300-515 Free Practice Test

- (Exam Topic 3)
Refer to the exhibit.

Which statement about this command is true?

1. A. It must be configured on each PE router to enable the PE routers to receive multicast traffic for this particular MVRF.
2. B. It is used to set the designated router on a link using PIM-SM.
3. C. It must be configured on the PE and CE router to enable MP-BGP to send labels for CSC.
4. D. It is used to set the router that will server as the root bridge for STP.

Correct Answer: A
Reference: https://www.cisco.com/c/en/us/td/docs/routers/asr1000/configuration/guide/chassis/asrswcfg/ lsmmldp.html

- (Exam Topic 1)
An engineer is troubleshooting an ongoing network outage. Which command should he use that can display the live log files for a process or service running on a network device?

1. A. traceroute
2. B. show run
3. C. ping
4. D. debug

Correct Answer: D

- (Exam Topic 2)
While troubleshooting an AToM L2VPN service, a network consultant notices that the AC Layer 2 encapsulations are different. Which action should the consultant take in order to make the MPLS L2VPN work?

1. A. tag-rewrite on the ingress and egress PE router
2. B. interworking IP configuration on the last PE router before label disposition
3. C. nonrouted interworking setup to properly translate only the Layer 2 information from the AC
4. D. interworking IP configuration on both the AC terminations on the PEs

Correct Answer: D
Reference:
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/mp_l2_vpns/configuration/xe-16-11/mp-l2-vpns-xe-16-11-book/l2vpn-interworking.html

- (Exam Topic 2)
While troubleshooting EoMPLS configuration problems, which three parameters should an engineer match between the two ends of the pseudowire configurations? (Choose three.)

1. A. VLAN name
2. B. Xconnect group name
3. C. EFP subinterface number
4. D. pseudowire ID
5. E. MTU size
6. F. control word usage

Correct Answer: DEF
Reference:
https://www.cisco.com/c/en/us/support/docs/multiprotocol-label-switching-mpls/mpls/213238-mpls-l2vpn-pseudowire.html

- (Exam Topic 3)
Refer to the exhibit.

A customer carrier running MPLS VPN wants to utilize a backbone carrier to forward traffic and exchange VPNv4 prefixes between the two customer carriers networks depicted. Which two sets of routers must establish MP-iBGP sessions? (Choose two.)

1. A. BB-PE-A and CC-PE-B
2. B. CC-PE-A and CC-PE-B
3. C. BB-PE-A and BB-PE-B
4. D. CC-PE-A and BB-PE-A
5. E. BB-PE-A and BB-P-A
6. F. CC-PE-A and CC-P-A

Correct Answer: BC
Reference: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/mp_ias_and_csc/configuration/12-2sx/mp-ias-and-csc-12-2sx-book/mp-carrier-bgp.html