Which of the following is NOT an encryption method used by VPNs (Virtual Private Networks)?
A.
IPSEC – IP Security
B.
L2F – Layer 2 Forwarding
C.
L2TP – Layer 2 Tunneling Protocol
D.
SSH – Secure Shell
E.
PPTP – Point to Point Tunneling Protocol
F.
All of the above are encryption methods used by VPNs