Practice Quiz

CompTIA A+ 220-901

Category - Mobile Devices

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A user calls the help desk complaining that the wireless Ethernet card on his laptop is not functioning, despite it having worked the day before. What is the first thing you should ask the user to check?
  1. The Wireless Ethernet drivers.
  2. Test the RJ-45 port.
  3. The WAP’s ACL.
  4. The WLAN switch is set to “on.”
Explanation
Answer: D - If a user’s wireless Ethernet card on his laptop is not functioning, the first thing you should check is that the WLAN switch or button is set to “on.”

Key Takeaway: Most laptops have a WLAN switch that enables/disables the laptop’s wireless Ethernet card. Often, if a user reports the Wireless Ethernet is suddenly not functioning, the answer is this switch. It is possible the Wireless Ethernet drivers have corrupted or that the Wireless Access Point (WAP)’s Access Control List (ACL) has changed, but this is not the first thing to check. The RJ-45 port is the wired Ethernet port and does not affect wireless Ethernet.
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