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Basic Microsoft Silverlight MCQ

1. Which of the following operations are permitted by Silverlight to a handler that handles a user-initiated event?

Navigating from a HyperlinkButton.

Showing certain dialogs such as SaveFileDialog and OpenFileDialog

Setting ActualWidth property.

Setting IsFullScreen property.

Answer

Correct Answer: Navigating from a HyperlinkButton.
Showing certain dialogs such as SaveFileDialog and OpenFileDialog
Setting IsFullScreen property.

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2. Which of the following characters are NEVER allowed in a cross-domain request path when paths are restricted by the client access policy file in the Silverlight Cross-Domain Policy File?

Consecutive dot characters (..)

Dot followed by a forward slash (./)

Simple forward slash (/)

Percent sign (%)

Answer

Correct Answer: Consecutive dot characters (..)
Dot followed by a forward slash (./)
Percent sign (%)

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3. What will happen if you add one more child element to a Viewbox control in a Silverlight application?

It takes the child element and stretches it or scales it to fit the size of the Viewbox.

An ArgumentException will be thrown at run time.

You will be able to add the additional child element but you will not be able to stretch or scale it.

None of the above.

Answer

Correct Answer: An ArgumentException will be thrown at run time.

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4. Can you apply the BlurEffect and the DropShadowEffect directly to the same element in your application?

Yes

Answer

Correct Answer: No

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5. Which of the following features are supported by the Out-of-browser applications that target Silverlight 4 RC?

They allow you to modify the Out-of-Browser application window at run time.

Trusted applications can hide the title bar and border of the out-of-browser application window in order to provide a completely customized user interface.

They allow you to display HTML content within your out-of-browser application to replace functionality provided by a host Web page.

Out-of-browser applications can display temporary notification windows to inform users of incoming e-mails.

Answer

Correct Answer: They allow you to modify the Out-of-Browser application window at run time.
Trusted applications can hide the title bar and border of the out-of-browser application window in order to provide a completely customized user interface.
They allow you to display HTML content within your out-of-browser application to replace functionality provided by a host Web page.
Out-of-browser applications can display temporary notification windows to inform users of incoming e-mails.

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6. Which of the following statements is correct with regard to Sliverlight TwoWay data binding?

TwoWay data bindings update the target with the source data when the binding is created.

TwoWay data bindings update both the target and the source when either changes.

TwoWay data bindings update the target with the source data when the binding is created and anytime the data changes.

Answer

Correct Answer: TwoWay data bindings update both the target and the source when either changes.

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7. What is the function of COR_PRF_GC_GENERATION Enumeration used by the profiling API?

It indicates the type of exception clause that the code has just entered or left, while executing the application.

It identifies a garbage collection generation by dividing objects into generations while executing the application.

It contains the values that are used to specify behavior, capabilities, or events to which the profiler wishes to subscribe.

It contains the constant values that specify special identifiers in your application.

Answer

Correct Answer: It identifies a garbage collection generation by dividing objects into generations while executing the application.

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8. What is the function of the element marked as A (see image) in the Silverlight policy file format?

It defines the resources that can be accessed in a certain policy.

It defines all the resources of the server that are affected by this policy.

It defines the socket resources that can be accessed in a certain policy.

It defines a domain or a specific Silverlight application that is affected by this policy.

Answer

Correct Answer: It defines the resources that can be accessed in a certain policy.

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9. Which of the following is NOT a valid value for the Stretch property of the ImageBrush class when you use Silverlight brush objects to paint an area with images in your application?

Uniform

UniformToFill

Fill

All of the above values are valid.

Answer

Correct Answer: All of the above values are valid.

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10. Does Silverlight support implicit styles applied using the TargetType attribute value?

Yes

Answer

Correct Answer: No

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11. How can you view the contents of a .xap file (marked as A in the image), that is generated when the Silverlight project is built?

To view the contents of a .xap file, double click on this application.

To view the contents of a .xap file you can rename the extension of the .xap file to .zip.

To view the contents of a .xap file, right click and open with HTML Editor.

To view the contents of a .xap file, right click and open with XML Editor.

Answer

Correct Answer: To view the contents of a .xap file you can rename the extension of the .xap file to .zip.

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12. In Sliverlight, Canvas is used solely as a container for other objects within which you can explicitly position child objects by using coordinates that are relative to the area. In which of the following conditions is a Canvas NOT visible when you run your application?

