Which of the following statements are true about a virtual private network (VPN)? Each correct answer represents a complete solution. Choose all that apply.

A.
It is a network that uses a public telecommunication infrastructure, such as the Internet.

B.
It operates at the Physical layer of theOSl model.

C.
It is a form of wide area network (WAN) that supplies network connectivity over a possibly long physical distance.

D.
It works by using the shared public infrastructure while maintaining privacy through security procedures and tunneling protocols such as the Layer Two Tunneling Protocol (L2TP).

E.
It provides remote offices or individual users with secure access to their organization’s network.