单项选择题

After Microsoft Windows boots, a message appears stating that a service failed to start. Which of the following can be used to find more information about this error?（）

A. Disk Manager
B. Control Panel
C. Start Menu
D. Event Viewer

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热门试题

单项选择题

A virus scanner is running on a computer and scans all files currently in use. Why should a full scan be performed periodically?（）

A. Files not accessed recently may contain a virus.
B. A full scan optimizes all files on the hard drive.
C. A full scan resets the archive bit on the file.
D. Active antivirus software only scans the C:\WINDOWS directory.

单项选择题

Which of the following commands will show all active TCP IP network connections?（）

A.PING
B.NETSTAT
C.NET
D.TRACERT