Assume that all variables in the following code are properly declared and that the input is 3 7 4 -1. The output is 13.num = console.nextInt();sum = num;while (num != -1){     num = console.nextInt();     sum = sum + num;}System.out.println(sum);

The most widely used encryption scheme is based on the __________ adopted in 1977 by the National Bureau of Standards as Federal Information Processing Standard 46. ?

Fill in the blank(s) with the appropriate word(s).

Describe the basic differences between the star, ring, and bus topologies.

What will be an ideal response?