When the Width and Height properties are both equal to 100.

When the Width and Height properties are both equal to 0.

When the Opacity property is equal to 0

When the Visibility property is equal to Visibility.Visible.

Answer

Correct Answer: When the Width and Height properties are both equal to 0.
When the Opacity property is equal to 0

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13. What are the benefits of Code Contracts in Silverlight?

You can use Code Contracts to generate more meaningful unit tests by filtering out meaningless test arguments that do not satisfy preconditions.

They provide static contract verification, runtime checking, and documentation generation.

The static checker can decide whether there are any contract violations without running the program.

All of the above.

Answer

Correct Answer: All of the above.

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14. Which of following is NOT a valid string method in the Silverlight .NET Framework?

String.Compare

String.ToLower

String.LastIndexOf

All of the above are valid string methods.

Answer

Correct Answer: All of the above are valid string methods.

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15. The CLR debugging services let a debugger change the physical location of the instruction pointer during execution, although this may be a dangerous operation. In which of the following conditions may the instruction pointer be changed successfully?

When the current instruction pointer and the target instruction pointer are both at sequence points.

When the target instruction pointer is not located in an exception filter, a catch block, or a finally block.

When the target instruction pointer is in a different frame from the current instruction pointer. All of the above.

Answer

Correct Answer: When the current instruction pointer and the target instruction pointer are both at sequence points.
When the target instruction pointer is not located in an exception filter, a catch block, or a finally block.

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16. What happens when you add a Silverlight Key-Frame animation in your application whose Duration property is Automatic or equal to the time of the last key frame?

The animation enters its fill period as soon as its Duration is reached.

The animation holds the key-frame value until it reaches the end of its Duration.

The animation ends

Answer

Correct Answer: The animation ends

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17.
Consider the XAML code given below. Which color will apply to the background if you add this code into your application?

Only green

Only red.

Mixture of green and red colors.

The StackPanel control will be divided into two parts resulting in green and red colors.

Answer

Correct Answer:

Only red.

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18. What is the function of the TextBlock control in Silverlight?

It is used to obtain an input from the user or to display text.

It provides a window that can be displayed over a parent window and blocks interaction with the parent window.

It is used to display small amounts of text content.

Answer

Correct Answer: It is used to display small amounts of text content.

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19. What is the function of the "Peek" method that can be performed on a stack and its elements?

It returns an element at the top of the stack but does not remove it from the stack.

It removes an element at the top of the stack.

It inserts an element at the top of the stack.

It returns an element at the top of the stack and removes it from the stack.

Answer

Correct Answer: It returns an element at the top of the stack but does not remove it from the stack.

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20. Which of the following Microsoft applications/tools is meant for creating graphical interfaces for web and desktop applications that blend the features of these two types of applications?

Visual Studio 2008

Microsoft Expression Blend

ASP.NET AJAX

Microsoft Windows Communication Foundation (WCF) services

Answer

Correct Answer: Microsoft Expression Blend

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21. Which of the following is correct if you define the accessibility of the member as "family" in a class?

The member is accessible only from types that qualify for both family and assembly access.

The member is accessible from within the same type as the member, and from derived types that inherit from it.

The member is accessible only from types that qualify for either family or assembly access.

The member is accessible only from within the same type as the member, or within a nested type.

Answer

Correct Answer: The member is accessible from within the same type as the member, and from derived types that inherit from it.

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22. Which of the following is NOT true of Silverlight.js?

It is an instantiation technique that provides a default event handler for the OnError handler parameter.

It is a utility library of script functions that can instantiate a Silverlight plug-in in HTML by forming the necessary object tagging.

It provides static contract verification, runtime checking, and documentation generation.

Answer

Correct Answer: It provides static contract verification, runtime checking, and documentation generation.

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23. Which of the following is NOT a property of the "Exception" class?

StackTrace property

InnerException property

Message property

onError property

Data property

Answer

Correct Answer: onError property

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24. Which of the following are valid Sliverlight data bindings?

OneTime

OneWay

TwoWay

All of the above are valid Silverlight Data Bindings.

Answer

Correct Answer: All of the above are valid Silverlight Data Bindings.

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25. Which of the following statements is INCORRECT with regard to Geometry Vs. Shape objects in Silverlight?

Shape objects can render themselves and have Opacity, OpacityMask and other graphical properties that Geometry objects lack.

