Which of the following statements is true about the VPN in Network security?

Q. Which of the following statements is true about the VPN in Network security?

A.            It is a type of device that helps to ensure that communication between a device and a network is secure.

B.            It is usually based on the IPsec( IP Security) or SSL (Secure Sockets Layer)

C.            It typically creates a secure, encrypted virtual “tunnel” over the open internet

D.            All of the above

Answer: All of the above