Elance Apache Flex Test Answers 2015
·
True or False? You can apply skins to
components using CSS.
True
FALSE
How will you call Java method from Flex?
Httpservice
RemoteObject
Above all
MessageService
Crossdomain
True or False? You CANNOT load a compiled Flex
application (.swf) into another Flex application.
True
False
What is the file extension of a compiled Flex
project?
.css
.swf
.flv
.fla
What is the name of the scripting language
used with Flex?
ActionScript
NoScript
JavaScript
PHP
MVC is a useful Flex development pattern. What
does MVC stand for?
Model-View-Controller
Modem-Vista-Cairngorm
Most Valuable Customer
Most VGroup Containers
Flex 4 introduced a new skinning and component
architecture known as what?
DMX
Spark
Halo
Flash
True of False? You can use regular expressions
to validate data.
True
False
What method is used to register an event
handler for a component?
startEventListener()
addEventListener()
beginEventListener()
registerEventListener()
True or False? Display objects created with
MXML tags are automatically added to the display list.
True
FALSE
What is the application container for an AIR
application?
VGroup
Group
Application
WindowedApplication
Which is not a container type?
Application
Panel
Group
Array
How do you declare an actionscript private
variable?
private var variableName:variableType
var variableType:variableName
var variableType variableName
When do you use try..catch..finnaly
statements?
On customs events
On functions definitions
On customs classes
On error handling
True or False? ActionScript is an
Object-Oriented Programming (OOP) language.
FALSE
True
True or False? The Flex pop up component can
be modal or no modal.
True
False
Which tag enables you to enter ActionScript
blocks inside an MXML file?
<fx:ActionScript>
<fx:AScript>
<s:Ascript>
<fx:Script>
True or False? Flex is an open source
application development framework.
True
False
Which property should have the same value for
all radio buttons in a radio button group?
groupName
label
id
click
Where do you declare non-visual MXML elements
in a flex component or application?
Inside <fx:Declarations> tag
Inside <fx:Group> tag
Inside <fx:Scripts> tag
Inside <fx:Definitions> tag
True or False? You can compile an AIR
application as native installers (.exe,.dmg, .deb)
False
True
How do you remove a pop up using PopUpManager?
PopUpManager.deletePopUp('popUpComponent')
PopUpManager.removePopUp('popUpComponent')
PopUpManager.closePopUp('popUpComponent')
PopUpManager.destroyPopUp('popUpComponent')
Which of the following containers allow you to
position components using x,y, coordinates?
Group
TileGroup
HGroup
VGroup
Apache Flex is a top level Apache Software
Foundation project?
False
True
The tree of all visible objects in a Flex
application is known as what?
Container
Object
Class
Display list
When is it better to use E4X specification?
When working with XML
When working with binary data
When working with HTML responses
When working with JSon objects
What event is dispatched when a component and
its children are fully processed and visible?
applicationComplete
initialize
creationComplete
preinitialize
RIAs stands for:
Regular Internet Applications
Recursive Internal Applications
Rich Internet Applications
Rich Intranet Applications
What is a SWC file?
Flex project file.
Class library containing components and other
assets.
File used to specify compiler options.
Compiled Flex application.
All user interface components in Flex extend
what class?
Sprite
UIComponent
Bitmap
InteractiveObject
Which of the following allows you to refer to
the top-level application object from anywhere in the application?
FlexGlobals.topLevelApplication
FlexGlobals.parentApplication
UIComponent.topLevelApplication
UIComponent.parentApplication
Which class lets you work directly with the
pixels of a Bitmap object?
BitmapDataChannel
Bitmap
BitmapEncodingColorSpace
BitmapData
Which Spark class is used to specify absolute
positioning for the children of a container?
TileLayout
BasicLayout
VerticalLayout
HorizontalLayout
When you add a new display object with
ActionScript, it will not be displayed until you do what?
Create a custom event to display the object.
Load the object into the application.
Add an event listener for the object.
Add the new object as a child of a container.
If you want to take a user's text input and
redisplay it as a date, which type of component should you use?
collection
validator
formatter
grid
Which of the following is not a Drop Target
Event?
dragOver
dragDrop
dragEnter
mouseDown
True or False? MXML is interpreted by browsers
in much the same way as HTML.
False
TRUE
What can you use to pass variables into a .swf
application from the HTML wrapper?
FlashParams
HTMLVars
FlashVars
ParamObjs
What is the mechanism included in AIR to
manipulate data from a data base file?
