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Q4. Frame Relay protocol is based on fixed size frame length. In other words, the frame size can not be flexible.

Ans.: B (False)

Expl. Frame Relay is WAN protocol, that allows multi-access. Frame Relay works on packet-switched technology. Packet switched networks enable end stations to dynamically share the network medium and the available bandwidth. In Frame Relay, variable-length packets are used for more efficient and flexible data transfer. 

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