Among the following options, which factors will cause the user to find no wireless network signal? (Multiple choice)

Question

Options

• AThe AP is configured with 5G priority, causing the 2.4G wireless client to find no signal
• BThe user's wireless network card is not enabled or the hardware switch of the wireless network
• CThe wireless controller is configured with the user isolation function
• DThe driver of the user's wireless network card is abnormal

• A
  7% (3)
• B
  80% (36)
• C
  13% (6)

Explanation

Options B and D are correct because both represent conditions on the client device itself that prevent wireless signal detection entirely. A disabled wireless network card (B) means the hardware cannot scan for any signals, while a corrupted or missing driver (D) means the operating system cannot communicate with the wireless hardware - in both cases, the device is functionally blind to all wireless networks.

Option A is a distractor because 5G priority (band steering) is an AP-side steering mechanism; the AP still broadcasts the 2.4G SSID, so a 2.4G-only client can still detect the signal - it may just be steered toward 5GHz if capable. Option C is a distractor because user/client isolation only blocks traffic between clients on the same network; it has no effect on signal visibility or the ability to discover and associate with an SSID.

Memory tip: Think "client-side vs. network-side." If the problem lives on the user's own device (card off = B, driver broken = D), there's no signal. If the problem is a network configuration (band steering = A, client isolation = C), the network is still visible - behavior is just altered after connection.

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