Implementing Cisco Service Provider Advanced Routing Solutions (SPRI) 300-510 Online Free Questions

Posted by: Pdfprep Category: Cisco Online Questions Tags: 300-510 Online Questions Post Date: April 5, 2021

Pdfprep2021-04-01T08:24:25+00:00

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1. What can be used to determine a path from the head-end to a tail-end router when implementing SR-TE with a head-end, with little information on the network topology?

traffic controller

path computation engine

tail-end router

SNMP server

2. Which expression, when used with the as-path-set command, matches the AS path attribute of the route?

neighbor-is

dfa-regtex

ios-regex

Length

3. Refer to the exhibit

Which router does R1 install as an alternate next hop when trying to reach R3 if LFA is enabled?

4. Refer to the exhibit.

While configuring router 2 with all the default values, a network engineer cannot see any route received in router 1.

How should the engineer solve the issue?

Set up a priority different than 0 in the interface.

Modify the router ID to be the interface IP on the serial.

Modify the IP address or mask of the interface to a valid one.

Set the network type in S1/0 to point-to-point.

5. An engineer is working to implement segment routing protocol on the customer's core network.

Which step should the engineer take before the segment routing is enabled and is running with BGP?

Segment routing must be configured with ISI

Segment routing must be configured with EIGR

Explicit-null must be configured for all neighbors.

MPLS must be configured.

6. Refer to the exhibit.

A network operator is working to deploy a Unified BGP design and allow it to be available only in selected markets and services in the future. The label allocation is not functioning as desired.

Which action will fix the issue?

Remove the allocate-labels command.

Reconfigure the route-policy ALL_LABELS to match all after the drop.

Reconfigure the route-policy ALL_LABELS to pass.

Remove the route policy and only configure "allocate-label".

7. What are two differences between OSPF and IS-IS? (Choose two.)

OSPF is a link-state routing protocol, and IS-IS is a distance-vector routing protocol.

OSPF uses a router ID to identify a router, and IS-IS uses a system I

OSPF elects a DR and a BDR, and IS-IS elects a DI

Unlike OSP

IS-IS supports virtual links.

Unlike IS-IS routers, an OSPF router belongs to only one area in addition to the backbone area.

8. What are three requirements for a static IPv6-in-IPv4 tunnel? (Choose three.)

A static IPv6 address must be configured.

A dynamic IPv6 address must be configured.

Cisco Express Forwarding must be enabled.

Each tunnel endpoint must support IPv4 and IPv6.

A static IPv4 address must be configured.

A dynamic IPv4 address must be configured.

9. A network engineer is troubleshooting OSPF multiarea.

Which Cisco IOS XR feature should the engineer use in order to streamline OSPF issue?

hierarchical CLI

routing process enabled by default on all interfaces

DR support for topology management

show lp ospf topology command

10. Refer to the exhibit.

Router 1 is connected to router 2 on interface TenGigE0/1.

Which interface provides the alternate path to 172.16.200.9/32 when the link between router 1 and router 2 goes down?

TenGigE0/1 interface provides the alternate path

A backup path must be statically installed

TenGigE0/2 interface provides the alternate path

A primary path must be manually installed

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11. DRAG DROP

An engineer is troubleshooting end-to-end customer traffic across an MPLS VPN service provider network.

Which tasks should the engineer use to solve the routing issues? Drag and drop the table types from the left onto the most useful troubleshooting tasks/router types on the right. (Not all options are used.)

12. Which cost is the default when redistributing routes from BGP to OSPF?

infinite

automatic

13. What is the characteristic of enabling segment routing for IGPs?

Segment routing must first be enabled under the routing process and then globally.

Segment routing must first be enabled globally and then under the routing process.

Segment routing must be enabled only globally.

Segment routing must be enabled only under the routing process.

14. Refer to the exhibit.

Which statement about this configuration is true?

Router 1 sends and receives multiple best paths from neighbor 192.168.1.1

Router 1 sends up to two paths to neighbor 192.168.1.1 for all routes

Router 1 receives up to two paths from neighbor 192.168.1.1 for all routes in the same AS

Router 1 receives only the best path from neighbor 192.168.1.1

15. Refer to the exhibit.

Which attribute can router 1 alter so that only other iBGP peers prefer to use 192.168.4.2 as the next hop for route 192.168.3.0/24?

MED

local preference

origin

weight

16. Refer to the exhibit.

A network operator is troubleshooting TE tunnels and discovers that the soft preemption is not working as desired.

Where should the soft preemption be applied to solve the issue?

on the tail-end device for tunnel-te1 192.168.0.7

under the tunnel-te1 interface on PE1

explicitly for tunnel-te 1 under the Cisco MPLS TE configuration mode after the timeout setting

Under the interface Loopback0 necessary for this deployment type.

17. You have configured routing policies on a Cisco IOS XR device with routing policy language.

Which two statements about the routing policies are true? (Choose two.)

The routing policies affect BGP-related routes only.

If you make edits to an existing routing policy without pasting the full policy into the CLI, the previous policy is overwritten.

You can change an existing routing policy by editing individual statements.

The routing policies are implemented in a sequential manner.

The routing policies are implemented using route maps.

