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

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Q. 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’].

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

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

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

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Q. 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

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

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

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

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Q. 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

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

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Q. Which directive determines whether PHP scripts on the server can accept file uploads?

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Q. Which of the following directive determines the maximum amount of time that a PHP script will spend attempting to parse input before registering a fatal error?

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Q. What is the default value of max_input_time directive?

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Q. Since which version of PHP was the directive max_file_limit available.

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Q. What is the default value of the directive max_file_limit?

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Q. Which directive sets a maximum allowable amount of memory in megabytes that a script can allow?

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Q. If you want to temporarily store uploaded files in the /tmp/phpuploads/ directory, which one of the following statement will you use?

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Q. Which superglobal stores a variety of information pertinent to a file uploaded to the server via a PHP script?

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Q. How many items are available in the $_FILES array?

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Q. Which function is used to determine whether a file was uploaded?

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