Which of the following is used to create a secured connection over an unsecured network?

Which of the following is used to create a secured connection over an unsecured network?

A.
TCP/IP protocol

B.
Virtual Private Network (VPN)

C.
Single Sign-on (SSO)

D.
Kerberos

Explanation:
Virtual Private Network (VPN) is used to create a secured connection over an unsecured network.
authentication and authorization is used to allow a user to access all computers and systems where
he got a access permission, without entering passwords for multiple times.
a service in a computer network.
for communicating with each other over the internet.