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220-702單項選擇題每日一練(2019.01.18)

單項選擇題
Which of the following utilities, in Windows, can be configured to perform automatic disk defragmentation?（）
A. Task Scheduler
B. Disk Defragmenter Tool
C. Task Manager
D. Disk Manager
單項選擇題
When Bob, a technician, powers up a desktop PC, the unit will repeat three short beeps and will not POST. Which of the following is MOST likely the problem?（）
A. The memory is failing.
B. The CPU is overheating.
C. The hard drive is not attached properly.
D. The operating system is not installed.
單項選擇題
A technician notices a machine’s performance has degraded. The machine has constant errorswhen trying to read data from the drive. Which of the following should be used to repair the disk errors?（）
A.DEFRAG
B.MSCONFIG
C.EDIT
D.CHKDSK
單項選擇題
Which of the following is the proper order for powering off and on network components?（）
A. Computer> cable modem > router
B. Cable modem> router> computer
C. Cable modem> computer> router
D. Router> cable modem> computer
單項選擇題
A user reports that the computer’s hard drive is constantly running and the hard drive light is constantly flashing. Which of the following tools would be used to resolve this issue without losing data?（）
A.chkdsk
B.fdisk
C.defrag
D.format

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