Shape objects are not UIElement objects, but Geometry objects are UIElement objects.

Shape objects are more readily usable than Geometry objects. On the other hand, Geometry objects are more versatile.

Answer

Correct Answer: Shape objects are not UIElement objects, but Geometry objects are UIElement objects.

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26. Which of the following controls allows you to set the content and header of a tab in TabControl?

ScrollViewer

TabItem

ContentControl

GridSplitter

Answer

Correct Answer: TabItem

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27. Which of the following operations can be performed by the "Interlocked" class when included in your Silverlight application?

It can be used to add an integer value to a variable and return the new value of the variable. It can be used to increment or decrement a variable and return the resulting value.

It can perform an atomic exchange of the value in a specified variable, returning that value and replacing it with a new value.

It can be used to delete an integer value to a variable and return the new value of the variable.

Answer

Correct Answer: It can be used to add an integer value to a variable and return the new value of the variable. It can be used to increment or decrement a variable and return the resulting value.
It can perform an atomic exchange of the value in a specified variable, returning that value and replacing it with a new value.

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28. Which of the following dynamic languages can be used for application development in Silverlight?

IronPython

Visual Basic

IronRuby

Answer

Correct Answer: IronPython
IronRuby

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29. When you configure an application for Out-of-Browser Support, what does property marked as A (see image) indicates in the AppManifest.xml file?

It appears in the out-of-browser installation dialog box and on the installed application shortcut or shortcuts

It appears as a tooltip on the installed application shortcuts

It appears in the title bar of the out-of-browser application window

It indicates whether the install option should appear on the application right-click menu

Answer

Correct Answer: It appears as a tooltip on the installed application shortcuts

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30. Can debugging take place on Silverlight code and JavaScript code at the same time?

Yes

Answer

Correct Answer: No

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31. Which of the following MediaElement methods and properties does NOT affect VideoBrush when you paint an area with a video in Silverlight?

Position

Clip

Stop

Play

Pause

Answer

Correct Answer: Clip

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32. Which of the following is correct in relation to a Cryptographic hash when using Cryptographic Services in Silverlight?

It helps to verify that data originates from a specific party by creating a digital signature that is unique to that party.

It maps data from any length to a fixed-length byte sequence. A different two-byte sequence will not hash to the same value.

This type of encryption uses a public/private key pair to encrypt and decrypt data.

This type of encryption uses a single shared, secret key to encrypt and decrypt data.

Answer

Correct Answer: It maps data from any length to a fixed-length byte sequence. A different two-byte sequence will not hash to the same value.

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33. Which of the following Interpolation methods is NOT supported by Key-Frame animations?

Linear interpolation

Discrete interpolation

Polynomial interpolation

Splined interpolation

Answer

Correct Answer: Polynomial interpolation

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34. What does the Silverlight Debugging API "GetStartupNotificationEvent" function do?

It provides a mechanism for enumerating the CLRs in a process.

It closes any valid CLR continue-startup events located in an array of handles returned by the EnumerateCLRs function, and frees the memory for the handle and string path arrays.

It creates or opens an event handle that will be signaled upon by any common language runtime (CLR) that is loading in the specified target process.

It creates a version string from a CLR path in a target process.

Answer

Correct Answer: It creates or opens an event handle that will be signaled upon by any common language runtime (CLR) that is loading in the specified target process.

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35. Suppose you put a GridSplitter control into a cell on a Grid by setting the value of HorizontalAlignment and VerticalAlignment properties to stretch. What will be the result when you run your application?

Rows will be resized.

Columns will be resized.

Columns will be resized if ActualHeight is greater than or equal to ActualWidth. Otherwise, rows will be resized.

Answer

Correct Answer: Columns will be resized if ActualHeight is greater than or equal to ActualWidth. Otherwise, rows will be resized.

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36. By default, when an error message is selected in the ValidationSummary control, it attempts to set focus on the control where the error originated. How will you disable this behavior?

By setting FocusControlsOnClick property to false.

By setting FocusControlsOnClick property to true.

By setting FocusControlsOnClick property to All.

By setting FocusControlsOnClick property to ObjectErrors.

By setting FocusControlsOnClick property to PropertyErrors.

Answer

Correct Answer: By setting FocusControlsOnClick property to false.

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37. Which of the following wildcard characters is NOT allowed for domain uri (marked as B in the image) in the Silverlight Policy File?

