单项选择题
A technician wants to verify a remote printer that has been power cycled is back online. Thetechnician would use which of the following commands and switch?（）
A. tracert -t
B. ipconfig /renew
C. ping –t
D. nslookup -ttl
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A. Anti-static pad
B. Anti-static wrist strap
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Which of the following tools would be BEST to use to pry open the case of a laptop?（）
A. Metal screwdriver
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A user states that when the user copies files from ‘My Documents’ to a network share, the files are no longer available locally. Which of the following BEST describes the reason the files are no longer visible?（）
A. The user copied to a read-only folder share.
B. The user changed the attributes of the files.
C. The user copied the files from the local My Documents folder.
D. The user moved instead of copied the files.
