What best describes the function of a VPN?

• A. Improves website load times
• B. Mask IP addresses and encrypt data
• C. Store large amounts of data
• D. Facilitates team collaboration

Answer: (B)

A Virtual Private Network (VPN) primarily serves the critical function of masking IP addresses and encrypting data. When a user connects to the internet through a VPN, their internet traffic is routed through a secure server operated by the VPN provider. This process hides the user's original IP address, making it difficult for third parties to trace online activities back to the user. Additionally, the data transmitted through the VPN is encrypted, which means that even if the data is intercepted, it remains unreadable to unauthorized parties.

This dual function of IP masking and data encryption is essential for maintaining online privacy and security, especially when using public Wi-Fi networks where users may be more vulnerable to cyber threats. Other options such as improving website load times or facilitating team collaboration do not accurately reflect the VPN's primary roles. Storing large amounts of data is also not a function of a VPN, as that task falls under data storage solutions rather than a VPN's capabilities. Understanding this core function of a VPN equips users with the knowledge to protect their online presence effectively.