How many layers does the TCP/IP model have?

How many layers does the TCP/IP model have?

A.
3

B.
4

C.
6

D.
7

Explanation:
Defining the TCP/IP Model

The TCP/IP (or TCP) model is similar to the OSI model. It is often used by software manufacturers who are not as concerned with how information is
sent over physical media, or how the data link is actually made. This model is composed of only four layers.