单选题When a grounding strap is not available, a technician can ground by touching the computer’s:（）A power supply.B CPU fan.C memory chips.D motherboard.

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单选题

When a grounding strap is not available, a technician can ground by touching the computer’s:（）

power supply.

CPU fan.

memory chips.

motherboard.

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第1题

单选题A technician needs to replace a computer’s hard drive. Which of the following should thetechnician do FIRST?（）A Remove network connectionsB Remove the RAMC Self ground on the computer caseD Disconnect power to PC

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第2题

单选题You are the network administrator for your company. A user reports that the USB ports on his Windows 2000 Professional portable computer function only when the portable computer is in its docked position at the office. He asks you to configure the computer so that the USB port works when the portable computer is docked and when it is undocked and running on battery power. You verify that the portable computer supports ACPI power management. What should you do？（）A Modify the portable computer’s power management settings to ensure the USB ports are not shut down when the computer is running on battery power. B Modify the portable computer’s BIOS settings to disable ACPI when the computer is running on battery power. C Modify the portable computer’s undocked hardware profile, and enable the USB root hub. D Disable the BIOS power management features in the portable computer’s BIOS settings. E Obtain external power supplies for the user’s USB devices. Ensure that these power supplies are connected when the portable computer is undocked. F Undock the portable computer, and reinstall the drivers for the USB port.

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第3题

单选题A user is receiving an error about not having enough virtual memory. A technician wants to manually set the amount of available virtual memory for the computer. At a MINIMUM， the technician should set the virtual memory to be which of the following？（）A 0.5 times the amount of physical memoryB 1.5 times the amount of physical memoryC 2 times the amount of physical memoryD Equal to the amount of physical memory

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第4题

单选题A technician has just completed a CPU upgrade on a motherboard. Which of the following will MOST likely cause the PC not to boot?（）A The technician used generic thermal paste.B The processor had pins broken during installation.C The memory is incompatible with the new CPU.D An incorrect fan size was installed on the heatsink.

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第5题

单选题A technician is dispatched to install additional RAM in a computer. The technician unplugs thesystem from the power source, and removes the cover of the PC. Which of the following shouldthe technician do NEXT?（）A Update the BIOS for compatibility.B Put on an ESD strap.C Use an anti-static bag to hold the RAM while installing.D Clean out the PC with compressed air.

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第6题

单选题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.

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第7题

单选题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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单选题When a grounding strap is not available, a technician can ground by touching the computer’s:（）A power supply.B CPU fan.C memory chips.D motherboard.

题目内容(请给出正确答案)

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