PHP Web Development Test – 2

1. Which of the following variables does PHP use to authenticate a user?

i) $_SERVER['PHP_AUTH_USER'].
ii) $_SERVER['PHP_AUTH_USERS'].
iii) $_SERVER['PHP_AUTH_PU'].
iv) $_SERVER['PHP_AUTH_PW'].

2. In which authentication method does changing the username or password can be done only by entering the code and making the manual adjustment.

3. How many predefined variables does PHP use to authenticate a user?

4. In which of the following situations does file-based authentication become inconvenient.

i) small list
ii) large number of user
iii) users are being regularly added
iv) static authentication

5. Which function is used to verify whether a variable contains a value?

6. Which of the following PHP function is commonly used when handling authentication via PHP?

i) header()
ii) footer()
iii) inset()
iv) isset()

7. Which is the most powerful authentication method among the four?

8. Which function is used to split a string into a series of substrings, with each string boundary is determined by a specific separator?

9. The authenticationFile.txt, the file which stores username and password should be stored ___ the server document root.

10. Which of the following are types of PHP authentication implementation methodologies?

i) Hard-coding a login  pair directly into the script
ii) File-based authentication
iii) Data-based authentication
iv) PEAR'S HTTP authentication