You work as a Network Administrator for Blue Bell Inc. The company has a TCP-based network.
The company has two offices in different cities. The company wants to connect the two offices by
using a public network. You decide to configure a virtual private network (VPN) between the
offices. Which of the following protocols is used by VPN for tunneling?

A.
L2TP

B.
HTTPS

C.
SSL

D.
IPSec