If an authentication protocol is being implemented that uses a private key and a session key, the protocol is:

If an authentication protocol is being implemented that uses a private key and a session key, the
protocol is:

A.
L2TP (Layer 2 Tunneling Protocol).

B.
Kerberos

C.
IPSec (Internet Protocol Security).

D.
PPTP (Point-to-Point Tunneling Protocol).