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Free 300-410 Exam Braindumps
Implementing Cisco Enterprise Advanced Routing and Services (ENARSI) Questions 65–72 (page: 10)

Updated On: 9-Jul-2026
Page 10 of 81
PDF with 640 Questions

Refer to the exhibit.



A network administrator reviews the branch router console log to troubleshoot the OSPF adjacency issue with the DR router.

Which action resolves this issue?

  1. Stabilize the DR site flapping link to establish OSPF adjacency.
  2. Advertise the branch WAN interface matching subnet for the DR site.
  3. Configure the WAN interface for DR site in the related OSPF area.
  4. Configure matching hello and dead intervals between sites.

Answer(s): D


Reference:

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



Refer to the exhibit.



When the FastEthernet0/1 goes down, the route to 172.29.0.0/16 via 192.168.253.2 is not installed in the RIB. Which action resolves the issue?

  1. Configure feasible distance greater than the reported distance.
  2. Configure feasible distance greater than the successor's feasible distance.
  3. Configure reported distance greater than the successor's feasible distance.
  4. Configure reported distance greater than the feasible distance.

Answer(s): A


Reference:

https://www.practicalnetworking.net/stand-alone/eigrp-feasibility-condition/



Refer to the exhibit.




AS111 is receiving its own routes from AS200 causing a loop in the network.

Which configuration provides loop prevention?


  1. routerbgp 111
    neighbor 195.1.1.1 as-override
    no neighbor 195.1.2.2 allowas-in

  2. routerbgp 111
    no neighbor 195.1.1.1 allowas-in
    no neighbor 195.1.2.2 allowas-in

  3. routerbgp 111
    neighbor 195.1.2.2 as-override
    no neighbor 195.1.1.1 allowas-in

  4. routerbgp 111
    neighbor 195.1.1.1 as-override
    neighbor 195.1.2.2 as-override

Answer(s): B



Refer to the exhibit.


AS65510 iBGP is configured for directly connected neighbors. R4 cannot ping or traceroute network 192.168.100.0/24.

Which action resolves this issue?

  1. Configure R1 as a route reflector server and configure R2 and R3 as route reflector clients.
  2. Configure R4 as a route reflector server and configure R2 and R3 as route reflector clients.
  3. Configure R4 as a route reflector server and configure R1 as a route reflector client.
  4. Configure R1 as a route reflector server and configure R4 as a route reflector client.

Answer(s): D



Users report issues with reachability between areas as soon as an engineer configured summary routes between areas in a multiple area OSPF autonomous system.

Which action resolves the issue?

  1. Configure the area range command on the ASBR.
  2. Configure the summary-address command on the ASBR.
  3. Configure the summary-address command on the ABR.
  4. Configure the area range command on the ABR.

Answer(s): D



Refer to the exhibit.



Which set of commands restore reachability to loopback0?


  1. interface loopback0
    ip address 4.4.4.4 255.255.255.0
    ipospf network point-to-point

  2. interface loopback0
    ip address 4.4.4.4 255.255.255.0
    ipospf interface area 10

  3. interface loopback0
    ip address 4.4.4.4 255. 255.255.0
    ipospf network broadcast

  4. interface loopback0
    ip address 4.4.4.4 255. 255.255.0
    ipospf interface type network

Answer(s): A


Reference:

https://networkengineering.stackexchange.com/questions/13099/why-do-we-use-ospf-point-to-point-networks-for-loopbacks



AS 111 wanted to use AS 200 as the preferred path for 172.20.5.0/24 and AS 100 as the backup. After the configuration, AS 100 is not used for any other routes.





Which configuration resolves the issue?


  1. route-map SETLP permit 10
    matchip address prefix-list PLIST1
    set local-preference 99
    route-map SETLP permit 20

  2. routerbgp 111
    no neighbor 192. 168.10.1 route-map SETLP in
    neighbor 192.168.20.2 route-map SETLP in

  3. route-map SETLP permit 10
    matchip address prefix-list PLIST1
    set local-preference 110
    route-map SETLP permit 20

  4. routerbgp 111
    no neighbor 192. 168.10.1 route-map SETLP in
    neighbor 192.168.10.1 route-map SETLP out

Answer(s): A

Explanation:

There is an implicit deny all at the end of any route-map so all other traffic that does not match 172.20.5.0/24 would be dropped. Therefore, we have to add a permit sequence at the end of the route-map to allow other traffic.
The default value of Local Preference is 100 and higher value is preferred so we have to set the local preference of AS100 lower than that of AS200.



Refer to the exhibit. The ISP router is fully configured for customer A and customer B using the VRF-Lite feature.


What is the minimum configuration required for customer A to communicate between routers A1 and A2?


  1. A1
    interface fa0/0
    description To->ISP
    ip add 172.31.100.1 255.255.255.0
    no shut
    !
    routerospf 100
    net 172.31.100.1 0.0.0.255 area 0

    A2
    interface fa0/0
    description To->ISP
    ip add 172.31.200.1 255.255.255.0
    no shut
    !
    routerospf 100
    net 172.31.200.1 0.0.0.255 area 0

  2. A1
    interface fa0/0
    description To->ISP
    ipvrf forwarding A
    ip add 172.31.100.1 255.255.255.0
    no shut
    !
    routerospf 100 vrf A
    net 172.31.200.1 0.0.0.255 area 0

    A2
    interface fa0/0
    description To->ISP
    ipvrf forwarding A
    ip add 172.31.100.1 255.255.255.0
    no shut
    !
    routerospf 100 vrf A
    net 172.31.200.1 0.0.0.255 area 0

  3. A1
    interface fa0/0
    description To->ISP
    ipvrf forwarding A
    ip add 172.31.100.1 255.255.255.0
    no shut
    !
    routerospf 100
    net 172.31.100.1 0.0.0.255 area 0

    A2
    interface fa0/0
    description To->ISP
    ipvrf forwarding A
    ip add 172.31.200.1 255.255.255.0
    no shut
    !
    routerospf 100
    net 172.31.200.1 0.0.0.255 area 0

  4. A1
    interface fa0/0
    description To->ISP
    ip add 172.31.200.1 255.255.255.0
    no shut
    !
    routerospf 100
    net 172.31.200.1 0.0.0.255 area 0

    A2
    interface fa0/0
    description To->ISP
    ip add 172.31.100.1 255.255.255.0
    no shut
    !
    routerospf 100
    net 172.31.100.1 0.0.0.255 area 0

Answer(s): A



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