18. Refer to the exhibit.

Which tree does multicast traffic follow?

shared tree

MDT default

source tree

MDT voice

19. Refer to the exhibits.

A network operator is troubleshooting packet loss seen from the R1 loopback interface to the R2 loopback interface over the core network. The operator is attempting to identify the next leg in the path from PE1.

Which interface and label path should the operator investigate next?

PE1 C Gi0/0/0/3 - forwarding label 24002

PE1 C Gi0/0/0/2 - forwarding label 24002

PE1 C Gi0/0/0/3 - forwarding label 24001

PE1 - Gi0/0/0/2 - forwarding label 24001

20. A network consultant is troubleshooting IS-IS instances to identify why a routing domains is having communication problems between the two instances.

Which description of the possible cause of issues in the routing domain is true?

The same interface cannot be advertised in two different IS-IS instances

The IS-IS “ISP” and “ISP2” instances are unrelated and unable to intercommunicate

The configured IS-IS NSEL value is not allowing the routing systems to establish a neighborship

The interface mode ip router is-is command was not included in the script

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21. Refer to the exhibit.

A network operator is getting the route for 10.11.11 0/24 from two upstream providers on #XR3. The network operator must configure #XR3 to force the 10.11.11.0/24 prefix to route via next hop of 10.0.0.9 as primary when available.

Which of these can the operator use the routing policy language for, to enforce this traffic forwarding path?

weight of 0 on the prefix coming from 192.168.0.2

lower local preference on the prefix coming from 192.168.0.2

higher local preference on the prefix coming from 192.168.0.1

weight of 100 on the prefix coming from 192.168.0.1

22. Refer to the exhibit.

A network operator must inject a Level 1 route from XR2 (10.16.16.0/24) into the ISIS topology.

Which configuration allows the injection in a way that XR3 and XR1 have a valid and working route for 10.16.16.0/24?

A)

Option A

Option B

Option C

Option D

23. Refer to the exhibit.

An engineer is troubleshooting an OSPF issue. Router 1 has a neighbor relationship with router 2. Only router 1 classful EIGRP routes can be seen on router 2.

In order for all EIGRP routes to be redistributed correctly, which action should be taken?

Router 1 must have the keyword subnets included in the redistribution command for all EIGRP routes to be redistributed.

Router 1 must remove the AS number 1 from the redistribution command for all EIGRP routes to be redistributed.

Router 1 must have the keyword ospf-metric included in the redistribution command for all EIGRP routes to be redistributed.

Router 1 must have the keyword metric-type 1 included in the redistribution command for all EIGRP routes to be redistributed.

24. Refer to the exhibit.

R1 is directly connected to R2 and R3. R1 is in BGP AS 123, R2 is in BGP AS 2, and R3 is in BGP AS 3. Assume that there is no connectivity issue between R1, R2 and R1, R3.

Which result between BGP peers R1, R2 and R1, R3 is true?

The BGP session does not come up between R1 and R2 and between R1 and R3.

The BGP session comes up between R1 and R2 and between R1 and R3.

The BGP session comes up between R1 and R3, but not between R1 and R2.

The BGP session comes up between R1 and R2, but not between R1 and R3.

25. Refer to the exhibit.

An engineer is addressing an IS-IS design issue which is running within the topology. All links are running on FastEthernet, except the link between R5 and R4, which is Gigabit Ethernet.

Which statement about the design is true?

R4 prefer to reach R5 using R1 as the next hop

All links have equal cost if the default metric is used

R5 prefers to use R4 as the next hop for all routes

R1 prefer to use R5 as the next hop to reach R4

26. What is used by SR-TE to steer traffic through the network?

shortest path calculated by IGP

dynamic rules

path policy

explicit maps

27. Refer to the exhibit.

A network operator wants to expand the segment routing global block in upcoming maintenance. The operator must ensure that the changes to the segment routing global block have no adverse impacts on the prefix-sid associated with the loopback0 interface used within the OSPF domain.

Which command can the operator use to enforce R2 to have a strict prefix-sid assignment to loopback0?

A)

Option A

Option B

Option C

Option D

28. Which command is used to enable BIDIR-PIM under global configuration mode for Cisco IOS XE Software?

ip pim bidir ip

multicast-routing

ipv4 pim bidir-enable

Ip pim bidlr-enable

29. Refer to the exhibit.

Which LSA type is indicated by this router output?

type 3 LSA

type 4 LSA

type 1 LSA

type 2 LSA

30. Refer to the exhibit.

A service provider technician is working on a multicast issue for a customer. While checking the multicast table, the technician notices that no flags are present for the (1.1.1.1, 239.1.1.1) entry, yet flags are present for the (1.1.1.1, 232.1.1.1) entry.

Which factor might explain this issue?

Only the administratively scoped range is permitted

Only ASM is permitted

Only the default SSM range is permitted

Only GLOP is permitted

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31. DRAG DROP

Compare different features between OSPFv2 and OSPFv3.

Drag and drop the descriptions of OSPF from the left onto the correct OSPF versions on the right.

32. After you change the IP address on an IOS XR router, you cannot ping the new address.

Which step did you forget to complete?

commit the configuration

roll back the configuration

merge the configuration

save the running configuration

Implementing Cisco Service Provider Advanced Routing Solutions (SPRI) 300-510 Online Free Questions

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