Cisco CCNP 300-515 Questions & Answers

• Question 31:

  Which kind of traffic is supported in an MVPN Extranet?

  A. PIM dense mode with Reverse Path Forwarding

  B. PIM dense mode

  C. PIM sparse mode

  D. Bidirectional PIM

  Correct Answer: C

  Reference: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipmulti_mvpn/configuration/xe-16/imc-mvpn-xe-16-book/imc-mc-vpn-extranet.html

• Question 32:

  With Layer 3 MPLS VPN implementations on Cisco IOS XR PE routers, an interface is assigned to a VRF using the vrf command in which configuration mode?

  A. RP/0/RP0/CPU0:PE(config-bgp)#

  B. RP/0/RP0/CPU0:PE(config-if)#

  C. RP/0/RP0/CPU0:PE(config-bgp-af)#

  D. RP/0/RP0/CPU0:PE(config-vrf)#

  Correct Answer: B

  Reference: https://www.cisco.com/c/en/us/td/docs/ios_xr_sw/iosxr_r3-7/mpls/configuration/guide/gc37v3.html

• Question 33:

  In Layer 3 MPLS VPN implementations, if some of the VPNv4 routes on one PE router do not appear on another PE router, what could be the problem?

  A. RD mismatch between the PE routers

  B. RT export and import configuration errors

  C. VRF name mismatch between the PE routers

  D. RD export and import configuration errors

  Correct Answer: B

  Reference: http://blog.initialdraft.com/archives/1537/

• Question 34:

  Which condition must be met before an environment can support CSC?

  A. The CSC-PE and CSC-CE must each be able to ping an interface in its respective global routing table.

  B. The CSC-PE and the CSC-CE must support IPv6.

  C. The CSC-PE and CSC-CE devices must be able to send labels to one another using BGP.

  D. The CSC-CE must support OSPFv3.

  Correct Answer: C

• Question 35:

  A network engineer is implementing Layer 3 MPLS VPNs on Cisco IOS/IOS XE PE routers. Which PE-to-CE routing protocol requires a separate routing process to be created for each VRF?

  A. RIPv2

  B. OSPF

  C. BGP

  D. EIGRP

  Correct Answer: B

• Question 36:

  An engineer is troubleshooting an EoMPLS circuit on a Cisco IOS XR router interface that removes a VLAN from the distribution layer. Which configuration should the engineer apply in order to accomplish the task?

  A. interface GigabitEthernet 0/10.l2transport encapsulation dot1q 10 rewrite ingress tag pop 1 symmetric l2vpn xconnect group 103588 p2p 103588 interface GigabitEthernet 0/10.10 neighbor ipv4 10.10.10.2 pw-id 103588

  B. interface GigabitEthernet 0/10.10 encapsulation dot1q 10 rewrite ingress tag pop 1 symmetric l2vpn xconnect group 103588 p2p 103588 interface GigabitEthernet 0/10.10 neighbor ipv4 10.10.10.2 pw-id 103588

  C. interface GigabitEthernet 0/10.10 l2transport encapsulation dot1q 10 l2vpn xconnect group 103588 p2p 103588 interface GigabitEthernet 2/10.10 neighbor ipv4 10.10.10.2 pw-id 103588

  D. interface GigabitEthernet 0/10.10 l2transport encapsulation dot1q 10 rewrite ingress tag translate 1-to-1 dot1ad 10 symmetric l2vpn xconnect group 103588 p2p 103588 interface GigabitEthernet 0/10.10 neighbor ipv4 10.10.10.2 pw-id 103588

  Correct Answer: C

• Question 37:

  

  Refer to the exhibit. Which effect of this configuration is true?

  A. It configures VPWS multihomed.

  B. It configures VPWS single homed.

  C. It configures an IPv4 peering with 192.168.1.1

  D. It configures MPLS traffic engineering.

  Correct Answer: B

  Reference: https://www.ciscolive.com/c/dam/r/ciscolive/emea/docs/2019/pdf/BRKSPG-2798.pdf

• Question 38:

  An engineer is troubleshooting AToM on an IOS XE router and receives an error when creating the xconnect. Which command does he need to complete to create the xconnect in AToM?

  A. encapsulation mpls

  B. encapsulation 12tpv3

  C. protocol 12tpv3

  D. protocol none

  Correct Answer: A

• Question 39:

  What must match in the EVPN and L2VPN configuration mode when configuring EVPN native in a router?

  A. interface

  B. address family

  C. bridge domain

  D. EVI

  Correct Answer: D

  Reference: https://www.cisco.com/c/en/us/td/docs/routers/asr9000/software/asr9k-r6-2/lxvpn/configuration/guide/b-l2vpn-cg-asr9000-62x/b-l2vpn-cg-asr9000-62x_chapter_01011.html

• Question 40:

  A network architect is troubleshooting the L2TPv3 tunneling security due to the untrusted nature of the underlaying network. Which two L2TPv3 features does the architect deploy to address the ongoing issues? (Choose two.)

  A. TCP MD5 authentication

  B. control message hashing

  C. CHAP authentication

  D. control message rate limiting

  E. asymmetric mutual authentication with PSK

  Correct Answer: BC