Answer: B D X.25 utilizes LAPB and uses switched and permanent VC's

Identify 2 features of X.25?

A.) Supports only IP

B.) Utilizes switched and permanent virtual circuits

C.) Contains minimal flow control and error recovery

D.) Utilizes LAPB as it's data-link protocol

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Answer: B D

X.25 utilizes LAPB and uses switched and permanent VC's. It
supports

multiple layer protocols and is heavy laden with error
detection and

correction mechanisms.

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