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Cisco 300-410 Exam Questions
Implementing Cisco Enterprise Advanced Routing and Services (ENARSI) (Page 21 )

Updated On: 24-Feb-2026
Page 21 of 125
PDF with 640 Questions

Which list defines the contents of an MPLS label?

  1. 20-bit label; 3-bit traffic class; 1-bit bottom stack; 8-bit TTL
  2. 32-bit label; 3-bit traffic class; 1-bit bottom stack; 8-bit TTL
  3. 20-bit label; 3-bit flow label; 1-bit bottom stack; 8-bit hop limit
  4. 32-bit label; 3-bit flow label; 1-bit bottom stack; 8-bit hop limit

Answer(s): A


Reference:

https://tools.ietf.org/html/rfc5462



Refer to the exhibit. What does the imp-null tag represent in the MPLS VPN cloud?

  1. Pop the label
  2. Impose the label
  3. Include the EXP bit
  4. Exclude the EXP bit

Answer(s): A



DRAG DROP (Drag and Drop is not supported)
Drag and drop the MPLS terms from the left onto the correct definitions on the right.
Select and Place:

  1. See Explanation section for answer.

Answer(s): A

Explanation:



Which transport layer protocol is used to form LDP sessions?

  1. UDP
  2. SCTP
  3. TCP
  4. RDP

Answer(s): C



Refer to the exhibits.



Which configuration allows spoke-to-spoke communication using loopback as a tunnel source?

  1. Configure crypto isakmp key cisco address 0.0.0.0 on the hub
  2. Configure crypto isakmp key cisco address 200.1.0.0 255.255.0.0 on the hub
  3. Configure crypto isakmp key cisco address 200.1.0.0 255.255.0.0 on the spokes
  4. Configure crypto isakmp key cisco address 0.0.0.0 on the spokes

Answer(s): D






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