What layer of the OSI model do IPsec tunnels function on?

exams 312-38 V1 312-38 exam 0 Comments

Liza was told by her network administrator that they will be implementing IPsec VPN tunnels to connect the branch locations to the main office.

What layer of the OSI model do IPsec tunnels function on?
A . The data link layer
B. The session layer
C. The network layer
D. The application and physical layers

Answer: C