单项选择题
Which of the following wireless networking standards can operate at two different frequenciessimultaneously?（）
A.802.11a
B.802.11b
C.802.11g
D.802.11n
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多项选择题
Which of the following settings is MOST likely to be controlled through the use of a laptop’sFunction (Fn) key?（）
A. Wireless
B. Brightness
C. Sleep Mode
D. NumPad
E. Power -
单项选择题
Which of the following display types is likely to draw the LEAST amount of power?（）
A.LCD
B.LED
C.CRT
D.Plasma -
单项选择题
Which of the following technologies is responsible for communication with the CPU?（）
A. eSATA
B. PCI express
C. Southbridge
D. Northbridge
