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Cisco 300-510 問題練習

Implementing Cisco Service Provider Advanced Routing Solutions (SPRI) 試験

最新更新時間: 2021/01/10,合計30問。

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Question No : 1
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?

正解:

Question No : 2
Refer to the exhibit.



XR1 and XR2 are sending the prefix 10.11.11.0/24 to XR3. A configured policy on
XR1 is incorrectly prepending AS path 11 11 12 12 onto this prefix. A network operator wants to add a policy onto XR3 that will not allow the falsely prepending prefix from being installed.
Which policy configuration applied to the XR3 neighbor configuration for XR1 can accomplish this requirement without impact to other or future received routes?
A)



B)



C)



D)



正解:
Explanation:
Reference: https://www.cisco.com/c/en/us/td/docs/routers/crs/software/crs_r4-1/routing/command/ reference/b_routing_cr41crs/b_routing_cr41crs_chapter_01000.html#wp3850885229

Question No : 3
Which task is performed when troubleshooting LDP?

正解:

Question No : 4
Which statement about enabling segment routing for IGPs is true?

正解:
Explanation:
Reference: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/seg_routing/configuration/xe-16-6/segrt-xe­16-6-book/sr-ospfv2-node-sid.html

Question No : 5
Refer to the exhibit.



Which LSA type is indicated by this router output?

正解:

Question No : 6
For which reason can two devices fail to establish an OSPF neighbor relationship?

正解:
Explanation:
Reference: https://www.cisco.com/c/en/us/support/docs/ip/open-shortest-path-first-ospf/13699-29.html

Question No : 7
What is used by SR-TE to steer traffic through the network?

正解:
Explanation:
Reference: https://www.cisco.com/c/en/us/td/docs/routers/asr9000/software/segment-routing/configuration/ guide/b-seg-routing-cg-asr9k/b-seg-routing-cg-asr9k_chapter_0100.html

Question No : 8
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?

正解:
Explanation:
Reference: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_isis/configuration/xe-3s/irs-xe-3s­book/irs-instance-vrf.html

Question No : 9
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.



正解:

Question No : 10
Refer to the exhibit.



After troubleshooting an OSPF adjacency issue, routers 1, 2, and 3 have formed OSPF neighbor relationships.
Which statement about the configuration is true?

正解:

Question No : 11
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?

正解:

Question No : 12
Refer to the exhibit.



A network operator is working to filter routes from being advertised that are covered under an aggregate announcement. The receiving router of the aggregate announcement block is still getting some of the more specific routes plus the aggregate.
Which configuration change ensures that only the aggregate is announced now and in the future if other networks are to be added?

正解:

Question No : 13
Refer to the exhibit.



Which effect of this configuration is true?

正解:
Explanation:
Reference: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_bgp/command/irg-cr-book/bgp­s1.html#wp1552800140

Question No : 14
Refer to the exhibit.



After you applied these configurations to routers R1 and R2, the two devices could not form a neighbor relationship.
Which reason for the problem is the most likely?

正解:

Question No : 15
Refer to the exhibit.



Which tree does multicast traffic follow?

正解:

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