Which of the following commands is used to get a model in the controller.php file of a component?

'$mainframe object' is an instance of which of the following classes?

Is it compulsory to use the tag in Component's installation xml file?

What are the menu item types in Joomla?

In the User manager, which Public Front-end User group(s) cannot edit articles?

Which of the following commands is used to get a POST/GET parameter to work in Joomla 1.5?

Backups are done automatically by Joomla?

Joomla's admin username can be easily changed with a simple query on __________.

Which Joomla components or modules is not installed by default?

How does one view an article's source code while in edit mode?

What are Extensions?