A standalone "*"

"http://*"

"http://*. "

"http://.* "

Answer

Correct Answer: "http://.* "

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38. What is the correct order of values (from highest to lowest precedence) that the Silverlight property system uses when assigning the run-time values of dependency properties?

Local value>Templated properties>Active animations>Style setters>Default value

Active animations >Local value>Templated properties>Style setters>Default value

Templated properties>Style setters>Default value>Active animations >Local value

Style setters>Templated properties >Active animations>Default value >Local value

Answer

Correct Answer: Active animations >Local value>Templated properties>Style setters>Default value

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39. Which of the following is NOT a restriction that you come across if you want to host your Silverlight application and store your images on different servers?

You cannot store your images on a cross-domain site as long as the scheme of that cross-domain site is the same as the scheme of the site hosting your application.

Silverlight applications running on Windows cannot store images on a server in the local intranet zone if the application was downloaded from the Internet zone, except if the target domain is localhost.

You cannot store your images on a site that uses the HTTPS scheme if you are hosting your application on an HTTP site.

You can redirect to another image URL as long as the URL uses the same scheme.

Answer

Correct Answer: You cannot store your images on a cross-domain site as long as the scheme of that cross-domain site is the same as the scheme of the site hosting your application.

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40. Which of the following is incorrect with regard to the IConvertible interface in the .NET Framework for Silverlight?

It can be used both at design time and at run time.

It does not use reflection.

It allows conversion from a custom type to other data types but not from other data types to a custom type.

Answer

Correct Answer: It can be used both at design time and at run time.

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41. Which of the following is INCORRECT with regard to enumerations in the .NET Framework for Silverlight?

They can implement interfaces.

They cannot define properties or events.

They cannot define their own methods.

An enumeration is a value type that inherits directly from System.Enum.

Answer

Correct Answer: They can implement interfaces.

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42. This property is an IDictionary that can hold arbitrary data in key-value pairs.

It is the format that is used for declaring styles and templates applied to the logical basis of Silverlight controls and UI.

It is an application programming interface in the .NET Framework for building connected, service-oriented applications.

It is the primary format for declaring a Silverlight UI and elements in that UI.

It promotes an efficient migration pathway for UI between Silverlight and WPF in such a way that you could perform UI design for Silverlight and then migrate that same design to WPF with little or no redesign of the UI surface.

Answer

Correct Answer: It is an application programming interface in the .NET Framework for building connected, service-oriented applications.

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43. What is the function of the InnerException property of the "Exception" class?

This property can be used to create and preserve a series of exceptions during exception handling.

This property contains a stack trace that can be used to determine where an error occurred.

This property provides details about the cause of an exception.

This property is an IDictionary that can hold arbitrary data in key-value pairs.

Answer

Correct Answer: This property can be used to create and preserve a series of exceptions during exception handling.

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44. What is the functions of Common Type System in the .NET Framework for Silverlight?

It provides an object-oriented model that supports the complete implementation of many programming languages.

It defines rules that languages must follow, which helps to ensure that objects written in different languages can interact with one other.

It establishes a framework that helps enable cross-language integration, type safety, and high-performance code execution.

It provides a library that contains the primitive data types used in application development.

Answer

Correct Answer: It provides an object-oriented model that supports the complete implementation of many programming languages.
It defines rules that languages must follow, which helps to ensure that objects written in different languages can interact with one other.
It establishes a framework that helps enable cross-language integration, type safety, and high-performance code execution.
It provides a library that contains the primitive data types used in application development.

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45. Which of the following is the correct description of a sealed class in the .NET Framework for Silverlight?

It indicates that the class uses one or more interfaces by providing implementations of interface members.

It indicates that instances of the class can be used anywhere the base class is specified.

It specifies that another class cannot be derived from this type of class

It indicates whether a class is visible outside the assembly in which it is defined.

Answer

Correct Answer: It specifies that another class cannot be derived from this type of class

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46.
Which of the discrepancies are found in the below code:

Border should be a child element of the Textblock.

Border and Textblock should be not be child elements of each other.

There is no discrepancy in the code.

There is some other discrepancy in the code.

Answer

Correct Answer:

Border and Textblock should be not be child elements of each other.

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47. Can you add the reference of a Class library project in a Silverlight application project?

Yes

Yes you can, but that project should not have used ADO.NET objects.

