Which of the following wireless networking standards operates at only 5GHz?

A. 802.11a
B. 802.11b
C. 802.11g
D. 802.11n


Answer: A. 802.11a

Computer Science & Information Technology

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A primary goal of proxy servers is to provide security at the _______________ layer.

Fill in the blank(s) with the appropriate word(s).

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When creating a CSS-based layout, it's a good idea to create and style a(n) ____________________ that will act as a container for the others on the page.

Fill in the blank(s) with the appropriate word(s).

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Stealing hardware, cutting system cable, or taking application software are examples of what type of attack?

A. Worm B. Physical C. Spyware D. Spoofing

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