What does VPN stand for in networking?

VPN stands for Virtual Private Network, and this term describes a technology that creates a secure connection over a less secure network, such as the internet. A VPN allows users to send and receive data while maintaining the confidentiality and integrity of that data.

The term "virtual" refers to the way the network operates as if it is a private network, even though it traverses a public network like the internet. This creates a private and secure channel for users to communicate and share data. The "private" aspect emphasizes the security features that protect the data from unauthorized access. By encrypting the data and masking the user's IP address, a VPN enhances online privacy and security.

The other terms listed do not accurately represent what a VPN is or its function in networking. For example, "Variable Protocol Node" and "Variable Private Network" do not pertain to established networking terminology. "Virtual Protected Network" inaccurately conveys the nature of the service, as it deviates from the correctly recognized concept of a Virtual Private Network. Understanding the full meaning of VPN is critical in recognizing its role in enhancing security for online activities.