Which one of the following is the very first task executed by a session enabled page?

SESSION HANDLING IN PHP MCQ

• When a session ia active, PHP provides a special constant called
• If you want PHP to transparently handle passing session variables for you when cookies are not available, you have to configure
• A special kind of a file that is located in filesystem of your browser and can be read and write from web server, is calls as
• Using $_SESSION, $HTTP_SESSION_VARS functions can be dangerous, so that you can use
• In PHP, cookies are set by using the
• www-authenticate mechanism works only under the
• What kind of session will maintain its identity as long as user stays within a site?
• A period of time during which a particular person, views a number of web pages at a particular machine is called as
• A function that takes no argument s and return a string, which is unique key corresponding to a particular session
• Name, value, expire, patrh, httponly, domain, secure all of these are arguments of
• To initiate a session which function is used?
• If you want to free all variables in a session, which function you can use
• Which PHP function offers to send raw arbitrary HTTP headers?
• PHP is not configured to transparently pass session IDs in the
• $_SESSION array is one of superglobal variables introduced in
• When value of sessionauto_start ( ) function is zero it means that
• Session_unset ( ) takes
• HTTP protocols by which browsers talk to a web server is
• Meaning of superglobal arrays is it can be
• Secure ( ) argument in setcookie function returns result
• In PHP4.1 and later versions, cookies name/value pair are added to the
• Php.ini file can be viewable by calling
• Which two predefined variables are used to retrieve information from forms?
• The attack which involves the insertion of malicious code into a page frequented by other users is known as
• When you use the $_GET variable to collect data, the data is visible to
• When you use the $_POST variable to collect data, the data is visible to
• Which variable is used to collect form data sent with both the GET and POST methods?
• Which one of the following should not be used while sending passwords or other sensitive information?
• Which function is used to remove all HTML tags from a string passed to a form?
• What will be the value of the variable $input in the following PHP code?
• To validate an email address, which flag is to be passed to the function filter_var()?
• How many validation filters like FILTER_VALIDATE_EMAIL are currently available?
• How many predefined variables does PHP use to authenticate a user?
• Which of the following variables does PHP use to authenticate a user?
• Which of the following PHP function is commonly used when handling authentication via PHP?
• Which function is used to verify whether a variable contains a value?
• Which of the following are types of PHP authentication implementation methodologies?
• In which authentication method does changing the username or password can be done only by entering the code and making the manual adjustment
• The authenticationFile.txt, the file which stores username and password should be stored ___ the server document root
• Which function is used to split a string into a series of substrings, with each string boundary is determined by a specific separator?
• In which of the following situations does file-based authentication become inconvenient
• Which is the most powerful authentication method among the four?
• Which directive determines whether PHP scripts on the server can accept file uploads?
• 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?
• What is the default value of max_input_time directive?
• Since which version of PHP was the directive max_file_limit available
• What is the default value of the directive max_file_limit?
• Which directive sets a maximum allowable amount of memory in megabytes that a script can allow?
• If you want to temporarily store uploaded files in the /tmp/phpuploads/ directory, which one of the following statement will you use?
• Which superglobal stores a variety of information pertinent to a file uploaded to the server via a PHP script?
• How many items are available in the $_FILES array?
• Which function is used to determine whether a file was uploaded?
• What is the full form of DNS?
• Which one of the following function checks for the existence of DNS records?
• Which one of the following function is used to return an array consisting of various DNS resource records pertinent to a specific domain?
• Which one of the following function is used to retrieve the MX records for the domain specified by hostname?
• What is the default port number of HTTPs?
• Which one of the following function returns the port number of a specified service?
• Which one of the following statements can be used to establish port 80 connection with www.nachi.com?
• Which one of the following function is used to send an email using PHP script?
• How many configuration directives pertinent to PHP’s mail function are available?
• Which of the following statements is used to add an attachment to the mail?
• Which one of the following is the very first task executed by a session enabled page?
• How many ways can a session data be stored?
• Which directive determines how the session information will be stored?
• Which one of the following is the default PHP session name?
• If session.use_cookie is set to 0, this results in use of
• If the directive session.cookie_lifetime is set to 3600, the cookie will live until
• Neglecting to set which of the following cookie will result in the cookie’s domain being set to the host name of the server which generated it
• What is the default number of seconds that cached session pages are made available before the new pages are created?
• What is the default time(in seconds) for which session data is considered valid?
• Which one of the following function is used to start a session?
• Which function is used to erase all session variables stored in the current session?
• What will the function session_id() return is no parameter is passed?
• Which one of the following statements should you use to set the session username to Nachi?
• What will be the output of the following PHP code? Say your previous session username was nachi
• An attacker somehow obtains an unsuspecting user’s SID and then using it to impersonate the user in order to gain potentially sensitive information. This attack is known as
• Which parameter determines whether the old session file will also be deleted when the session ID is regenerated?
• Which function effectively deletes all sessions that have expired?
• Which function is used to transform PHP’s session-handler behavior into that defined by your custom handler?
• The session_start() function must appear
• What is the return type of session_set_save_handler() function?
• Which one of the following statements should be used to disable just the fopen(), and file() functions?
• Which one of the following statements should be used to disable the use of two classes administrator and janitor?
• What is the default value of max_execution_time directive? This directive specifies how many seconds a script can execute before being terminated
• The memory_limit is only applicable if ___ is enabled when you configure PHP. Fill in the blank
• Suppose all web material is located within the directory /home/www. To prevent users from viewing and manipulating files such as /etc/password, which one of the following statements should you use?
• Which Apache directive outputs Apache’s server version, server name, port and compile-in modules?
• Which directive determines which degree of server details is provided if the ServerSignature directive is enabled?
• Which directive should we disable to obscure the fact that PHP is being used on our server?
• Say I want to change the extension of a PHP file, which of the following statements should I edit to change from .php to .html in the httpd.conf file?
• The developers of PHP deprecated the safe mode feature as of which PHP version

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