Which is the correct procedure to uninstall a Joomla extension?

Which of the following functions checks if a user has the access permission?

In the Media Manager, which of the following file types can be uploaded?

By default, the SEF URLs are handled by the theJRouterSite object (from /includes/router.php) and is called by a call to the JApplication::route() in index.php. This call is made on the $mainframe variable which is actually an instance of JSite (from /includes/application.php). Does the JApplication::route() change the result of the $_GET array?

Consider the following code: $db =&JFactory::getDBO(); $query ='DELETE FROM #__users WHERE username = '; SELECT count(*) FROM #__users WHERE username = '; ' $db->setQuery($query); echo $db->loadResult(); What is the output?

For content type plug-ins, which of the following events is activated after content rendering is complete?

How do you take a site off-line?

Who are capable of changing attributes in Global Configuration?

The index.php file is a combination of HTML and PHP code.

Where should a developer begin looking for information regarding Joomla!?

The term 'ACL' is used in Joomla to refers to: