IEEE 802.11 WLANs have more collisions than wired Ethernet networks.

Answer the following statement true (T) or false (F)


False

Computer Science & Information Technology

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Analyze the following code:

``` public class Test { public static void main(String[] args) { boolean[][] x = new boolean[3][]; x[0] = new boolean[1]; x[1] = new boolean[2]; x[2] = new boolean[3]; System.out.println("x[2][2] is " + x[2][2]); } }``` a. The program has a compile error because new boolean[3][] is wrong. b. The program has a runtime error because x[2][2] is null. c. The program runs and displays x[2][2] is null. d. The program runs and displays x[2][2] is true. e. The program runs and displays x[2][2] is false.

Computer Science & Information Technology

In Windows 8, what does swipe do?

A) Performs a primary action B) Pans across the screen C) Rotates something D) Selects something

Computer Science & Information Technology

Redundant backups are the least secure.

Answer the following statement true (T) or false (F)

Computer Science & Information Technology

Describe the four common OLAP operations for querying data. Provide an example of each operation using the OLAP cube in Figure 33.2.

Computer Science & Information Technology