Q: Which one of the following is the very first task executed by a session enabled page?
Solution: The session variables are set with the PHP global variable which is $_SESSION. The very first task executed by a session enabled page is Check whether a valid session exists.
Q: How many ways can a session data be stored?
Solution: Within flat files(files), within volatile memory(mm), using the SQLite database(sqlite), or through user defined functions(user).
Q: Which directive determines how the session information will be stored?
Solution: The class SessionHandler is used to wrap whatever internal save handler is set as defined by the session.save_handler configuration directive which is usually files by default.
Q: Which one of the following is the default PHP session name?
Solution: You can change this name by using the session.name directive.
Q: If session.use_cookie is set to 0, this results in use of _____________
Solution: The URL rewriting allows to completely separate the URL from the resource. URL rewriting can turn unsightly URLs into nice ones with a lot less agony and expense than picking a good domain name. It enables to fill out your URLs with friendly, readable keywords without affecting the underlying structure of pages.
Q: If the directive session.cookie_lifetime is set to 3600, the cookie will live until ________
Solution: The lifetime is specified in seconds, so if the cookie should live 1 hour, this directive should be set to 3600.
Q: 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.
Solution: The directive session.cookie_domain determines the domain for which the cookie is valid.
Q: What is the default number of seconds that cached session pages are made available before the new pages are created?
Solution: The directive which determines this is session.cache_expire.
Q: What is the default time(in seconds) for which session data is considered valid?
Solution: The session.gc_maxlifetime directive determines this duration. It can be set to any required value.
Q: Which one of the following function is used to start a session?
Solution: A session is started with the function session_start() . The session variables are set with the PHP global variable which is $_SESSION.
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