Answer

Correct Answer: No

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48. What is the usage of RelativeSource, a markup extension that is defined under the default Silverlight XAML namespace?

It supports a control template in XAML that can interact with the code properties of the templated object.

It enables a particular form of template binding.

It supports referencing resource values that are defined in a ResourceDictionary.

It supports data binding, which defers a property value until it is interpreted under a data context.

Answer

Correct Answer: It enables a particular form of template binding.

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49. Which of the following modes of debugging are supported by the Silverlight CLR debugging API?

Debugging mode

Edit and Continue mode

Read and Write mode

Answer

Correct Answer: Debugging mode
Edit and Continue mode

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50. Which of the following properties will you use if you want to apply the same property settings to multiple ScrollViewer controls?

Style

ItemsSource

ItemContainerStyle

Answer

Correct Answer: Style

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51. Which of the following is INCORRECT in relation to Transparent code in Silverlight?

It cannot contain unverifiable code.

It can call native code via a P/Invoke or COM interop.

It can only run with the same permission level as its caller.

It cannot access Critical code or data unless the target is marked SafeCritical.

Answer

Correct Answer: It can call native code via a P/Invoke or COM interop.

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52. Which of the following file formats are supported by the Image class when you add an Image control in your application to display images?

jpeg

png

Both a and b

Answer

Correct Answer: Both a and b

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53. Which of the following is/are INCORRECT with regard to interfaces in the .NET Framework for Silverlight?

An interface can be declared with any accessibility, but interface members must all have public accessibility.

Interfaces cannot define constructors.

Interfaces can define fields.

They can only define static members.

Answer

Correct Answer: Interfaces can define fields.
They can only define static members.

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54. What is the function of a StackPanel control in Silverlight?

It is used to arrange the content that is visible on the screen, creating additional UI items as needed.

It provides a surface to display child elements in a line, either horizontally or vertically.

It provides a container that can stretch or scale its content to fill the available space.

It provides a tabbed interface for displaying elements.

Answer

Correct Answer: It provides a surface to display child elements in a line, either horizontally or vertically.

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55.
Silverlight offers a subset of the functionality provided by Windows Presentation Foundation (WPF) and enables you to build rich internet applications that are easy to deploy. Which of the following Windows Presentation Foundation (WPF) features are NOT supported by Silverlight?

ValueConversion attribute

MarkupExtension base class

Electronic Documentation Management (EDM)

All of the above

Answer

Correct Answer:

All of the above

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56. Which of the following widening conversions can be performed on the datatype "Int32" without loss of information using the .NET Framework for Silverlight?

It can be converted to Int64.

It can be converted to UInt16.

It can be converted to UInt64.

It can be converted to Double.

Answer

Correct Answer: It can be converted to Int64.
It can be converted to Double.

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57. Which property of the InkPresenter will you use if you want to contain the ink within the InkPresenter control?

Clip

Background

Children

Strokes

Answer

Correct Answer: Clip

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58. Which of the following methods of the Socket class reads incoming data into one or more buffers from a connected socket?

ConnectAsync

ReceiveAsync

SendAsync

Shutdown

Answer

Correct Answer: ReceiveAsync

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59. Which of the following types of Media are currently supported by Silverlight?

Advanced Stream Redirector (ASX) playlist file format

Windows Media Audio 8 (WMA 8)

Windows Media Video 8 (WMV 2)

ISO/MPEG Layer-3 compliant data stream input (MP3)

All of the above

Answer

Correct Answer: All of the above

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60. Which of the following options helps your Silverlight applications run faster, smoothly?

Hide all objects that are not being rendered in full-screen mode when your application goes into full-screen mode.

Always use the Visibility property instead of Opacity property if you simply want to make an object visible or not visible.

Always set the width and height of a MediaElement object.

Set the Stretch property value to Fill.

Answer

Correct Answer: Hide all objects that are not being rendered in full-screen mode when your application goes into full-screen mode.
Always use the Visibility property instead of Opacity property if you simply want to make an object visible or not visible.
Set the Stretch property value to Fill.

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61. How can you protect your Silverlight client application against malicious services?

Avoid initiating communications with an untrusted service automatically, without an explicit user choice.

Avoid initiating communications with an untrusted service when a crash or hang causes the user to lose data in your application.

To prevent spoofing and information disclosure, use HTTP to access services, especially when sensitive data is being transferred.

