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Implementing Cisco Enterprise Advanced Routing and Services (ENARSI) Questions 225–232 (page: 30)

Updated On: 9-Jul-2026

Which two components are required for MPLS Layer 3 VPN configuration? (Choose two.)

  1. Use LDP for customer routes.
  2. Use pseudowire for Layer 2 routes.
  3. Use a unique RD per customer VRF.
  4. Use OSPF between PE and CE.
  5. Use MP-BGP for customer routes.

Answer(s): C,E



Refer to the exhibit. Which configuration resolves the IP SLA issue from R1 to the server?

  1. R6(config)#ip sla responder
  2. R6(config)#ip sla 650 R6(config-ip-sla)#udp-jitter 10.60.60.6
  3. R6(config)#ip sla responder udp-echo ipaddress 10.60.60.6 po 5000
  4. R6(config)#ip sla schedule 10 life forever start-time now

Answer(s): A



A network administrator added a new spoke site with dynamic IP on the DMVPN network. Which configuration command passes traffic on the DMVPN tunnel from the spoke router?

  1. ip nhrp registration no-registration
  2. ip nhrp registration dynamic
  3. ip nhrp registration no-unique
  4. ip nhrp registration ignore

Answer(s): C



Refer to the exhibit. Which configuration enables OSPF for area 0 interfaces to establish adjacency with a neighboring router with the same VRF?

  1. router ospf 1 vrf CCNP network 10.1.1.1 0.0.0.0 area 0 network 10.2.2.2 0.0.0.0 area 0
  2. router ospf 1 interface Ethernet1 ip ospf 1 area 0.0.0.0 interface Ethernet2 ip ospf 1 area 0.0.0.0
  3. router ospf 1 vrf CCNP interface Ethernet1 ip ospf 1 area 0.0.0.0 interface Ethernet2 ip ospf 1 area 0.0.0.0
  4. router ospf 1 vrf CCNP network 10.0.0.0 0.0.255.255 area 0

Answer(s): C



Refer to the exhibit. TCP traffic should be reaching host 10.10.10.10/24 via R2. Which action resolves the issue?

  1. Allow TCP in the access list with no changes to the route map.
  2. Add a permit 20 statement in the route map to allow TCP traffic.
  3. TCP traffic will reach the destination via R2 without any changes.
  4. Set IP next-hop to 10.10.12.2 under the route-map permit 10 to allow TCP traffic.

Answer(s): A



A newly installed spoke router is configured for DMVPN with the ip mtu 1400 command. Which configuration allows the spoke to use fragmentation with the maximum negotiated TCP MTU over GRE?

  1. ip tcp adjust-mss 1360 crypto ipsec fragmentation mtu-discovery
  2. ip tcp adjust-mss 1360 crypto ipsec fragmentation after-encryption
  3. ip tcp payload-mtu 1360 crypto ipsec fragmentation after-encryption
  4. ip tcp payload-mtu 1360 crypto ipsec fragmentation mtu-discovery

Answer(s): B



Refer to the exhibit. During ISP router maintenance, the network produced many alerts because of the flapping interface. Which configuration on R1 resolves the issue?

  1. ip verify drop-rate notify hold-down 60
  2. snmp trap link-status down
  3. snmp trap ip verify drop-rate
  4. no snmp trap link-status

Answer(s): D



Refer to the exhibit. Reachability between servers in a network deployed with DHCPv6 is unstable. Which command must be removed from the configuration to make DHCPv6 function?

  1. ipv6 nd ra suppress
  2. address prefix 2001:0:1:4::/64 lifetime infinite infinite
  3. ipv6 dhcp server DHCP POOL
  4. ipv6 address 2001:0:1:4::1/64

Answer(s): A



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