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Free 300-510 Exam Braindumps (page: 6)

Page 5 of 61
PDF with 269 Questions

Refer to the exhibit.


CE1 and CE2 cannot communicate through the service provider BGP peering isestablished between PE1 and PE2. IS-IS is the only routing protocol running in the service provider core. Whatstep can be done to troubleshoot the issue?

  1. Switch the IGPs running in the core from IS-IS to OSPF to support a Cisco MPLS TE tunnel from PE1 to PE2.
  2. Configure BGP between CE and PE routers.
  3. Confirm that IS-IS is running with metric-style narrow.
  4. Verify the MPLS LSPs.

Answer(s): C



Refer to the exhibit.


Which router does R1 install as an alternate next hop when trying to reach R3 if LFA is enabled?

  1. R5
  2. R3
  3. R4
  4. R2

Answer(s): D



Refer to the exhibit.



Routers R1 and R2 cannot form a neighbor relationship, but the network is otherwise
configured correctly and operating normally. Which two statements describe the problem? (Choose two.)

  1. The two routers are in the same area
  2. The two routers are in different subnets
  3. The two routers have password mismatch issues
  4. The two routers have the same network ID
  5. The two routers are in different areas

Answer(s): B,E



Refer to the exhibit.




P1 and PE3 Cisco IOS XR routers are directly connected and have this configurationapplied. The BGP session is not coming up. Assume that there is no IP reachability problem and both routerscan open tcp port 179 to each other. Which two actions fix the issue? (Choose two.)

  1. Change MD5 to HMAC-SHA1-12
  2. Change MD5 to HMAC-ESP
  3. Change MD5 to SHA-1
  4. Change MD5 to HMAC-MD5
  5. Remove the send and accept lifetime under key 1

Answer(s): A,D

Explanation:


Reference:

https://www.cisco.com/c/en/us/td/docs/routers/crs/software/crs_r4-0/security/configuration/guide/sc40crsbook_chapter5.html






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