Which two statements about IS reachability TLV (TLV 2) and the extended IS reachability (TLV 22) are true?()A、TLV 22 supports wide metrics.B、TLV 2 is only used in Level 1 routers.C、TLV 22 displays the neighbor's extended areas.D、Only TLV 22 can support the inclusion of sub-TLVs.

Which two statements about IS reachability TLV (TLV 2) and the extended IS reachability (TLV 22) are true?()

  • A、TLV 22 supports wide metrics.
  • B、TLV 2 is only used in Level 1 routers.
  • C、TLV 22 displays the neighbor's extended areas.
  • D、Only TLV 22 can support the inclusion of sub-TLVs.

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