A user replaces a laptop’s wireless PCMCIA card with a different vendor’s card. All of the new card configuration steps have been followed. The OS sees all known wireless networks but cannot connect to the user’s network. Which of the following is the MOST likely reason for this behavior?（）A、DMZ is enabled.B、MAC filtering is enabled.C、WEP is being used.D、SSID broadcast is disabled.
A user replaces a laptop’s wireless PCMCIA card with a different vendor’s card. All of the new card configuration steps have been followed. The OS sees all known wireless networks but cannot connect to the user’s network. Which of the following is the MOST likely reason for this behavior?（）
- A、DMZ is enabled.
- B、MAC filtering is enabled.
- C、WEP is being used.
- D、SSID broadcast is disabled.
相关考题：
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A user reports that they walked away from their laptop for 30 minutes and when they came backthe screen was very dim. The user tried moving the mouse and increasing the brightness setting,but neither worked. Which of the following should the technician do FIRST?（）A、Plug in an external monitor to test the video card.B、Run a check disk scan to verify there is no corruption.C、Check if the laptop is now on battery power.D、Have the LCD screen replaced with a known good screen.
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单选题A user is attempting to connect to the network remotely using a laptop and dial-up. The user plugsthe cable into the only available laptop connection, but the connector is loose inside the port. TheMOST likely reason the connector is loose is the:（）ARJ-11 connector needs to be re-crimpedBUser has plugged into the laptop's NIC portCUser has plugged the wrong end of the cable into the portDRJ-11 connector needs to be replaced with an RJ-45 connector
单选题A user needs a laptop keyboard replaced because the space bar is not working. Mike, a technician, replaces the keyboard, and notices that a diagonal set of keys will not respond. Which of the following is the MOST likely cause?（）AStickyKeys is enabled and needs to be disabled.BThe new keyboard is defective and needs to be replaced.CThe system board is defective.DThe keyboard ribbon is not seated properly.
单选题A user replaces a laptop’s wireless PCMCIA card with a different vendor’s card. All of the new card configuration steps have been followed. The OS sees all known wireless networks but cannot connect to the user’s network. Which of the following is the MOST likely reason for this behavior?（）ADMZ is enabled.BMAC filtering is enabled.CWEP is being used.DSSID broadcast is disabled.
单选题A customer, who brings their laptop to work on a daily basis, calls to ask for the best way to add USB ports and an additional network card to their laptop. Which of the following would meet the user’s requirements?（）ADocking stationBSelf powered USB hubCKVM switchDNon-powered USB hub
单选题After a technician replaces a laptop display, the technician now notices that the wireless no longer works. Which of the following would be the MOST likely cause？（）AThe wireless switch was damaged during the display installation.BThe network card has failed.CThe new display is interfering with the wireless signal.DThe antenna connector was not reconnected.