Sencha MCQs (Chapterwise Multiple Choice Questions)

Which sentence about Ext.data.Store is TRUE?

Stores cannot be sorted and filtered - in both cases either remotely or locally.

Proxy is required to load or read from Store.

The Store class saves any type of data with out any structures.

The Store class encapsulates a client side cache of Model objects.

Answer & Explanation

Correct Answer: The Store class encapsulates a client side cache of Model objects.

Note: This Question is unanswered, help us to find answer for this one

Class names should be properly namespaced using which notation?

Object property dot

Class property slash

Double colon object

Function rounded set

Answer & Explanation

Correct Answer: Object property dot

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The most basic Sencha application consists of, at least, each the following: the Sencha libraries, ___, JavaScript file containing the apps source code.

a controller

profiles

an index.html file

a css file

Answer & Explanation

Correct Answer: an index.html file

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What is Ext?

Ext is used to access the Classes of Sencha Touch

Ext stands for External Function in Sencha Touch

Ext is a Class name in Sencha Touch

Ext is the global namespace for the whole Sencha Touch framework

Answer & Explanation

Correct Answer: Ext is the global namespace for the whole Sencha Touch framework

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Which of the following would be a proper implementation of createDelayed().

Ext.Function.createDelayed()

Ext.createDelayed()

Function.createDelayed

Ext.createDelayed.Fuction

Answer & Explanation

Correct Answer: Ext.Function.createDelayed()

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What is a listener?

The initial set of data to apply to the tpl to update the content area of the Component

An object or array of objects that will provide custom functionality for this component

A config object containing one or more event handlers to be added to this object during initialization

The term used to describe users of your program

Answer & Explanation

Correct Answer: A config object containing one or more event handlers to be added to this object during initialization

Note: This Question is unanswered, help us to find answer for this one

What two ways can an event component be added?

Inherited from the Ext.Container class or Ext.Component class

On a separate class controller or included as a module

On the view definition itself or on a separate controller class

On the view definition itself or included as a module

Answer & Explanation

Correct Answer: On the view definition itself or on a separate controller class

Note: This Question is unanswered, help us to find answer for this one

All of the configurations for a given Component are listed in the "Config options" section of which page?

Class docs page

Component feature page

List tools page

Object modify page

Answer & Explanation

Correct Answer: Class docs page

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To use Sencha.io Src in its default mode, you must prefix your absolute src attribute with:

touch.API.sencha

http://io.sencha.fix.ly/

http://src.sencha.io/

Ext.IO.sencha

Answer & Explanation

Correct Answer: http://src.sencha.io/

Note: This Question is unanswered, help us to find answer for this one

Which of these is a technique for improving page load times when some browsers are not able to make large numbers of simultaneous requests to servers on the same domain?

Domain cutting

Domain cleaving

Domain fracturing

Domain sharding

Answer & Explanation

Correct Answer: Domain sharding

Note: This Question is unanswered, help us to find answer for this one

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