In the TCP/IP protocol hierarchy, the ____ layer protocols are the rules governing the exchange of binary digits across a physical communication channel.
A) network
B) transport
C) data link
D) physical

Question

Quizplus · Accepted Answer

The physical layer protocols are responsible for the transmission of raw data bits over a communication channel. It defines the electrical, mechanical, procedural, and functional specifications for activating, maintaining, and deactivating the physical link between end systems.

In the TCP/IP Protocol Hierarchy, the ____ Layer Protocols Are