4A0-105: Nokia Virtual Private LAN ServicesDemo

By Nokia · Question Mode

QuestionQ44

VPLS loop avoidance

Which statement about the VPLS with service ID 1 is true?

Question Image

  • A This VPLS is a Management VPLS.
  • B Customer traffic will flow over SDP 3:100.
  • C SDP 3:20 is in the forwarding state.
  • D No customer traffic will flow over SDP 3:20.
Explanation

An SAP or spoke SDP in the STP Discard state does not forward customer traffic. SDP 3:20 is also marked Pruned, so it cannot carry customer traffic even though its operational state is up.

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