CompTIA Exam Questions

Which of the following protocols operates at the HIGHEST level of the OSI model?

Which of the following protocols operates at the HIGHEST level of the OSI model?

A.
ICMP

B.
IPSec

C.
SCP

D.
TCP

Explanation:
SCP (Secure Copy) uses SSH (Secure Shell). SSH runs in the application layer (layer 7) of the
OSI model.