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.

第1题：

The basic units of a computer system are as follows（）。

• A、CPU， memory and disk
• B、CPU， input  and  output  unit
• C、CPU， memory and I/O system
• D、CPU， memory and  ALU

第2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3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.

第4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.

第5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 memory
• B、1.5 times the amount of physical memory
• C、2 times the amount of physical memory
• D、Equal to the amount of physical memory

第6题：

You are the administrator of you company network. A user named Peter requests assistance in his Windows 2000 Professional portable computer. Peter is preparing for his test and wants to optimize the battery life for his portable computer. You want to configure Peter’s computer to save the contents of memory on hard disk and then shutdown when Peter presses the sleep button.  What should you do？ （）

• A、Configure power settings to use the standard option. 
• B、Configure power settings to use the power off option. 
• C、Configure power settings to use the hibernate option. 
• D、Configure power settings to use always on power scheme. 
• E、Configure the computer to use the portable laptop power scheme.

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第13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14题：

Which of the following is best practice when installing memory into a computer?（）

• A、Install memory modules in pairs.
• B、Insure the proper drivers are installed for best performance.
• C、Apply thermal grease to insure proper seating.
• D、Wear an anti-static wrist strap.

第15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.

第16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

第17题：

When a power supply does not meet minimum requirements for a motherboard, which of thefollowing can happen?（）

• A、Computer will not POST
• B、Computer will overheat
• C、Monitor will not power on
• D、Processor will not run at proper speed

第18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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