Adobe Flex Questions + Answers

Post by **answerhappygod** » Wed Mar 23, 2022 7:59 am

Question 1
Which two statements about Spark and MX components are true? (Choose two.)
A. For each MX component, there is a corresponding Spark component
B. For many MX components, there is a corresponding Spark component
C. Spark components implement functionality and appearance in separate classes
D. Spark components are extended to customize layout, just like MX components
E. Spark and MX components CANNOT be used within the same application

Answer : B,C

Question 2
Which statement about Spark components is true?
A. SkinnableComponent is a superclass of all Spark components
B. UIComponent is NOT a superclass of Spark components
C. Spark components CANNOT be used in the same application with MX components
D. NOT all Spark components are skinnable

Answer : D

Question 3
Which approach allows you to specify a layout for a Spark container?
A. Each Spark container class defines a specific layout, so you must choose the Spark container corresponding to the layout you desire
B. You must specify a CSS layout style corresponding to the id of the Spark container
C. You must specify a value of "absolute", "horizontal" or "vertical" within the layout attribute of the Spark container
D. You must specify one of the Spark layout classes within the layout attribute of the Spark container

Answer : D

Question 4
Which statement comparing Spark and MX layouts are true?
A. Spark layouts use layout classes, while MX layouts do not
B. Spark and MX share the same layout attribute values
C. Spark layouts do NOT support absolute positioning, unlike MX layouts
D. Spark components do NOT have default layouts, so a layout must be specified

Answer : A

Question 5
You want to create a sub class of LayoutBase. Which method must be overridden to specify positioning?
A. layout()
B. measure()
C. commitProperties()
D. updateDisplayList()

Answer : D

Question 6
You want to create a custom layout to display a number of images in a carousel. Which superclass should you extend to create your custom layout?
A. HorizontalLayout
B. VerticalLayout
C. LayoutBase
D. TileLayout

Answer : C

Question 7
Given the following code -
<s:TextInput id="myTextInput" />
Which will allow you to set the content that will be displayed in the control?
A. myTextInput.label
B. TextInput.label
C. myTextInput.text
D. TextInput.text

Answer : C

Question 8
Which property of the NumericStepper gives you access to the number that is displayed?
A. text
B. value
C. index
D. number

Answer : B

Question 9
You want to use a field to capture a single line of typed input, with an approximate width of
30 characters. Which statement should you use?
A. <s:TextInput width="30"/>
B. <s:TextInput measuredWidth="30"/>
C. <s:TextInput widthInChars="30"/>
D. <s:TextArea measuredWidth="30"/>

Answer : C

Question 10
Which two statements about the Spark DataGrid are true? (Choose two.)
A. The Spark DataGrid is implemented as a skinnable wrapper around the SparkGrid
B. The Spark DataGrid is a skinnable component that uses a Grid control as a skin part
C. The <s:GridColumn> component requires a dataField property
D. The <s:DataGridColumn> component requires a dataField property
E. The <s:Scroller> component must be implemented to enable Spark DataGrid scrolling

Answer : A,B

Question 11
Which properly defines an ItemRenderer for a Spark DataGrid column?
A. <s:GridColumn headerText="Name and Title"> <s:itemRenderer> <fx:Component> <s:GridItemRenderer> <s:VGroup> <s:Label text="{data.lastName}, {data.firstName}"/> <s:Label text="{data.title}"/> </s:VGroup> </s:GridItemRenderer> </fx:Component> </s:itemRenderer> </s:GridColumn>
B. <s:GridColumn headerText="Name and Title"> <s:GridItemRenderer> <s:VGroup> <s:Label text="{data.lastName}, {data.firstName}"/> <s:Label text="{data.title}"/> </s:VGroup> </s:GridItemRenderer> </s:GridColumn>
C. <s:GridColumn headerText="Name and Title"> <s:itemRenderer> <fx:Component> <s:GridItemRenderer> <s:Label text="{data.lastName}, {data.firstName}"/> <s:Label text="{data.title}"/> </s:GridItemRenderer> </fx:Component> </s:itemRenderer> </s:GridColumn>
D. <s:GridColumn headerText="Name and Title"> <s:itemRenderer> <fx:Component> <s:VGroup> <s:Label text="{data.lastName}, {data.firstName}"/> <s:Label text="{data.title}"/> </s:VGroup> </s:GridItemRenderer> </s:itemRenderer> </s:GridColumn>