SQLServer
SQLLite
PLSQL
MySQL
An Apache Flex committer CAN
Commit code to the Apache Flex Git repository
Vote in new Apache Flex PMC members
Cast binding votes on an Apache Flex release
candidate
Vote in new Apache Flex committers
In order to create in inline item render you
must place what inside of the <s:itemRender> tag?
<fx:script>
<fx:component>
<s:GridColumn>
<s:GridColumn>
Where do you have to place a
cross-domain-policy file?
At the root directory of your application
At the root directory of the server
At the libs directory of your application
There's no such thing as cross-domain-policy file
True or False? Flex applications allow deep
linking.
False
True
How do you become an Apache Flex committer?
Contribute to discussions on the mailing lists
All of the other answers
Voted in by the Apache Flex PMC
Add JIRA entries and patches
Contribute to the wiki or web site
The third and final phase of Flex event flow
is known as what?
listening
target
capture
bubbling
Which tag is used to declare non-default,
non-visual properties of the current class?
<mx:Declarations>
<fx:Properties>
<s:Nonvisual>
<fx:Declarations>
Which is an example of two-way binding?
<s:TextInput="@someData">
<s:TextInput text="@{someData}"/>
<s:TextInput text="{someData}"/>
<s:TextInput="{someData}"/ >
Which of the following statements would allow
you to access the MouseEvent class?
import flash.events.*;
import flash.events.mouse;
include "allevents.as";
import spark.events;
If you want a class property to be visible to
references in the same class and derived classes, which attribute should you
assign it?
protected
static
public
private
Which of the following is the RPC service used
to connect to Java objects?
HTTPObjects
WebServices
RemoteObjects
HTTPServices
If the use-network compiler option is set to
false, which of the following can the application do?
Access resources in the local file system, but not
over the network.
Access resources over the network, but not in the
local file system.
Access no resources in the local file system or
over the network.
Access resources both in the local file system and
over the network.
What are the three (3) RCP services allowed in
flex?
HTTPService, RemoteService, WebService
HTTPService, RemoteObject, SOAPService
HTTPService, RemoteService, SOAPService
HTTPService, RemoteObject, WebService
If the current view state is not specified
when an application loads, what is the default view state?
No default state.
Name of the first view state defined by the <s:states>
tag.
Name of the last view state defined by the
<s:states> tag.
View state when the application was last closed.
Who has access to Apache Flex code base?
Apache Flex committers
Apache staff
Apache Flex PMC
Anyone
Adobe staff
How do you accomplish data persistence in
a Flex client?
Using <fx:Model>
Using shared objects
Using <s:Model>
Using cookies
Which method would you use to add a component
to an MX container?
addComponent()
addElement()
addChild()
addNew()
True or False? Flex directly supports database
operations.
True
True but only when using AIR
False
If you want to apply a wipe effect and a
resize effect in parallel, what should you use to group them together?
Transition
Filter
Container
Group
Which of the following graphics formats can be
use as a Flex Component?
PNG
FXG
SVG
JPEG
If you want users to be able to enter and edit
multiline text, which of these Spark controls should you use?
RichText
TextArea
TextInput
Label
To prevent an application to be blocked when
working with local database, you must:
open the database in Asynchronous mode
open the database in Synchronous mode
The phase order of the event flow in flex
is:
Target-Bubbling-Capture
Capture-Target-Bubbling
Target-Capture-Bubbling
Bubbling-Capture-Target
To implement a two way binding of a text
property you would use:
text="{@filedX.text}"
text="[@fieldX.text]"
text="@[fieldX.text]"
text="@{fieldX.text}"
Which application property allows you to
specify the XML namespace for a custom component package?
xmlspace
namespace
xmlnamespace
xmlns
Sort event phases in order, from first to last
Capture, Bubble, Target
Capture, Target, Bubble
Bubble, Capture, Target
Target, Capture, Bubble
How do you set a style property using a Class
Selector style in a flex component
styleName="classSelector"
classStyle="classSelector"
style=".classSelector"
style="classSelector"
What is the latest released version of Flex
SDK?
3.5
4.12.1
4.6
4.9.5
What license is Apache Flex released under?
Adobe Open Source License
Apache License 2.0
Creative Commons
MIT License
General Public License (GPL)
Where do you define the resource bundles for
your application?
Inside <fx:Definitions> tag
Inside <fx:Scripts> tag
Inside <fx:Group> tag
Inside <fx:Metadata> tag
In the Flex global coordinate system,
coordinates are relative to the upper left corner of what?
