單項選擇題

Which of the following uses pair authentication to provide a wireless connection between twodevices?（）

A. 802.11n
B. Bluetooth
C. Infrared
D. Cellular

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單項選擇題

Which of the following commands can be used to verify the gateway IP address on a localcomputer?（）

A. net use
B. telnet
C. ping
D. ipconfig

單項選擇題

Which of the following occurs during POST?（）

A. OS loads
B. Safe Mode starts
C. RAM check
D. MBR check