What is a LAN?

• A. A network connecting devices over long distances
• B. A network connecting computers within a limited area
• C. A type of computer security measure
• D. A program for monitoring internet usage

Answer: (B)

A LAN, or Local Area Network, is defined as a network that connects computers and other devices within a limited geographic area, such as a home, office, or school. This type of network allows devices to communicate with one another, share resources like printers and files, and access the internet collectively. LANs are typically characterized by high data transfer rates and lower latency due to their restricted range.

The definition encompasses the essential attributes of a LAN, emphasizing the local connectivity involved. In contrast, a network connecting devices over long distances pertains to a Wide Area Network (WAN), which is not applicable to the concept of a LAN. A LAN does not relate to computer security measures or programs for monitoring internet usage; those topics refer to different areas of technology. Thus, the focus on localized connectivity is what makes the response about a LAN accurate and relevant.