单选题What is the FIRST step in diagnosing a completely dead computer that was working fine the day before？（）A remove all peripherals and reinstall them one at a timeB replace the CMOS batteryC check the AC power cord and verify the power sourceD back up the

第1题：

A technician turns on a PC and before the computer boots up, the technician is prompted for apassword. The technician does not know the password. Which of the following can the techniciando to allow access to the PC?（） (Select TWO).

• A、Set the clear password jumper on the motherboard
• B、Enter the BIOS setup and select the clear password setting
• C、Remove the power cord from the power supply and then plug it back in
• D、Power cycle the PC
• E、Remove the CMOS battery for 15 minutes

第2题：

A customer states their computer was fine until yesterday when they heard a pop noise and thecomputer stopped working. Which of the following components should the technician test FIRST?（）

• A、Main system board
• B、Processor
• C、Hard disk drive
• D、Power supply

第3题：

The technician has replaced a power supply with an identical power supply, and now the high end graphics card is not working. Which of the following should the technician check?（）

• A、The memory
• B、The CMOS battery
• C、The PCIe power jack
• D、The processor for chip creep

第4题：

What is the FIRST step in diagnosing a completely dead computer that was working fine the day before？（）

• A、remove all peripherals and reinstall them one at a time
• B、replace the CMOS battery
• C、check the AC power cord and verify the power source
• D、back up the entire hard drive

第5题：

After booting up a new computer， a technician observes that the USB ports are not working with any USB devices. Which of the following should be done FIRST？（）

• A、Check the computer to verify that the jumper settings for USB are correct.
• B、Connect the USB devices to a different computer to test the devices.
• C、Buy new USB wires and test USB functionality.
• D、Check the BIOS to verify that USB functionality is enabled.

第6题：

What is the FIRST and most important step in system troubleshooting？（）

• A、back up the system data
• B、gather information about the problem
• C、try rebooting the system to see if that fixes the problem
• D、check the System Error Log or Event Log

第7题：

A Windows 2003 Server is no longer able to access its internal SCSI drive. The cables are connected, the drive has power, and the drive shows up in Device Manager; however, the My Computer window does not show the drive that was previously working and formatted with NTFS. Which of the following would be the FIRST step in regaining access to the drive?（）

• A、Reformat the NTFS partition.
• B、Recreate the partition that was deleted.
• C、Rewrite the MBR.
• D、Run a check disk on the drive

第8题：

A technician needs to replace a computer’s hard drive. Which of the following should thetechnician do FIRST?（）

• A、Remove network connections
• B、Remove the RAM
• C、Self ground on the computer case
• D、Disconnect power to PC

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第13题：

A technician has installed a new motherboard in a workstation, but after hardware tests, themotherboard has failed. Which of the following should the technician do FIRST before replacingthe motherboard? （）

• A、Reseat all power connections.
• B、Remove the CMOS battery.
• C、Install the graphics card.
• D、Ground to the case.

第14题：

A laptop operates on battery power when connected with an AC adapter. Once the battery discharges, the computer turns off and will not turn back on. Which of the following are the MOST likely causes of the laptop issue? （）(Select TWO).

• A、The LCD monitor’s power inverter does not function properly.
• B、The operating system’s power settings prevent the battery from charging.
• C、The battery is not compatible with the laptop.
• D、The internal power connection on the motherboard is faulty.
• E、The power adapter is not working.

第15题：

which of the following actions will you not take before beginning installation or removal of anyNON-PNP hardware device inside the computer case?（）

• A、Place all the hardware components in static proof bags.
• B、Remove all the jumpers from the motherboard.
• C、Switch off the main power and remove the power cord
• D、Use an anti-static wrist strap.
• E、Turn off the computer.
• F、Place the computer on the anti-static mat

第16题：

A technician is troubleshooting a monitor displaying a blank screen and the power indicator light ison. Which of the following should the technician do next?（）

• A、Test the computer with a known-good monitor.
• B、Check if the monitor is still covered under the manufacturer’s warranty.
• C、Replace the monitor’s power cord with a known-good power cord.
• D、Swap out the computer’s video card.

第17题：

A computer boots up with the error "CMOS Checksum Failure." Which of the following components needs to be replaced？（）

• A、power supply
• B、CMOS chip
• C、motherboard
• D、CMOS battery

第18题：

An administrator is working on a rack mount server with all newly installed equipment. Theuninterruptible power supply （UPS） in the rack starts beeping loudly. Which of the following is the FIRST troubleshooting step that should be taken？（）

• A、Ensure that the power cable for the UPS is plugged in.
• B、Ensure the battery in the UPS is still good.
• C、Check the smart cable connecting the UPS to the server.
• D、Reset the UPS to determine if the problem persists.

第19题：

Mike, a technician, is working on a computer and the air is dry. Which of the following choices is the BEST option for Mike to use?（）

• A、Use a portable anti-static pad and wrist strap, ensuring all components remain on the mat, and the wrist strap is connected to the mat.
• B、Leave the computer plugged in and running, to stabilize the power, and keep one hand on the case at all times while working on the unit.
• C、Use a wrist strap, connecting it to the computer case. Leave the computer plugged into the outlet for grounding.
• D、Advise the customer it is best if the computer is taken back to the shop for repair, so it will be in a controlled temperature environment.

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