Olete.in – MCQs, Mock Tests & Government Job Prep | Apache Flex Apache Flex MCQ Questions Answers Set 1

How will you call Java method from Flex?

1. MessageService
2. Crossdomain
3. Above all
4. RemoteObject

✅ Correct Answer: 4

You would use this syntax to embed asset.png in a StyleSheet:

1. [Embed(source= "asset.png")
2. [Embed("asset.png")]
3. Embed('asset.png')
4. @Embed("asset.png")

✅ Correct Answer: 3

Which class lets you work directly with the pixels of a Bitmap object?

1. BitmapEncodingColorSpace
2. BitmapData
3. Bitmap
4. BitmapDataChannel

✅ Correct Answer: 3

Which is an example of two-way binding?

1. <s:TextInput text="@{someData}"/>
2. <s:TextInput text="{someData}"/>
3. <s:TextInput="{someData}"/ >
4. <s:TextInput="@someData">

✅ Correct Answer: 1

Which of the following allows you to refer to the top-level application object from anywhere in the application?

1. FlexGlobals.topLevelApplication
2. UIComponent.topLevelApplication
3. FlexGlobals.parentApplication
4. UIComponent.parentApplication

✅ Correct Answer: 1

Flex 4 introduced a new skinning and component architecture known as what?

1. DMX✖
2. Flash
3. Halo
4. Spark

✅ Correct Answer: 4

MVC is a useful Flex development pattern. What does MVC stand for?

1. Most Valuable Customer
2. Most VGroup Containers
3. Modem-Vista-Cairngorm
4. Model-View-Controller

✅ Correct Answer: 4

What is the name of the scripting language used with Flex?

1. NoScript
2. ActionScript
3. PHP
4. JavaScript

✅ Correct Answer: 2

How do you declare an actionscript private variable?

1. var variableType:variableName
2. var variableType variableName
3. private var variableName:variableType
4. None of these

✅ Correct Answer: 3

What is the file extension of a compiled Flex project?

1. .css
2. .flv
3. .swf
4. .fla

✅ Correct Answer: 3

When do you use try..catch..finnaly statements?

1. On customs classes
2. On customs events
3. On error handling
4. On functions definitions

✅ Correct Answer: 3

Which is not a container type?

1. Application
2. Array
3. Group
4. Panel

✅ Correct Answer: 2

What method is used to register an event handler for a component?

1. registerEventListener()
2. beginEventListener()
3. addEventListener()
4. startEventListener()

✅ Correct Answer: 3

What is the application container for an AIR application?

1. VGroup
2. WindowedApplication
3. Group
4. Application

✅ Correct Answer: 2

Where do you declare non-visual MXML elements in a flex component or application?

1. Inside <fx:Scripts> tag
2. Inside <fx:Group> tag
3. Inside <fx:Definitions> tag
4. Inside <fx:Declarations> tag

✅ Correct Answer: 4

Which property should have the same value for all radio buttons in a radio button group?

1. id
2. click
3. groupName
4. label

✅ Correct Answer: 3

Which tag enables you to enter ActionScript blocks inside an MXML file?

1. <s:Ascript>
2. <fx:ActionScript>
3. <fx:AScript>
4. <fx:Script>

✅ Correct Answer: 4

Which of the following containers allow you to position components using x,y, coordinates?

1. Group
2. VGroup
3. HGroup
4. TileGroup

✅ Correct Answer: 1

How do you remove a pop up using PopUpManager?

1. PopUpManager.removePopUp('popUpComponent')
2. PopUpManager.destroyPopUp('popUpComponent')
3. PopUpManager.deletePopUp('popUpComponent')
4. PopUpManager.closePopUp('popUpComponent')

✅ Correct Answer: 1

When is it better to use E4X specification?

1. When working with XML
2. When working with binary data
3. When working with HTML responses
4. When working with JSon objects

✅ Correct Answer: 1

What event is dispatched when a component and its children are fully processed and visible?

1. initialize
2. creationComplete
3. applicationComplete
4. preinitialize

✅ Correct Answer: 2

What is a SWC file?

1. Class library containing components and other assets.
2. Flex project file.
3. File used to specify compiler options.
4. Compiled Flex application.

✅ Correct Answer: 1

RIAs stands for:

1. Regular Internet Applications
2. Rich Internet Applications
3. Recursive Internal Applications
4. Rigid Internal Applications

✅ Correct Answer: 2

The tree of all visible objects in a Flex application is known as what?

1. Container
2. Display list
3. Object
4. Class

✅ Correct Answer: 2

When you add a new display object with ActionScript, it will not be displayed until you do what?

1. Add the new object as a child of a container.
2. Create a custom event to display the object.
3. Add an event listener for the object.
4. Load the object into the application.

✅ Correct Answer: 1

Which Spark class is used to specify absolute positioning for the children of a container?

