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Question ID 496

QUESTION NO: 299
Which Layer 2 protocol encapsulation type supports synchronous and asynchronous circuits
and has built-in security mechanisms?

Option A

HDLC

Option B

PPP

Option C

X.25

Option D

Frame Relay

Correct Answer B
Explanation


Question ID 497

QUESTION NO: 299
Which Layer 2 protocol encapsulation type supports synchronous and asynchronous circuits
and has built-in security mechanisms?

Option A

HDLC

Option B

PPP

Option C

X.25

Option D

Frame Relay

Correct Answer B
Explanation

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