Which of the following is less likely to be used today in creating a Virtual Private Network?

The correct answer is D. L2F. L2F (Layer 2 Forwarding) provides no authentication or encryption. It is a Protocol that supports the creation of secure virtual private dial-up networks over the Internet. At one point L2F was merged with PPTP to produce L2TP to be used on networks and not only on dial up…

Submitted by joshua94· Apr 18, 2026Network and Communications Security

Question

Options

AL2TP
BPPTP
CIPSec
DL2F

How the community answered

(41 responses)

A
2% (1)
B
5% (2)
D
93% (38)

Explanation

L2F (Layer 2 Forwarding) provides no authentication or encryption. It is a Protocol that supports the creation of secure virtual private dial-up networks over the Internet. At one point L2F was merged with PPTP to produce L2TP to be used on networks and not only on dial up links. IPSec is now considered the best VPN solution for IP environments.

Topics

#VPN protocols#Network security#Tunneling protocols#Legacy protocols

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