Container
Component
Stage
Content
Where can you get variables that are global to
all applications within the same ApplicationDomain?
Application.application
FlexGlobals
NativeApplication.nativeApplication
Globals
What is the name of the top-level object in
the display list?
Stage
Group
Screen
Application
If you want to prevent a button from
displaying in a specific view state, which of the button's properties should
you use?
hideButton
includeIn
visible
excludeFrom
What does Data Binding enable you to do?
Allows for the end user to manipulate data in real
time
Helps insure stability when refactoring the
application
Connect components to an underlying data model
Enables the user to create data tables
Where can't you find the Apache Flex source
code
Google Code
Apache Git repository
Apache Flex release
Apache Github mirror
True or False? You can declare constant
properties as bindable.
False
True
Linux support was added in which version of
Apache Flex?
4.9.1
4.10.0
4.8
4.9.0
Which mobile platforms allow Adobe Air apps?
Android, iOS, Blackberry 7
Android, Blackberry, WindowsPhone
Android, Blackberry 10, iOS
Android, WindowsPhone, Blackberry Playbook
A labelFunction is:
A function that labels text in a data group
A function that gives a name to a group of data
A function that is used to determine the text to be
rendered for each item in a list
A function that is used to assign the text to be
associated with each item in a list
True or False? If you embed a graphic, it is
loaded into your Flex application at runtime.
True
False
Where do you define proxy service destination
for working with web services and http services?
in proxy-config.xml
in messaging-config.xml file
in data-management-config.xml file
in remoting-config.xml file
Which is NOT a feature added in Apache Flex
4.11
Speed and other improvements to datagrid components
Over 50 bugs fixed
Experimental mobile datagrid component
MXML to Javascript compilation
120dpi and 640dpi mobile skins
Which of the following is not a phase of a
drag-and-drop operation?
Initializing
Inititating
Dragging
Dropping
How do you avoid "Warning: unable to bind
property 'x' on class 'x' ?
By marking the class as [Bindable] with only getters
By marking the class as [Bindable] with only
setters
By marking the class as [Bindable] with private
properties
By marking the class as [Bindable] with getters and
setters
Which of the following words is referred to as
future reserved words?
Default
Throw
Continue
Synchronized
Which of the following components can be used
to access server-side data from a REST web service?
HTTPService
RemoteObject
WebService
RESTService
How do you set the default state of a visual
component?
setting currentState=""
setting currentState="*"
setting currentState="default"
setting currentState="defaultState"
Which metadata tag Identifies a property that
should be omitted from data that is sent to the server when an ActionScript
object is mapped to a Java object using [RemoteClass] ?
[Omit]
[Transient]
[Exclude]
[ExcludeClass]
Where can you set a defaultButton property?
on Visual Componets
on Containers
True or False? remoting-config.xml has
destinations defined for working with web services and http services.
True
False
Which is true about the following sentence:
[Bindable(event="dataChanged")] ?
The bindable property will be able to be dispatched
on a dataChanged event
The bindable property will change when an event
named dataChanged is dispatched.
The Flex compiler automaticaaly creates a
propertyChangeEvent
Where can you use the mx:HTML component to
display HTML in a Flex App?
On Adobe AIR TV Applications
On Adobe AIR Mobile Applications
All of these
On Adobe AIR Desktop Applications
If you define three events on a component and
set their priority to 1,2 and 3 respectively. Which event will be handled
first?
Event with priority 2
Event with priority 1
Event with priority 3
Which compiler option do you use to specify
static linking?
runtime-shared-library-path
static-link-path
library-path
external-library-path
Which is not a feature added in Apache Flex
4.10.0?
Advanced telemetry support
ASC 2.0 compiler support
Over 200 bug fixes
New spark components
Datagrid row and column locking
How do you insert a "new line"
inside a MXML text property?
/\n
<br>
\n
What's the minimum version of Flash Player
that Apache Flex 4.9.0, 4.9.1 or 4.10.0 supports?
10.2
11.8
10.1
11.1
11.7
An Apache Flex PMC member CANNOT
Cast binding votes on an Apache Flex release
candidate
Veto an Apache Flex release candidate
Vote -1 (veto) code checked into the Git repository
Vote for new Apache Flex committers and PMC members
Create an release candidate
You would use this syntax to embed
asset.png in a StyleSheet:
@Embed("asset.png")
[Embed("asset.png")]
[Embed(source= "asset.png")
Embed('asset.png')
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