Which of the following ports is BEST to use when adding……

单项选择题After plugging in and installing drivers for a wireless bar code reader, which of the following is the LAST step needed to configure the device?（）

A. Install an inventory tracking application.
B. Scan the bar code on the reader’s cradle.
C. Enable the device in Device Manager.
D. Remove any temporary device drivers.

单项选择题Which of the following technologies has the HIGHEST potential throughput?（）

A.DSL
B.Fiber
C.Satellite
D.Cable

单项选择题Which of the following wireless security techniques is the MOST secure?（）

A. Enable Wired Equivalent Privacy
B. Disable SSID broadcast
C. Enable Wi-Fi Protected Access
D. Enable MAC filtering

单项选择题Which of the following can be hot-swappable?（）

A. Hard drive
B. Tape drive
C. Floppy drive
D. DVD-RW

单项选择题The user turns on the computer and hears a popping sound and detects a burning smell. Thesystem will not power on. Which of the following is the MOST likely problem?（）

A. Power supply has blown.
B. CPU fan is faulty.
C. Motherboard has overheated and shutdown.
D. UPS has been tripped.