The physical layer is responsible for __________
A. line coding
B. channel coding
C. modulation
D. all of the mentioned
Answer:D
The physical layer is responsible for __________
A. line coding B. channel coding C. modulation D. all of the mentioned
Explanation: The physical layer is responsible for line coding, channel coding and modulation that is needed for the transmission of the information. The physical configuration including pins, connectors and the electric current used is dealt in the physical layer based on the requirement of the network application.