Cisco 300-410 Exam Actual Questions
Implementing Cisco Enterprise Advanced Routing and Services (ENARSI) (Page 6 )

Updated On: 23-Jul-2026

Refer to the exhibit. A network administrator redistributed the default static route into OSPF toward all internal routers to reach to Internet.


Which set of commands restores reachability to the Internet by internal routers?

  1. router ospf 1
    redistribute static subnets
  2. router ospf 1
    network 0.0.0.0 0.0.0.0 area 0
  3. router ospf 1
    redistribute connected 0.0.0.0
  4. router ospf 1
    default-information originate

Answer(s): D



Refer to the exhibit. The Math and Science departments connect through the corporate IT router, but users in the Math department must not be able to reach the Science department and vice versa.


Which configuration accomplishes this task?


  1. vrf definition Science
    address-family ipv4
    !
    interface E 0/2
    ip address 192.168.1.1 255.255.255.0
    no shut
    !
    interface E 0/3
    ip address 192.168.2.1 255.255.255.0
    no shut

  2. vrf definition Science
    address-family ipv4
    !
    interface E 0/2
    vrf forwarding Science
    ip address 192.168.1.1 255.255.255.0
    no shut
    !
    interface E 0/3
    vrf forwarding Science
    ip address 192.168.2.1 255.255.255.0
    no shut

  3. vrf definition Science
    address-family ipv4
    !
    interface E 0/2
    ip address 192.168.1.1 255.255.255.0
    vrf forwarding Science
    no shut
    !
    interface E 0/3
    ip address 192.168.2.1 255.255.255.0
    vrf forwarding Science
    no shut

  4. vrf definition Science
    !
    interface E 0/2
    ip address 192.168.1.1 255.255.255.0
    no shut
    !
    interface E 0/3
    ip address 192.168.2.1 255.255.255.0
    no shut

Answer(s): B



Refer to the exhibit. The neighbor relationship is not coming up.


Which two configurations bring the adjacency up? (Choose two.)


  1. LA
    interface E 0/0
    ipospf authentication-key Cisco123

  2. NY
    interface E 0/0
    noipospf message-digest-key 1 md5 Cisco123
    ipospf authentication-key Cisco123

  3. LA
    interface E 0/0
    ipospf message-digest-key 1 md5 Cisco123

  4. LA
    routerospf 1
    area 0 authentication message-digest

  5. NY
    routerospf 1
    area 0 authentication message-digest

Answer(s): C,D



Refer to the exhibit. The network administrator configured redistribution on an ASBR to reach to all WAN networks but failed.



Which action resolves the issue?

  1. The route map EIGRP->OSPF must have the 10.0.106.0/24 entry to exist in one of the three prefix lists to pass
  2. EIGRP must redistribute the 10.0.106.0/24 route instead of using the network statement
  3. The OSPF process must have a metric when redistributing prefixes from EIGRP
  4. The route map must have the keyword prefix-list to evaluate the prefix list entries

Answer(s): D



Refer to the exhibit. An engineer configured R2 and R5 as route reflectors and noticed that not all routes are sent to R1 to advertise to the eBGP peers.



Which iBGP routers must be configured as route reflectors to advertise all routes to restore reachability across all networks?

  1. R1 and R4
  2. R1 and R5
  3. R4 and R5
  4. R2 and R5

Answer(s): C



Refer to the exhibits. SanFrancisco and Boston routers are choosing slower links to reach each other despite the direct links being up.




Which configuration fixes the issue?


  1. All Routers

    routerospf 1
    auto-cost reference-bandwidth 100

  2. SanFrancisco Router

    routerospf 1
    auto-cost reference-bandwidth 1000

  3. Boston Router

    routerospf 1
    auto-cost reference-bandwidth 1000

  4. All Routers

    routerospf 1
    auto-cost reference-bandwidth 1000

Answer(s): D



Refer to the exhibit. Troubleshoot and ensure that branch В only ever uses the MPLS В network to reach HQ.


Which action achieves this requirement?

  1. Introduce AS path prepending on the branch A MPLS В network connection so that any HQ advertisements from branch A toward the MPLS В network are prepended three times
  2. Modify the weight of all HQ prefixes received at branch В from the MPLS В network to be higher than the weights used on the MPLS A network
  3. Increase the local preference for all HQ prefixes received at branch В from the MPLS В network to be higher than the local preferences used on the MPLS A network
  4. Introduce an AS path filter on branch A routers so that only local prefixes are advertised into BGP

Answer(s): D



Refer to the exhibit. The OSPF routing protocol is redistributed into the BGP routing protocol, but not all the OSPF routes are distributed into BGP.


Which action resolves the issue?

  1. Include the word external in the redistribute command
  2. Use a route-map command to redistribute OSPF external routes defined in an access list
  3. Include the word internal external in the redistribute command
  4. Use a route-map command to redistribute OSPF external routes defined in a prefix list

Answer(s): C



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