From the options, choose the VPN (Virtual Private Network) tunneling protocol.
A.
AH (Authentication Header).
B.
DES (Data Encryption Standard).
C.
IPSec (Internet Protocol Security).
D.
SSH (Secure Shell).
Explanation:
IPSec provides secure authentication and encryption of data and headers. IPSec can work in
tunneling mode or transport mode. In tunneling mode, the data or payload and message headers
are encrypted. Transport modes encrypt only the payload.
Reference:
Mike Pastore and Emmett Dulaney , Security+ Study Guide , 2nd Edition, Alameda , Sybex , 2004,
p 127