单项选择题

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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单项选择题

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

单项选择题

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

单项选择题

Which of the following will occur if a laptop SATA 1 drive is installed on a SATA 2 controller?（）

A. The drive will run at the lower SATA 1 speed.
B. The drive will not work due to incompatibility.
C. The drive will run at the higher SATA 2 speed.
D. The drive will have intermittent POST errors.