Which of the following has a maximum transfer rate of 54Mbps and operates at the 5GHz frequency?
A. 802.11a
B. 802.11b
C. 802.11g
D. 802.11
Answer: A. 802.11a
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Match the following keyboard shortcuts in many programs with their function:
I. Ctrl+C II. Ctrl+V III. Ctrl+Z IV. Ctrl+X V. Ctrl+A A. Copy B. Paste C. Select all D. Undo E. Cut
How many different Microsoft Windows file types can be infected with a virus?
A. 50 B. 60 C. 70 D. 80
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