Compared with PAP, CHAP provides a much more simple authentication process.

What is displayed by the C++ statements that follow if the value input is 0?

``` cin >> color; switch (color) { case 0: case 1: cout << "red "; case 2: cout << "blue "; case 3: cout << "green "; case 4: cout << "yellow "; } cout << endl; ``` a. no output b. red c. yellow d. red blue green yellow

Write a script that asks the user to enter two numbers, obtains the two numbers from the user and outputs HTML text that displays the sum, product, difference and quotient of the two numbers. Use the techniques shown in Fig. 13.6.

What will be an ideal response?