IEEE 802.11 WLANs have more collisions than wired Ethernet networks.
Answer the following statement true (T) or false (F)
False
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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.
In Windows 8, what does swipe do?
A) Performs a primary action B) Pans across the screen C) Rotates something D) Selects something
Redundant backups are the least secure.
Answer the following statement true (T) or false (F)
Describe the four common OLAP operations for querying data. Provide an example of each operation using the OLAP cube in Figure 33.2.
