Describe a window of frames 20 x25 deals primarily with, Ask an Expert

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Describe a window of frames. 20. X.25 deals primarily with which OSI layer? LAPB, its access protocol, resides in layer 2 ? LAPB is almost identical to and derives from which data-link layer protocol? . Differentiate permanent virtual circuits (PVCs) and virtual calls.? X.25 was designed as the basic protocol for a packet network. However, experience has shown that X.25 generally uses permanent virtual circuits. Discuss this with respect to full packet operation.

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Electrical & Electronics, Engineering

Category:- Electrical & Electronics
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