单项选择题

Which of the following commands would be used to display hidden files?（）

A. dir /?
B. dir /d
C. dir /a
D. dir /s

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单项选择题

A technician has a user that consistently picks up viruses and malware no matter what kind ofsoftware is installed to prevent infection. Which of the following should be a cost-effective logical step in preventing future infections?（）

A. Place the user behind a high end NIPS device.
B. Migrate the user to a Virtual Machine environment.
C. Educate the user on browsing habits.
D. Install multiple antivirus programs on the machine to decrease the chances for infection.

单项选择题

Which of the following commands would be used to verify and troubleshoot DNS settings of aparticular host on a Windows computer?（）

A.TRACERT
B.NSLOOKUP
C.CHKDSK
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单项选择题

Several users report that they are unable to print to a new printer recently installed. The technician is unable to ping the printer. Which of the following is the MOST likely cause?（）

A. No IP address on the printer
B. Paper jam in the paper feed tray
C. Improper DNS settings on the printer
D. Broken LCD screen on the printer

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