The correct answer is D. WLAN (Wireless Local Area Network).
According to CompTIA A+ Core 1 220-1201 objectives under Networking:
A WLAN is a wireless network that covers a limited area such as an office, building, or campus.
Using a heat map helps administrators determine optimal placement of access points, identify areas of weak signal, and plan coverage for employees’ devices.
Why the other options are incorrect:
A. SAN (Storage Area Network): Connects storage devices over a network; not used for wireless coverage.
B. PAN (Personal Area Network): Covers a very small area, such as a single person’s devices (Bluetooth, USB, etc.), not a whole office.
C. MAN (Metropolitan Area Network): Covers a city or large geographic area; too large for a floor plan.
[References:, CompTIA A+ Core 1 (220-1201) Exam Objectives – Networking: “Given a scenario, configure wireless networks including site surveys, heat maps, and access point placement.”, Mike Meyers’ CompTIA A+ Certification Guide, 13th Edition, Chapter on Wireless Networking., ]
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