What Is a VPN (Virtual Private Network)

Multiple Choice

What is a VPN (virtual private network) ?

A) It uses the Internet to create secure point-to-point connections.
B) It is an add-on to browsers that was developed by Adobe and is useful for providing animation,movies,and other advanced graphics inside a browser.
C) It is a markup language that fixes several HTML deficiencies and is commonly used for program-to-program interaction over the Web.
D) It is the most common language for defining the structure and layout of web pages.