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單項選擇題

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

A. Loopback plug
B. Toner probe
C. Multimeter
D. Cable tester

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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

單項選擇題

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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