A group packets from a source through an X.25 packet to sink arrive in the same order sent for

VC, but not for PVC

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PVC but not VC

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Both PVC and VC

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None of the above

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Solution

The correct option is B Both PVC and VC

A group packets from a source through an X.25 packet to sink arrive in the same order sent for both PVC and VC.

Frame relay is a packet-switching telecommunication service designed for cost-efficient data transmission for intermittent traffic between local area networks (LANs) and between endpoints in wide area networks (WANs).

Frame relay is based on the older X.25 packet-switching technology that was designed for transmitting analog data such as voice conversations. Unlike X.25, which was designed for analog signals, frame relay is a fast packet technology, which means that the protocol does not attempt to correct errors.

Permanent virtual circuit:-

A permanent virtual circuit (PVC) is a software-defined logical connection in a network such as a frame relay network.

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