QuestionQ22

Intermediate System to Intermediate System (IS-IS)

Which two statements regarding TLVs in IS-IS are correct?

Choose two
  • A TLVs only support encoding IPv4 routing information.
  • B LSPs can only contain one TLV.
  • C LSPs can contain multiple TLVs.
  • D TLVs allow flexible encoding of routing information.
Explanation

An IS-IS LSP can carry multiple TLVs. The type-length-value format provides extensibility and flexible encoding of routing and other protocol information; it is not limited to IPv4.

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