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單項選擇題

A user is reporting that their computer is making strange noises and randomly powers off. Which of the following tools would MOST likely be used to troubleshoot this problem?（）

A. POST diagnostic card
B. Power supply tester
C. Loop back plug
D. Cable tester

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單項選擇題

Which of the following could cause an NTLDR error on reboot?（）

A. Processor is failing
B. Services failed to start on bootup
C. RAM is faulty
D. Boot.ini file is corrupt

單項選擇題

The user cannot access some Internet websites, but can connect to resources inside the local network. The technician successfully uses the ping command to test the user’s connectivity.
Which of the following commands can the technician run NEXT to troubleshoot the issue?（）

A. net /?
B. ipconfig /flushdns
C. netstat -r
D. nbtstat -R

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