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Implementing Cisco Service Provider Advanced Routing Solutions (SPRI) Questions 91–95 (page: 20)

Updated On: 10-Feb-2026

Refer to the exhibit. An engineer applied the configuration on R1 to prevent network 192.168.1.0/24 from being propagated outside of area 5. After the change, users have reported they are not able to access any of the application servers that were working before. While checking the routing table of the peer router, the engineer notices R1 stopped propagating any routes outside area 5. Which action must be taken to fix the problem?

  1. Change the prefix-list action to permit and add an explicit deny statement for network 192.168.1.0/24
  2. Add a permit statement for 0.0.0.0/0 le 32 to the end of the prefix-list to override the implicit deny
  3. Reconfigure the filter-list statement to apply in the inbound direction
  4. Configure an additional filter-list on R1 for inbound traffic to allow external routes into area 5

Answer(s): B



Refer to the exhibit.


R1 is expected to receive routes originating from AS 65516 and from any ASs that are directly attached to it. However, R1 is receiving routes only from AS 65516. Which action corrects the configuration?

  1. Change the regular expression in the AS-path permit filter to .*.
  2. Change the regular expression in the AS-path permit filter to ^65516_[0-9]*$.
  3. Add the regular expression ^$. in the AS-path filter to permit the traffic from R2.
  4. Change the regular expression in the AS-path permit filter to _65516_.

Answer(s): B



Refer to the exhibit.


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?


  1. 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

  2. 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

  3. 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

  4. 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

Answer(s): C



Refer to the exhibit.


An engineer is troubleshooting an OSPF issue. Router 1 has a neighbor relationship withrouter 2. Only router 1 classful EIGRP routes can be seen on router 2. In order for all EIGRP routes to beredistributed correctly, which action should be taken?

  1. Router 1 must have the keyword subnets included in the redistribution command for all EIGRP routes to be redistributed.
  2. Router 1 must remove the AS number 1 from the redistribution command for all EIGRP routes to be redistributed.
  3. Router 1 must have the keyword ospf-metric included in the redistribution command for all EIGRP routes to be redistributed.
  4. Router 1 must have the keyword metric-type 1 included in the redistribution command for all EIGRP routes to be redistributed.

Answer(s): A



Refer to the exhibit.


After troubleshooting BGP traffic steering issue, which action did the network operator take to achieve the correct effect of this configuration?

  1. Routes that have passed through AS 65517 have the local preference set to 150.
  2. Routes that have originated through AS 65517 have the local preference set to 150.
  3. Routes directly attached to AS 65517 have the local preference set to 150.
  4. Routes that have passed through AS 65517 have the local preference set to 150 and the traffic is denied.

Answer(s): A



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