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?

Which parameter is passed to a url to show module positions:

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

Which file does the ‘ /includes’ directory NOT contain?

Joomla can be installed manually from source code on a system running a web server which supports __________applications.