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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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
Computer Science & Information Technology
A primary goal of proxy servers is to provide security at the _______________ layer.
Fill in the blank(s) with the appropriate word(s).
Computer Science & Information Technology
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).
Computer Science & Information Technology
Stealing hardware, cutting system cable, or taking application software are examples of what type of attack?
A. Worm B. Physical C. Spyware D. Spoofing
Computer Science & Information Technology