A user reports that a specific area within a building, such as a conference room, consistently has a weak or non-existent Wi-Fi signal. Other areas of the building have strong connectivity. Which of the following is the most likely cause for this issue?
Insufficient wireless coverage is the most probable cause for weak or no signal in a specific area. This occurs when access points are too far away, or when physical obstructions like thick walls block or degrade the radio waves. High network traffic and congestion typically cause slow performance (latency) rather than a weak signal in a specific location. An incorrect subnet mask is a Layer 3 configuration issue that would prevent a device from communicating on the network, but it would not affect the strength of the Wi-Fi signal it receives. Mismatched wireless standards could prevent a client from connecting to an access point altogether, but it does not explain why an entire area has a weak signal for multiple devices.
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What factors can affect the signal strength of a wireless access point?
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How can I improve the coverage of my wireless network?
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What are wireless standards, and why can mismatched standards cause connectivity issues?