A local area network (LAN) connects devices within a limited area, such as an office, to enable high-speed communication and resource sharing among computers, printers, and other equipment. Option B (distributors’ assistance) is unrelated to LAN functionality. Option C (modem communication) pertains to wide area networks or Internet access, not LANs. Option D (monitor display) is a hardware function, not a network purpose. This question falls under the Information Technology category, focusing on networking.
[Reference:ETS Praxis Business Education: Content Knowledge (5101) Study Companion, Section on Information Technology; Computer Networking: A Top-Down Approach, Chapter 1., ]
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