Answer: C Of the above choices, only Frame relay uses Permanent Virtual

Which of the following use PVCs at layer 2?

A.) X.25

B.) HDLC

C.) Frame relay

D.) ISDN

Question Posted / guest

Answer Posted / guest

Answer: C

Of the above choices, only Frame relay uses Permanent
Virtual Circuits

(PVCs) at layer 2. PVC is the key word in this question.

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