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Computer Networks
Frame Relay 2
Q
Frame relay has only _______
AA. Physical layer
BB. Data link layer
CC. Physical layer and data link layer
DD. Network layer and data link layer
Correct Answer:
C. C. Physical layer and data link layer
Explanation:
The physical layer is guided by the protocols recognized by the ANSI and provides conversion to frames. The data link layer supports the simplified core functions specified by the OSI model like error detection.