The _______ is responsible for encapsulating the Model and can also configure a proxy to load or save the data.

What plugin is required for cell editing?

Which of the following is a required config option for grid column?

How is Ext JS licensed?

What object render itself to the document body?

Which of the following is not an Ext layout type?

What is the correct syntax to enable gridpanel text selection?

Which one of the following is the correct syntax in Ext.js to make an ajax request?

What is one advantage of using xtype to create objects in Ext?

The ______ validation verifies if the given value matches the given regular expression.

What is the method to instantiate a class in ExtJS 4.*?