Cisco 300-410 Exam Actual Questions
Implementing Cisco Enterprise Advanced Routing and Services (ENARSI) (Page 15 )

Updated On: 23-Jul-2026

What are two functions of LDP? (Choose two.)

  1. It advertises labels per Forwarding Equivalence Class.
  2. It uses Forwarding Equivalence Class.
  3. It is defined in RFC 3038 and 3039.
  4. It requires MPLS Traffic Engineering.
  5. It must use Resource Reservation Protocol.

Answer(s): A,B



DRAG DROP (Drag and Drop is not supported)
Drag and drop the operations from the left onto the locations where the operations are performed on the right.

Select and Place:

  1. See Explanation section for answer.

Answer(s): A

Explanation:



Which protocol does MPLS use to support traffic engineering?

  1. Tag Distribution Protocol
  2. Resource Reservation Protocol
  3. Label Distribution Protocol
  4. Border Gateway Protocol

Answer(s): B



An engineer configured a company's multiple area OSPF Head Office router and Site A Cisco routers with VRF lite. Each site router is connected to a PE router of an MPLS backbone:

Head Office & Site A
ipcef
ipvrfabc
rd 101:101
!
interface FastEthernet0/0
ipvrf forwarding abc
ip address 172.16.16.X 255.255.255.252
!
routerospf 1 vrfabc
log-adjacency-changes
network 172.16.16.0 0.0.0.255 area 1

After finishing both site router configurations, none of the LSA 3, 4, 5, and 7 are installed at Site A router. Which configuration resolves this issue?

  1. configure capability vrf-lite on Site A and its connected PE router under router ospf 1 vrfabc
  2. configure capability vrf-lite on both PE routers connected to Head Office and Site A routers under router ospf 1 vrfabc
  3. configure capability vrf-lite on Head Office and its connected PE router under router ospf 1 abc
  4. configure capability vrf-lite on Head Office and Site A routers under router ospf 1 vrfabc

Answer(s): D



Refer to the exhibit. The Los Angeles and New York routers are receiving routers from Chicago but not from each other.




Which configuration fixes the issue?

  1. interface Tunnel1
    noip split-horizon eigrp 111
  2. interface Tunnel1
    ip next-hop-self eigrp 111
  3. interface Tunnel1
    tunnel mode ipsec ipv4
  4. interface Tunnel1
    tunnel protection ipsec profile IPSec-PROFILE

Answer(s): A



DRAG DROP (Drag and Drop is not supported)
Drag and drop the MPLS VPN device types from the left onto the definitions on the right.
Select and Place:

  1. See Explanation section for answer.

Answer(s): A

Explanation:



Refer to the exhibit. The network administrator configured VRF lite for customer A. The technician at the remote site misconfigured VRF on the router.


Which configuration will resolve connectivity for both sites of customer_a?





Answer(s): D



What does the PE router convert the IPv4 prefix to within an MPLS VPN?

  1. eBGP path association between the PE and CE sessions
  2. prefix that combines the ASN, PE router-id, and IP prefix
  3. 48-bit route combining the IP and PE router-id
  4. VPN-IPv4 prefix combined with the 64-bit route distinguisher

Answer(s): D



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