Cisco CCNP Service Provider 350-501 Questions & Answers

• Question 281:

  Refer to the exhibit.

  

  An engineer is implementing BGP selective prefix suppression. The router must advertise only 10.16.4.0/24,10.16.5.0/24. and summarized route 10.16.0.0/21. and suppress 10.16.6.0/24. Which configuration must the engineer apply to the router?

  A. Router (config)# router bgp 300 Router(config-router)# aggregate-address 10.16.6.0 255.255.252.0 as-set suppress-map SuppressMap

  B. Router (config)# router bgp 300 Router(config-router)# aggregate-address 10.16.0.0 255.255.255.0 as-set suppress-map unSuppressMap

  C. Router (config)# router bgp 300 Router(config-router)# aggregate-address 10.16.0.0 255.255.248.0 as-set suppress-map SuppressMap

  D. Router (config)# router bgp 300 Router(config-router)# aggregate-address 10.16.6.0 255.255.255.0 as-set suppress-map SuppressMap

  Correct Answer: C

• Question 282:

  Refer to the exhibit.

  

  A network operator has two IPv4 and IPv6 dual-stacked network on each side of the IPv4 core network. The operator must be able to provide connectivity between them while using specific assigned IPv6 space provided from the company IP administrator team. Which technology should the network operator use to accomplish this goal?

  A. 6rd

  B. DS-Lite

  C. NAT44

  D. NAT46

  Correct Answer: A

• Question 283:

  Refer to the exhibit.

  

  An engineer is reviewing the BGP configuration. Which routes must be advertised to 10.10.10.1?

  A. Local routes are permitted, and routes from other ASNs are denied.

  B. All routes whether local or from other ASNs are denied.

  C. Local routes are denied, and routes from other ASNs are permitted.

  D. All routes whether local or from other ASNs are permitted.

  Correct Answer: D

• Question 284:

  Refer to the exhibit.

  

  An engineer is trying to implement BGP configuration on a router. Which configuration error prevents the ASBR from establishing a BGP neighborship to a directly connected BGP speaker?

  A. The routing policy is absent for this Cisco IOS XR eBGP instance.

  B. The TCP session parameters are not specified.

  C. The VPNv4 address family interferes with the BGP IPv4 address family negotiations.

  D. The IPv4 address family configuration under neighbor configuration-mode must be removed.

  Correct Answer: A

  https://www.cisco.com/c/en/us/td/docs/routers/xr12000/software/xr12k_r41/routing/configur ation/guide/routing_cg41xr12k_chapter1.html bgp router-id comes under TCP session parameters

• Question 285:

  Refer to the exhibit.

  

  What type of configuration is it?

  A. It is configuration that requires OSPF to also be running to have optimized Cisco MPLS TE tunnels

  B. It is configuration that requires a dynamic Cisco MPLS TE path to be configured for the tunnel to run

  C. It is configuration for the head-end router of a Cisco MPLS TE tunnel with segment routing

  D. It is configuration that requires an explicit Cisco MPLS TE path to be configured for the tunnel to run

  Correct Answer: C

• Question 286:

  A network engineer is configuring a newly installed PE router at the regional gateway location. The new PE router must use MPLS core routing protocols with the existing P router, and LDP sessions between the two routers must be protected to provide faster MPLS convergence. Which configuration must the engineer perform on the network so that LDP sessions are established?

  A. Enable RSVP-TE FRR on the LDP interface to protect the LDP session between routers.

  B. Enable communication over TCP port 646 T-LDP hello messages.

  C. Set the LDP session protection timer on each router to the same value.

  D. Enable LDP session protection on either one of the routers, which allows them to autonegotiate.

  Correct Answer: D

• Question 287:

  Refer to the exhibit.

  

  A network operator working for a telecommunication company with an employee id: 1234:56:789 is implementing a Cisco Unified MPLS solution. What is the effect of this implementation?

  A. BGP is deployed between the PEs and ABRs with RFC 3107.

  B. EIGRP is deployed between the PEs and ABRs with RFC 3107.

  C. OSPF is deployed between the PEs and ABRs with RFC 3107.

  D. IS-IS is deployed between the PEs and ABRs with RFC 3107.

  Correct Answer: A

• Question 288:

  What is a characteristic of prefix segment identifier?

  A. It contains the interface address of the device per each link.

  B. It contains a router to a neighbor.

  C. It is locally unique.

  D. It is globally unique.

  Correct Answer: D

• Question 289:

  Which two routing protocols support Cisco MPLS TE tunnels? (Choose two.)

  A. RIP

  B. EIGRP

  C. BGP

  D. IS-IS

  E. OSPF

  Correct Answer: DE

• Question 290:

  Refer to the exhibit.

  

  Router 1 and router 2 are running OSPF Area 0. The router logs on both routers show that the LDP link has flapped. Which configuration must the engineer apply to the two routers to implement session protection on the link?

  A. Router 1(config)# ip cef distributed Router 1(config)# mpls ldp session protection global

  Router 2(config)# ip cef distributed

  Router 2(config)# mpls ldp session protection global

  B. Router 1(config)# ip cef distributed Router 1(config)# interface gigabitethernet 0/0 Router 1(config-if)# ip address 192.168.1.1 255.255.255.0 Router 1(config)# mpls ldp session protection

  Router 2(config)# interface gigabitethernet 0/0

  Router 2(config-if)# ip address 192.168.1.2 255.255.255.0

  Router 2(config)# mpls ldp session protection

  C. Router 1(config)# ip cef distributed Router 1(config)# interface gigabitethernet 0/0 Router 1(config-if)# ip address 192.168.1.1 255.255.255.255 Router 1(config-if)# exit Router 1(config)# mpls ldp session protection

  Router 2(config)# ip cef distributed

  Router 2(config)# interface gigabitethernet 0/0

  Router 2(config-if)# ip address 192.168.1.2 255.255.255.255

  Router 2(config-if)# exit

  Router 2(config)# mpls ldp session protection

  D. Router 1(config)# ip cef distributed Router 1(config)# interface gigabitethernet 0/0 Router 1(config-if)# ip address 192.168.1.1 255.255.255.0 Router 1(config-if)# mpls label protocol ldp Router 1(config-if)# mpls ip Router 1(config-if)# exit Router 1(config)# mpls ldp session protection

  Router 2(config)# ip cef distributed

  Router 2(config)# interface gigabitethernet 0/0

  Router 2(config-if)# ip address 192.168.1.2 255.255.255.0

  Router 2(config-if)# mpls label protocol ldp

  Router 2(config-if)# mpls ip

  Router 2(config-if)# exit

  Router 2(config)# mpls ldp session protection

  Correct Answer: D