The layer of the IEEE 802 reference model that includes such functions as encoding/decoding of signals and bit transmission/reception is the _________ .
A)physical layer
B)control layer
C)logical link layer
D)media access layer

Question

Quizplus · Accepted Answer

The physical layer is responsible for the transmission and reception of unstructured raw bit streams over a physical medium. This layer translates bits into electrical, optical, or radio signals and vice versa, and deals with the techniques required for transmitting bits over a physical link connecting network nodes. These techniques include encoding, modulation, and signal shaping.

The Layer of the IEEE 802 Reference Model That Includes