Cisco CCNP Service Provider 350-501 Questions & Answers

• Question 361:

  Refer to the exhibit.

  

  Which configuration must be applied to each of the four routers on the network to reduce LDP LIB size and advertise label bindings for the /32 loopback IP space only?

  A. config t ip prefix-list LOOPBACKS seq 5 permit 0.0.0.0/0 le 32 mpls ldp label allocate global prefix-list LOOPBACKS end

  B. config t access-list 10 permit 172.16.0.0 0.0.0.7 access-list 20 permit 10.0.0.0 0.0.31.255 no mpls ldp advertise-labels mpls ldp advertise-labels for 10 to 20 end

  C. config t access-list 10 permit 172.16.0.0 0.0.0.7 access-list 20 permit 172.16.0.0 0.0.0.7 no mpls ldp advertise-labels mpls ldp advertise-labels for 10 to 20 end

  D. config t mpls ldp label allocate global host-routes end

  Correct Answer: A

• Question 362:

  A network engineer is implementing BFD configuration changes on a customer's equipment. How is the bfd interval configuration on the interface disconnected?

  A. The status of the interface changes.

  B. The IPv4 or IPv6 address configuration on the interface changes.

  C. It is automatically disconnected when the BFD-configured subinterface is removed.

  D. It is automatically disconnected when the BFD main interface is removed.

  Correct Answer: D

• Question 363:

  Refer to the exhibit.

  R1#configure terminalR1(config)# mpls ipR1(config)# mpls label protocol ldp

  R1(config)# interface Ethernet1/0R1(Config-if)# ip address 10.1.1.1 255.255.255.255R1(config-if)# mpls ip

  R1(config)# router ospf 1R1(config-router)# network 10.0.0.0 0.255.255.255 area 3

  A network engineer is configuring MPLS LDP synchronization on router R1. Which additional configuration must an engineer apply to R1 so that it will synchronize to OSPF process 1?

  A. R1(config)# router ospf 1 R1(config-router)# mpls ldp sync

  B. R1(config)# router ospf 1 R1(config-router)# mpls ldp autoconfig

  C. R1(config)# router ospf 1 R1(config-router)# mpls ldp igp sync holddown 60

  D. R1(config)# router ospf 1 R1(config-router)# no mpls ldp igp sync/strong R1(config-router)# bfd all-interface

  Correct Answer: A

• Question 364:

  What causes multicast traffic to permanently stay on the shared tree and not switch to the source tree?

  A. The SPT threshold is set to infinity.

  B. The RP IP address is configured incorrectly.

  C. The RP announcements are being filtered.

  D. SSM range is being used.

  Correct Answer: A

  https://www.cisco.com/c/en/us/td/docs/ios/solutions_docs/ip_multicast/White_papers/mcst_ ovr.html

• Question 365:

  An engineer working for telecommunication company with an employee id: 3715 15 021 needs to secure the LAN network using a prefix list Which best practice should the engineer follow when he implements a prefix list?

  A. An engineer must use non sequential sequence numbers in the prefix list so that he can insert additional entries later.

  B. The final entry in a prefix list must be /32

  C. An engineer must identity the prefix list with a number only

  D. An engineer must include only the prefixes for which he needs to log activity.

  Correct Answer: A

• Question 366:

  A network engineer is configuring a BGP route policy for the SUBNET prefix set. Matching traffic must be dropped, and other traffic must have its MED value set to 400 and community 4:400 added to the route. Which configuration must an engineer apply?

  A. router-policy CISCO if destination in SUBNET then drop

  else

  set med 400

  set community (4:400) additive

  endif

  end-policy

  end

  B. router-policy CISCO if destination in SUBNET then

  drop

  endif

  set med 400

  if community mathces-any SUBNET then

  set local-preference 400

  set med 500

  set community (4:400) additive

  endif

  end-policy

  end

  C. router-policy SUBNET if destination in SUBNET then

  drop

  endif

  set med 400

  set local-preference 400

  if community matches-any SUBNET then

  set community (4:400)

  endif

  end-policy

  end

  D. router-policy SUBNET if destination in BGP then drop

  else

  set med 400

  set community (4:400)

  endif

  end-policy

  end

  Correct Answer: A

• Question 367:

  Refer to the exhibit.

  PE-A

  vrf definition Customer-A rd 65000:1111 router-target export 65000:1111router-target import 65000:1111! address-family ipv4mdt default 233.15.38.120 mdt data 233.15.38.121 0.0.0.0 threshold 100 mdt mtu 5000

  !

  interface GigabitEthernet0/0vrf forwarding Customer-Aip address 10.10.10.1 255.255.255.252

  ! ip multicast-routing vrf Customer-A

  An engineer is implementing Auto-RP and reviewing the configuration of the PE-A. Which configuration permits Auto-RP messages to be forwarded over this interface?

  A. PE-A(config-if)#ip pim sparse-mode

  B. PE-A(config-if)#no ip pim bsr-border

  C. PE-A(config-if)#ip igmp version 3

  D. PE-A(config-if)#ip pim sparse-dense-mode

  Correct Answer: D

• Question 368:

  Refer to the exhibit.

  R1

  router bgp 65000router-id 192.168.1.1 no bgp default ipv4-unicastneighbor 192.168.1.2 remote-as 65001

  Which task completes the configuration?

  A. Specify the maximum number of prefixes that R1 receives from neighbor 192.168.1.2.

  B. Specify the source interface in the neighbor statement.

  C. Specify the activate neighbor 192.168.1.2 under the IPv4 address family.

  D. Specify the local-as value in the neighbor statement.

  Correct Answer: C

• Question 369:

  Refer to the exhibit.

  Router 1: router isis net 49.0011.0000.0000.0001.00

  Router2: net 49.0001.0000.0000.0001.00

  Router3: router isis net49.0011.0000.0000.0002.00

  Router 4 is added to the network and must be in the same area as router 1. Which NET should the engineer assign?

  A. 49.0001.0000.0000.0004.00

  B. 49.0111.0000.0000.0001.00

  C. 49.0011.0000.0000.0003.00

  D. 49.0011.0000.0000.0002.00

  Correct Answer: C

• Question 370:

  How does model-driven telemetry use YANG?

  A. to reset network devices that malfunction

  B. to set informs and traps on clients to report back to a centralized server

  C. to subscribe to data that is streamed from a device

  D. to poll network devices on a 30-minute interval

  Correct Answer: C