单项选择题
A.DSL B.Fiber C.Satellite D.Cable
Which of the following wireless security techniques is ...
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
Which of the following can be hot-swappable?（）A. Hard d...
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
The user turns on the computer and hears a popping soun...
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.
