Learning PHP, MySQL, and JavaScript

Test Your Knowledge: Questions

Question 13-1

Why must a cookie be transferred at the start of a program?

Question 13-2

Which PHP function stores a cookie on a web browser?

Question 13-3

How can you destroy a cookie?

Question 13-4

Where are the username and password stored in a PHP program when using HTTP authentication?

Question 13-5

Why is the md5 function a powerful security measure?

Question 13-6

What is meant by “salting” a string?

Question 13-7

What is a PHP session?

Question 13-8

How do you initiate a PHP session?

Question 13-9

What is session hijacking?

Question 13-10

What is session fixation?

See the section Chapter 13 Answers in Appendix A for the answers to these questions.