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
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What is the total number of elements in the grid array?
Look at the following code sample: ``` const int ROWS = 2; const int COLS = 2; int[,] grid = new int[ROWS, COLS]; ``` a. 2 b. 4 c. 8 d. 16
A primary goal of proxy servers is to provide security at the _______________ layer.
Fill in the blank(s) with the appropriate word(s).
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).
Stealing hardware, cutting system cable, or taking application software are examples of what type of attack?
A. Worm B. Physical C. Spyware D. Spoofing