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Which of the following use PVCs at layer 2?
A.) X.25
B.) HDLC
C.) Frame relay
D.) ISDN
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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.
| Is This Answer Correct ? | 3 Yes | 0 No |
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