Which of the following should be used to check a serial port for functionality?（）

A service fails to start. Which of the following places can a technician go to find the services console?（）

A. System configuration utility
B. Device Management
C. Task Manager
D. Computer Management

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Which of the following is a speed enhancement in Windows performance when searching for files?（）

A. Indexing
B. Formatting
C. Disk Cleanup
D. System Restore

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