The __________ form factor features a touchscreen that covers most of the device's surface.

Show the output of the following code

``` public class Test1 { public static void main(String[] args) { System.out.println(f2(2, 0)); } public static int f2(int n, int result) { if (n == 0) return 0; else return f2(n - 1, n + result); } }``` a. 0 b. 1 c. 2 d. 3

What should you do when you have several wireless devices, all with different power levels, and one or more of the devices are having difficulty communicating?

A. increase the APs power level B. match the AP power level with the lowest-powered device C. employ multiple APs D. shut down the highest powered devices