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Free 4A0-116 Exam Braindumps (page: 3)

Page 2 of 11
PDF with 40 Questions

When OSPF is used to support Segment Routing, the first byte of the link-state ID associated with each of the opaque LSAs indicates the type of information being advertised.
Which of the following associations between the first-byte value and its meaning is FALSE?

  1. Value 1 - Traffic Engineering
  2. Value 4 - Router Info
  3. Value 7 - SRGB Range
  4. Value 8 - Extended Link Info

Answer(s): D

Explanation:

Value 8 - Extended Link Info: This statement is not true, value 8 is not used to indicate Extended Link Info. It is used for different types of information, such as Link-Local/Remote Identifiers (LLS/RLS) Identifiers and Node SID/Adj-SID.



Which of the following steps is NOT required when configuring IS-IS to support Segment Routing?

  1. MPLS label range reserved for Segment Routing.
  2. Enable interfaces used for Segment Routing under
  3. The flooding scope of Segment Routing information.
  4. The Segment Routing Global Block range.

Answer(s): B

Explanation:

Enable interfaces used for Segment Routing under: This step is not required, enabling interfaces used for Segment Routing is not necessary as the IS-IS protocol already takes care of the flooding of the routing information.



OSPF type-10 Opaque LSAs can carry different types of advertisements.
What type of advertisement carries a router's local 5RGB information?

  1. Extended Prefix Info
  2. Router Info
  3. Extended Link Info
  4. Traffic Engineering Info

Answer(s): B

Explanation:

This type of advertisement carries a router's local SRGB information, which is used to distribute information about the local SID allocation range



Which of the following is not required to be advertised by a router participating in Segment Routing?

  1. Local Node-SID
  2. Adjacency-SIDs
  3. Support for SR-MPLS for IPv4 or IPv6, or SRv6
  4. SRGB when SRv6 is configured

Answer(s): D

Explanation:

SRGB when SRv6 is configured: This is not required to be advertised, SRGB(Segment Routing Global Block) is only used for SR-MPLS and is not needed when SRv6 is configured. Instead, SRv6 uses the IANA-assigned IPv6 address space.






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