Answer : A

Question 12
Which property of the Group component allows you to specify which orientation its children will have?
A. layout
B. position
C. direction
D. orientation

Answer : A

Question 13
Which Spark container will allow you to display its children with a horizontal orientation?
A. HBox
B. VBox
C. VGroup
D. HGroup

Answer : D

Question 14
Which components can a Spark Group take as child objects?
A. Components that derive from the Component class
B. Components that implement the IVisualElement interface
C. Components that derive from the GraphicElement class
D. Components that implement the IUIComponent interface

Answer : D

Question 15
Which one of the following is true about the typicalItem property?
A. By defining a typicalItem, a container does not have to size each child as it is drawn on the screen
B. The typicalItem may only be used with the Spark Grid and Spark DataGrid
C. If no typicalItem is used, by default a control will use the last item in the dataProvider as the typical data item
D. The typicalItem is defined inline, and not as an object to which the typicalItem is bound

Answer : A

Question 16
Which two sets of skin classes does the Flex framework provide for the Spark Form and
Spark FormItem controls? (Choose two.)
A. Default horizontal layout
B. Stacked
C. Default vertical layout
D. Basic
E. Sequential

Answer : A,B

Question 17
You want to create a CSS rule that styles the Spark TextInput component. Your CSS document has the following namespace declaration:
@namespace s "library://ns.adobe.com/flex/spark";
Which correctly declares a CSS rule for the Spark TextInput component?
A. s|TextInput {}
B. s-TextInput {}
C. spark|TextInput {}
D. spark-TextInput {}

Answer : A

Question 18
Which declaration uses the correct syntax to define a style namespace for the components in the components.view package?
A. namespace|comp components.view.*
B. namespace comp "components.view.*"
C. @namespace comp components.view.*
D. @namespace comp "components.view.*"

Answer : D

Question 19
You want to create a drop shadow on the Spark label myLabel. Which syntax is correct?
A. <fx:Script> myLabel.setStyle(dropShadow, "true"); </fx:Script> <s:label id="myLabel"/>
B. <s:Label id="myLabel" dropShadowEnabled="true"/>
C. <s:Label id="myLabel" dropShadow="enabled"/>
D. <s:Label id="myLabel" filters="{[new DropShadowFilter(10, 45)]}"/>

Answer : D

Question 20
Which two choices will allow you to apply a skin to a component at compile time? (Choose two.)
A. Use the setStyle method in a Script block
B. Use the skin attribute in the MXML used to instantiate the component
C. Use the skinClass attribute in the MXML used to instantiate the component
D. Use the skin property in the CSS attached to the application
E. Use the skinClass style in the CSS attached to the application

Answer : C,E

Question 21
Which two classes can be extended to create a skin? (Choose two.)
A. ComponentSkin
B. Skin
C. SkinSpark
D. SkinClass
E. SparkSkin

Answer : B,E

Question 22
Which MXML attribute specifies the visual implementation that a Spark component will display?
A. skin
B. skinClass
C. layout
D. displayClass

Answer : B

Question 23
You have created a SparkSkin class for a Button component called ButtonSkin in the skins package. Which MXML statement correctly applies this skin class to a Spark Button?
A. <s:Button skinClass=”ButtonSkin” />
B. <s:Button styleName="ButtonSkin" />
C. <s:Button skinClass=”skins.ButtonSkin”/>
D. <s:Button class=”skins.ButtonSkin” />

Answer : C

Question 24
You want to animate the x, y, and alpha properties of an object in your application. Which
Spark Effect class can handle animating multiple properties?
A. Animate
B. AnimateProperty
C. AnimateFilter
D. AddAction

Answer : A

Question 25
Which declaration properly sets the x property in a state named detail?
A. detail.x="0"
B. detail:x="0"
C. x:detail="0"
D. x.detail="0"

Answer : D