Write a recursive method to compute the power of x n for non-negative n.

What will be an ideal response?

```
public static int power(int x, int n)
{
if(n < 0)
{
System.out.println("Illegal argument to power");
System.exit(0);
}
if(n > 0)
return (power(x, n-1) * x);
else
return(1); //base case
}

```

Computer Science & Information Technology

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Which of the following is an example of a denial-of-service attack?

A. Clicking a link in an e-mail that happens to contain malware B. Installing a keylogger on a system in an attempt to collect usernames and passwords C. Flooding a system with ping requests in an attempt to take it down D. View medical records to satisfy one's curiosity

Computer Science & Information Technology

The Linux basename utility has an optional second argument. If you give the command basename path suffix, basename removes the suffix and the prefix from path:

$ basename src/shellfiles/prog.bash .bash prog $ basename src/shellfiles/prog.bash .c prog.bash

Computer Science & Information Technology