Cisco CCNP Service Provider 350-501 Questions & Answers

• Question 371:

  What is a role of NSO?

  A. It automates the deployment of access points with its built-in wireless LAN controller.

  B. It manages WAN infrastructure using a virtual switch.

  C. It provides full lifecycle management of a device.

  D. It resides on a hypervisor that runs the Windows OS.

  Correct Answer: C

• Question 372:

  Which two features will be used when defining SR-TE explicit path hops if the devices are using IP unnumbered interfaces? (Choose two.)

  A. router ID

  B. labels

  C. node address

  D. next hop address

  E. output interface

  Correct Answer: BC

• Question 373:

  Refer to the exhibit.

  interface gigabitethernet 0/2no ip directed-broadcast

  Which type of DDoS attack will be mitigated by this configuration?

  A. SYN flood

  B. smurf attack

  C. SIP INVITE flood attacks

  D. teardrop attack

  Correct Answer: B

• Question 374:

  Refer to the exhibit.

  R2# configure terminalR2(config)# interface Ethernet1/0R2(config-if)# ip address 10.1.1.1 255.255.255.255

  An engineer is configuring two routers to support MPLS LDP sessions between them. The R1 configuration is complete, and work has started on R2 as shown. Which additional configuration must the engineer apply to R2 to complete the task?

  A. R2(config)# mpls label protocol ldp R2(config)# interface Ethernet1/0 R2(config-if)# mpls bgp forwarding

  B. R2(config)# mpls label protocol ldp R2(config)# interface Ethernet1/1 R2(config-if)# ip vrf forwarding CISCO R2(config-if)# ip ospf network point-to-point

  C. R2(config)# mpls ip R2(config)# mpls lable protocol ldp R2(config)# interface Ethernet1/0 R2(config-if)# mpls ip

  D. R2(config)# mpls label protocol ldp R2(config)# interface Ethernet1/0 R2(config-if)# ip vrf forwarding CISCO R2(config-if)# ip ospf 1 area 0

  Correct Answer: C

• Question 375:

  What is a primary benefit of IPoATM or MPLS over ATM backbone service provider networks?

  A. dedicated circuits

  B. variable-length packets

  C. isochronous system

  D. fixed-length cells

  Correct Answer: A

• Question 376:

  Refer to the exhibit.

  R1(config)# router isis area1R1(config-router)# net 49.0001.0000.0000.000b.00

  R1(config-router)# interface loopback 0R1(config-if)# ipv6 address 2001:0000:1001:1000::1/128R1(config-if)# exit

  R1(config)# interface Ethernet 1/2R1(config-if)# ipv6 address 2001:0000:1001:100A::1/64R1(config-if)# ipv6 router isis area1R1(config-if)# exit

  A network engineer with an employee id: 3812:12:993 has started to configure router R1 for IS-IS as shown. Which additional configuration must be applied to configure the IS-IS instance to advertise only network prefixes associated to passive interfaces?

  A. R1(config)# router isis area1 R1(config-router)# passive-interface loopback 0 R1(config-router)# address-family ipv6 R1(config-router-af)# advertise passive-only

  B. R1(config-router)# address-family ipv6 R1(config-router-af)# advertise passive-only

  C. R1(config)# router isis area1 R1(config-router)# loopback 0 passive-interface R1(config-router)# address-family ipv6 R1(config-router-af)# prc-interval 20

  D. R1(config)# router isis area 1 R1(config-router)# passive-interface loopback 0

  Correct Answer: A

• Question 377:

  Refer to the exhibit.

  R1# show ip ospf interface gig 2

  GigabitEthernet2 is up, line protocol is up Internet Address 172.20.1.12/31, Area 0.0.1.255, Attached via Interface enable Process ID 1, Router ID 10.255.255.1, Network Type Point_to_point, cost:1

  Topology-MTID : 0Cost : 1 Dsiabled : No Shutdown : No Topology Name : BaseEnabled by interface config, including secondary ip addressesTransmit delay is 1 sec, state point_to_pointTimer intervals configured, Hello 10, Dead 40, wait 40, Retransmit 5

  R1# show ip interface gig 2

  GigabitEthernet2 is up, line protocol is upInternet Address 172.20.1.12/31MTU is 9216 bytes

  R2# show ip ospf interface gig 2

  GigabitEthernet2 is up, line protocol is up Internet Address 172.20.1.13/31, Area 511, Attached via Interface enable Process ID 1, Router ID 10.255.255.2, Network Type Point_to_multipoint, cost:1

  Topology-MTID : 0Cost : 1 Dsiabled : No Shutdown : No Topology Name : BaseEnabled by interface config, including secondary ip addressesTransmit delay is 1 sec, state point_to_multipointTimer intervals configured, Hello 10, Dead 40, wait 40, Retransmit 5

  R2# show ip interface gig 2

  GigabitEthernet2 is up, line protocol is upInternet Address 172.20.1.13/31MTU is 1500 bytes

  While troubleshooting the OSPF adjacency between routers R1 and R2 an engineer noticed that both routers are stuck in the EXCHANGE/EXSTART state. What should the engineer fix to solve the ongoing issue?

  A. match IPv4 addresses

  B. match OSPF areas

  C. match OSPF network types

  D. match MTU values

  Correct Answer: D

• Question 378:

  An engineer is trying to implement BGP in a multihomed architecture. What must the engineer configure to influence inbound path selection?

  A. A route map with WEIGHT attribute to control the inbound traffic.

  B. An offset list to set the metric for routes received from neighboring autonomous systems.

  C. An access list to identify traffic and enable it on both of the provider-facing interfaces.

  D. A route map with AS_PATH attribute to control the inbound traffic.

  Correct Answer: D

• Question 379:

  Which protocol does a Cisco MPLS TE tunnel use to maintain paths within the core?

  A. RSVP

  B. VTP

  C. STP

  D. RPF

  Correct Answer: A

• Question 380:

  Refer to the exhibit.

  RP/0/RP0/CPU0:XR1#sh lpts pifib hardware entry location 0/0/CPU0 While troubleshooting the network, a network operator with an employee id: 3812:12:993 is trying to ping XR1. Which result should the operator expect when trying to ping to an XR1 local address?

  

  A. ICMP traffic works at a policed rate of 19 bytes per second every 100 ms

  B. All ICMP traffic responds successfully.

  C. All ICMP traffic is dropped.

  D. ICMP traffic works at a policed rate of 19 packets every 100 ms.

  Correct Answer: B