The OSI model contains seven layers. TCP/IP is generally accepted as having how many layers?

A.
four

B.
five

C.
six

D.
eight

Explanation:
The TCP/IP Protocol Model is similar to the OSI model, but it defines only the following four layers
instead of seven: Application Layer, Host-to-Host Transport Layer, Internet Layer, Network Access or
Link Layer. Pg. 84 Krutz: The CISSP Prep Guide.