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Computer Networks
Physical Layer
Q
The portion of physical layer that interfaces with the media access control sublayer is called ___________
AA. Physical signalling sublayer
BB. Physical data sublayer
CC. Physical address sublayer
DD. Physical transport sublayer
Correct Answer:
A. A. Physical signalling sublayer
Explanation:
The portion of physical layer that interfaces with the medium access control sublayer is Physical Signaling Sublayer. The main function of this layer is character encoding, reception, decoding and performs optional isolation functions. It handles which media connection the signal should be forwarded to physically.
