单项选择题

Which of the following describes the 25 or 9 pin connector with male pins on the back of a laptop computer?（）

A. Parallel port
B. Serial port
C. IEEE 1394 port
D. USB port

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单项选择题

A technician notices that there is a second partition on the primary hard drive. This partitionis notassigned a drive letter and is not accessible from Windows. Which of the following is the MOST likely explanation for this extra partition?（）

A. Space reserved by the drive manufacturer for firmware.
B. Space set aside by Windows for use by the virtual memory swap file.
C. A potentially dangerous virus has been downloaded onto the system.
D. A recovery partition put there by the manufacturer.

多项选择题

Which of the following commands verifies connectivity between two hosts?（）

A. chkntfs
B. dxdiag
C. tracert
D. ipconfig
E. ping

单项选择题

Which of the following is needed to perform an ASR restore in Windows XP?（）

A. Operating system CD
B. Recovery console
C. Vendor recovery CD
D. ERD disk