql login database commands is correct?

isql -Usa_password -Ssa -PN2000DBServer

isql -Usa -Ssa_password -SN2000DBServer

isql -Usa -PN2000DBServer -Ssa_password

isql -Usa -Psa_password -SN2000DBServer

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84. Is the following description correct? ONT loading on MA5600T/MA5680T GPBC/GPBD is parallel on-board, and supports parallel loading of 256 ONTs at the same time.

True

False

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85. Regarding the use of ADSL interleaving mode, which of the following statements is correct?

Increased stability and long delay

Increased stability and short delay

Poor stability and long delay

Poor stability and short delay

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86. Which control frame messages are defined by MPCP?

GATE

REPORT

REGISTER

REGISTER ACK

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87. What is not included in the uplink mode of MA5616?

GPON

FE

EPON

GE

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88. When the MA5600T configures the multicast service, which of the following options must be configured, otherwise the multicast program may not be able to be viewed?

igmp user

igmp program

igmp profile

Multicast VLAN

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89. In the template mode of MA5680T, where is the configuration of tcont and gemport integrated?

ont-srvprofile

ont-lineprofile

ont-profile

dba-profile

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90. Which of the following does not belong to the VLAN type supported by MA5600T/MA5680T?

Stardard VLAN

Smart VLAN

Sub VLAN

MUX VLAN

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91. In GPON network, which of the following reasons may cause ONU to fail to go online?

The optical power received by the ONU is greater than the overload optical power.

The optical power received by the ONU is less than the sensitivity value

There is abnormal attenuation on the ODN line.

The ODN line is too long and exceeds the online distance set by the system.

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92. Which of the following descriptions of MUX vlan characteristics is correct?

There are two types of ports: uplink port and service virtual port

A MUX VLAN can contain multiple uplink ports and multiple service virtual ports

Layer 2 interworking between different MUX VLANs

MUX VLAN is mainly used for community access.

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93. In the GPON system, what bandwidth types does type1 in the Tcont type include?

Fixed bandwidth

Guaranteed bandwidth

Best effort

Non-guaranteed bandwidth

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94. Regarding the description of UA5000, which of the following statements is wrong?

UA5000 adopts the same hardware platform and supports the integration of PSTN, NGN, IMS and FTTx.

UA5000 supports various traditional private line services under TDM/PST

UA5000 supports ADSL2+ service access.

The UA5000 does not support VDSL2 service access temporarily.

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95. According to the ITU-T G.984.x series of standards, what are the upstream and downstream bandwidths of GPON?

2.5Gbps/2.5Gbps

1.25Gbps/2.5Gbps

1.25Gbps/1.25Gbps

2.5Gbps/1.25Gbps

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96. Which of the following products does not belong to MDU?

MA5616

MA5612

MA5620G

MA5600T

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97. Which of the following is not part of the PON network system?

OLT

OAM

ODN

ONU

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98. Which of the following boards does not belong to the narrowband service board of the UA5000?

A32

A64

DSLD

ADRI

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99. According to the H.248 protocol, what is the type of terminal occupied when the telephone terminal is off-hook?

Semi-permanent terminal

Persistent Terminal

Permanent terminal

Temporary terminal

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100. In the MA5600 software system, which VLAN can only add Ethernet ports?

Standard VLAN

Smart VLAN

Mux VLAN

Super VLAN

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101. When MA5600T is newly launched and connected to the network management system, which of the following descriptions are correct?

The interface IP address of the MA5600T used for management must be in the same network segment as the network management IP address

The configuration of the SNMP version should be the same as the configuration on the U2000 side

The configuration of read community name and write community name is the same as that on the network management side.

Add a static route, the destination address is the network segment where the network management IP is located

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102. Is the following description correct? MAS Address by48bitComposition, usually with12Bit16Hexadecimal representation, before6Bit16Base numbers are represented by IEEE Responsible for unified distribution, used to determine the uniqueness of the manufacturer, and later6Bit16The hexadecimal numbers are managed by each manufacturer.

True

False

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103. What type of optical module does Huawei GPON network mainly use?

CLASS A

CLASS B+

CLASS B

CLASS C

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104. Is the following description correct? The ADSL port can only allow further operations on the port after unblocking the port.

True

False

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105. When adding on-lineprofile to MA5680T, what needs to be configured?

Configure the vlan of the ONT ETH port

Add DBA template

Binding tcont and DBA template

Add gemport, configure gemport mapping relationship

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106. Is the following description correct? The MA5600T SCUN board provides 1 maintenance network port, 1 serial port, 1 environmental monitoring port, and 8 GE ports.

True

False

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107. Is the following description correct? The goal of ATM, that is, the biggest feature of ATM, is to achieve the best network resource utilization for any form of business distribution. To achieve this goal, statistical multiplexing of network resources is necessary.

True

False

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108. According to the IEEE 802.1Q standard, where is the VLAN identification field in the Ethernet frame?

Before source MAC address and destination MAC address

Between the source MAC address and the destination MAC address

After the source MAC address and destination MAC address

Not fixed

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109. Which two UDP port numbers are defined by H.248 protocol by default?

2943

2944

2945

2946

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110. In the EPON network, what are the management protocols running between the OLT and the ONT?

OMCI

SNMP

OAM

IGMP

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111. In the GPON network, which of the following statements is incorrect?

Each T-CONT is composed of one or more GEM Ports, and each GEM Port carries a service flow. A T-CONT can carry data streams of one or more types of services.

Each GEM Port is identified by a unique Port-I

The Port-ID ranges from 0 to 4095 and is globally assigned by the OL

That is, each ONU/ONT under the OLT cannot use GEMs with repeated Port-IDs. Port.

GEM Port identifies the service virtual channel between the OLT and ONU/ONT, that is, the channel that carries the service flow, similar to the VPI/VCI identification in the ATM virtual connection.

Each GPON port supports up to 32 ONU/ONT

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112. Regarding the ATM network, which one of the following descriptions is wrong?

Support fixed-length exchange

Working in the network layer of the OSI model

Reduce the processing time of intermediate nodes and support high-speed transmission

Can guarantee the quality of service performance index (QOS) of various businesses

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113. In the H.248 protocol, how to apply for gateway registration?

Send MOD_REQ from MG to MGC

Send MOD_REQ from MGC to MG

Send SVC_CHG_REQ from MG to MGC

Send SVC_CHG_REQ from MGC to MG

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114. What are the northbound interface types provided by U2000 to the network management layer?

XML northbound interface

CORBA northbound interface

SNMP alarm northbound interface

TL1 northbound interface

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115. MA5600T/MA5680T GE/FE optical interface board H802OPGD provides Ethernet optical access function .

How many GE/FE P2P accesses can be supported at most?

8

16

32

48

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116. Which of the following is the main control board of the UA5000 high-density system?

IPMB

PVMB

TSSB

PWX

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117. Regarding multicast and IPTV, which of the following statements is incorrect?

Multicast refers to the form of point-to-multipoint communication in the network

The core of multicast technology is to place the message copy work as close as possible to the receiver to complete it, reducing the data traffic on the network.

Through the introduction of controlled multicast, the management and control of multicast users are completed on the DSLAM equipment,

IPTV is a way of video on demand

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118. In the EPON network, what management and maintenance channel does the OLT use to configure and maintain terminal equipment?

OAM

DHCP

OMCI

SNMP

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119. Is the following description correct? It is impossible for a route in the routing table to have a mask of0.0.0.0Routing items.

True

False

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120. What are the following commands that belong to the H.248 protocol?

Ringing

Subtract

Notify

Move

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