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.
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A. Install a USB serial adapter
B. Connect to a USB hub
C. Use an external modem
D. Use an Ethernet card
A. Cable tester
B. Power supply tester
C. Tone generator
D. Multimeter
A. Cable tester
B. Wrist strap
C. Multimeter
D. Loopback plug
A. Flathead screwdriver
B. Plastic shim
C. Metal shim
D. Pliers
A new processor was recently installed on a one year old motherboard, replacing the original processor. The processor is on the motherboard’s supported processor list and was double checked for proper installation. However, the PC refuses to POST properly and displays no video onscreen.
Which of the following is the MOST likely issue?（）
A. Too much thermal paste was used on the processor and it is preventing boot.
B. The motherboard needs to have its PWD jumper removed before the first boot.
C. The motherboard needs to have the most recent BIOS version installed.
D. The motherboard needs to have a newer CMOS chip installed.
A user states that the LCD display on their laptop has intermittent lines on the screen. The technician notices that when the display panel is moved, the line appears and then disappears.
Which of the following is the MOST likely cause?（）
A. The hinge on the display panel is damaged.
B. The display cable is loose or damaged.
C. The display panel is defective.
D. The video controller on the system board is defective.
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?（）
A. StickyKeys is enabled and needs to be disabled.
B. The new keyboard is defective and needs to be replaced.
C. The system board is defective.
D. The keyboard ribbon is not seated properly.
A. Clean the heatsink assembly of debris.
B. Turn the fan off when the AC adapter is attached.
C. Turn the fan to low in the BIOS.
D. Replace the processor and fan.
A.802.11b
B.1284
C.1394
D.802.11g
A. Inverter
B. LCD cable
C. LCD panel
D. System I/O
最新试题
If a technician is traveling outside of the US, which of the following should be checked before setting up a workstation? （）
A technician needs to check which ports are open in the Windows Firewall. Which of the following willallow the technician to view these settings?（）
Which of the following are methods to automatically update the antivirus application?（） (Select TWO).
Which of the following IP addresses would a technician ping to verify the integrity of the local TCP/IP stack?（）
Which of the following commands would create an emergency repair disk for the Windows 2000Professional operating system? （）
A user works daily with video production and needs portable storage which will allow them to transport their work back and forth from home. Taking the users storage and bandwidth requirements into consideration, which of the following would BEST suit the users needs?（）
A technician has just installed an upgraded graphics card. The computers power turns off before itfinishes booting. Which of the following is the cause of the problem? （）
A technician is called for a computer that is not connecting to the network. Which of the following would be the MOST common tool used to identify the issue? （）
A user states they receive a message Boot device not found half of the time they boot their system.Which of the following is the MOST likely cause? （）
A technician notices that the BIOS event log shows a chassis intrusion. Which of the following is theMOST likely reason for the event? （）