1. TileLayout
2. BasicLayout
3. VerticalLayout
4. HorizontalLayout

✅ Correct Answer: 2

Which of the following is not a Drop Target Event?

1. dragOver
2. dragEnter
3. dragDrop
4. mouseDown

✅ Correct Answer: 4

If you want to take a user's text input and redisplay it as a date, which type of component should you use?

1. validator
2. collection
3. formatter
4. grid

✅ Correct Answer: 3

What is the mechanism included in AIR to manipulate data from a data base file?

1. PLSQL
2. SQLServer
3. MySQL
4. SQLLite

✅ Correct Answer: 4

All user interface components in Flex extend what class?

1. Sprite
2. Bitmap
3. InteractiveObject
4. UIComponent

✅ Correct Answer: 4

An Apache Flex committer CAN

1. Commit code to the Apache Flex Git repository
2. Vote in new Apache Flex committers
3. Vote in new Apache Flex PMC members
4. Cast binding votes on an Apache Flex release candidate

✅ Correct Answer: 1

In order to create in inline item render you must place what inside of the <s:itemRender> tag?

1. <fx:script>
2. <fx:component>
3. <s:GridColumn>
4. <s:GridColumn>

✅ Correct Answer: 2

What can you use to pass variables into a .swf application from the HTML wrapper?

1. FlashVars
2. HTMLVars
3. ParamObjs
4. FlashParams

✅ Correct Answer: 1

Where do you have to place a cross-domain-policy file?

1. At the root directory of your application
2. At the libs directory of your application
3. At the root directory of the server
4. There's no such thing as cross-domain-policy file

✅ Correct Answer: 3

How do you become an Apache Flex committer?

1. Add JIRA entries and patches
2. All of the other answers
3. Voted in by the Apache Flex PMC
4. Contribute to discussions on the mailing lists

✅ Correct Answer: 2

The third and final phase of Flex event flow is known as what?

1. listening
2. bubbling
3. target
4. capture

✅ Correct Answer: 2

If you want a class property to be visible to references in the same class and derived classes, which attribute should you assign it?

1. public
2. static
3. private
4. protected

✅ Correct Answer: 4

Which of the following is the RPC service used to connect to Java objects?

1. HTTPObjects
2. HTTPServices
3. RemoteObjects
4. WebServices

✅ Correct Answer: 3

If the use-network compiler option is set to false, which of the following can the application do?

1. Access no resources in the local file system or over the network.
2. Access resources both in the local file system and over the network.
3. Access resources over the network, but not in the local file system.
4. Access resources in the local file system, but not over the network.

✅ Correct Answer: 4

Which tag is used to declare non-default, non-visual properties of the current class?

1. <s:Nonvisual>
2. <fx:Declarations>
3. <mx:Declarations>
4. <fx:Properties>

✅ Correct Answer: 2

Which of the following statements would allow you to access the MouseEvent class?

1. import flash.events.*;
2. include "allevents.as";
3. import flash.events.mouse;
4. import spark.events;

✅ Correct Answer: 1

How do you accomplish data persistence in a Flex client?

1. Using cookies
2. Using <fx:Model>
3. Using <s:Model>
4. Using shared objects

✅ Correct Answer: 4

If the current view state is not specified when an application loads, what is the default view state?

1. Name of the first view state defined by the <s:states> tag.
2. Name of the last view state defined by the <s:states> tag
3. . View state when the application was last closed.
4. No default state.

✅ Correct Answer: 1

What are the three (3) RCP services allowed in flex?

1. HTTPService, RemoteService, SOAPService
2. HTTPService, RemoteService, WebService
3. HTTPService, RemoteObject, WebService
4. HTTPService, RemoteObject, SOAPService

✅ Correct Answer: 3

Who has access to Apache Flex code base?

1. Adobe staff
2. Apache staff
3. Apache Flex committers
4. Anyone

✅ Correct Answer: 4

Which method would you use to add a component to an MX container?

1. addNew()
2. addElement()
3. addComponent()
4. addChild()

✅ Correct Answer: 4

To prevent an application to be blocked when working with local database, you must:

1. open the database in Synchronous mode
2. open the database in Asynchronous mode
3. both (a) and (b)
4. None of These

✅ Correct Answer: 2

To implement a two way binding of a text property you would use:

1. text="@{fieldX.text}"
2. text="@[fieldX.text]"
3. text="{@filedX.text}"
4. text="[@fieldX.text]"

✅ Correct Answer: 1

Which application property allows you to specify the XML namespace for a custom component package?

1. namespace
2. xmlns
3. xmlnamespace
4. xmlspace

✅ Correct Answer: 2

If you want users to be able to enter and edit multiline text, which of these Spark controls should you use?

1. RichText
2. TextInput
3. TextArea
4. Label

✅ Correct Answer: 3