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Cisco Implementing Cisco Service Provider Advanced Routing Solutions 300-510 Question # 18 Topic 2 Discussion

Cisco Implementing Cisco Service Provider Advanced Routing Solutions 300-510 Question # 18 Topic 2 Discussion

300-510 Exam Topic 2 Question 18 Discussion:
Question #: 18
Topic #: 2

Refer to the exhibit.

300-510 Question 18

An engineer is troubleshooting IS-IS configuration between two areas. IS-IS Area-A network 30.1.1.0/24 is leaked into IS-IS Area-В. R2 is failing to filter the route updates from network 10.1.1.0/24. Which configuration must the engineer apply to resolve the issue?


A.

R2(config)# ip prefix-list List2 seq 5 deny 10.1.1.0/24

R2(config)# interface fastethernet 0/0

R2(config-if)# ip router isis 100

R2(config-if)# router isis 100

R2(config-router)# distribute-list gateway List2 in


B.

R2(config)# ip prefix-list List1 seq 3 deny 10.1.1.0/24

R2(config)# ip prefix-list List1 seq 5 permit 30.1.1.0/24 ge 25 1e

R2(config)# ip prefix-list List1 seq 10 permit 0.0.0.0/le 32

R2(config)# interface fastethernet 0/0

R2(config-if)# ip router isis 122

R2(config-if)# router isis 122

R2(config-router)# distribute-list prefix List1 in


C.

R1(config)# ip prefix-list List2 seq 5 deny 10.1.1.0/24

R1(config)# interface fastethernet 0/0

R1(config-if)# ip router isis 100

R1(config-if)# router isis 100

R1(config-router)# distribute-list gateway List2 in

R (config-if)# router isis 150

R1(config-router)# distribute-list route-map Map1 in


D.

R2(config)# access-list 101 deny ip any 10.1.1.0 0.0.0.127

R2(config)# access-list 101 permit ip any 30.1.1.0 0.0.0.63

R2(config)# access-list 101 deny ip any 0.0.0.0 0.0.0.0

R2(config)# interface fastethernet 0/0

R2(config-if)# ip router isis 121

R2(config-if)# router isis 121

R2(config-router)# distribute-list 101 in


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