Answer

Correct Answer: Avoid initiating communications with an untrusted service automatically, without an explicit user choice.
Avoid initiating communications with an untrusted service when a crash or hang causes the user to lose data in your application.

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62. The Profiling API can retrieve information about actions and events occurring in the CLR. Which of the following actions/events can it retrieve?

Class loading and unloading events.

Supports remote profiling.

CLR startup and shutdown events

Support for self-modifying applications.

Transitions between managed and unmanaged code execution.

Answer

Correct Answer: Class loading and unloading events.
CLR startup and shutdown events
Transitions between managed and unmanaged code execution.

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63. Which of the following is INCORRECT with regard to the use of Silverlight brush objects to paint an area with Linear Gradient?

It paints an area with a gradient that is defined along a line called the gradient axis.

You can specify the gradient's colors and their location along the gradient axis using GradientStop objects.

You can also modify the gradient axis, which enables you to create horizontal and vertical gradients and reverse the gradient direction.

It paints an area with colors that blend together along an axis.

Linear Gradients brush's axis is defined by a circle. Its colors radiate outward from its origin.

Answer

Correct Answer: Linear Gradients brush's axis is defined by a circle. Its colors radiate outward from its origin.

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64. Which of the following is NOT a feature of Silverlight?

It supports dynamic resources.

It includes compelling graphics that users can manipulate- drag, turn, and zoom- directly in the browser.

It streams video and audio.

It is a cross-browser, cross-platform technology.

Answer

Correct Answer: It supports dynamic resources.

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65. Which of the following is NOT a valid security level for Silverlight code?

Transparent code

SafeCritical code

Critical code

All of the above are valid security levels.

Answer

Correct Answer: All of the above are valid security levels.

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66. Which of the following Networking security policy files are supported by Silverlight?

Flash policy file

Silverlight policy file

Publisher policy file

Group policy file

Answer

Correct Answer: Flash policy file
Silverlight policy file

Note: This question has more than 1 correct answers

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

67. Which of the following is incorrect with regard to the use of Multithreading on a single-processor computer?

Only one thread runs at any instant

A background thread executes only when the number of foreground threads executing is smaller than the number of processors.

Race conditions occur because the programmer did not anticipate the fact that a thread can be preempted at an awkward moment, sometimes allowing another thread to reach a code block first.

Answer

Correct Answer: A background thread executes only when the number of foreground threads executing is smaller than the number of processors.

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

68. Which of the following Core Presentation Component features of the Silverlight platform helps in enabling dynamic positioning of UI elements?

Controls

Data binding

Layout

UI rendering

Answer

Correct Answer: Layout

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

69. Which of the following is TRUE about Managed API Error handling?

Exceptions often include information as part of the exception's Message property value

The fixed portion of an exception message are often included as resources in the library, and referenced by the runtime exception when thrown

All of the given options are true

Silverlight run time makes a distinction between platform-originated exceptions and application code-originated exceptions

Answer

Correct Answer: All of the given options are true

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

70. What is between a Parent Panel and a Child Element?

Child Panel

Layout Slot

Child Slot

Layout Panel

Answer

Correct Answer: Layout Slot

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

71. Which of the following is NOT a feature of .NET framework for SIlverlight?

Window Communication Foundation (WCF)

Data binding

Base class library

CLR (common language runtime)

Answer

Correct Answer: Data binding

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

72. Which of the following Microsoft.Win32.SafeHandles Namespace class provides a base class for Win32 safe handle implementations in which the value of -1 indicates an invalid handle?

CriticalHandleMinusOneIsInvalid

SafeHandleMinusOneIsInvalid

SafeWaitHandle

SafeHandle

Answer

Correct Answer: SafeHandleMinusOneIsInvalid

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

73. Which of the following classes enable the API/program to submit requests to a HTTP based Web service?

Windows Communication Foundation (WCF) Data Services

Windows Communication Foundation (WCF) Services

Windows Communication Foundation (WCF) RIA Services

HTTP Classes

Answer

Correct Answer: HTTP Classes

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74. What style are XAML placeholders typically in?

Italic

Bold

Subscript

Superscript

Answer

Correct Answer: Italic

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75. Does Silverlight have a protocol to defend against DOS attacks?

No, because Silverlight is impervious to Dos attacks.

No, however it can be implemented.

Yes, however it must be purchased from a third-party vender.

Yes

Answer

Correct Answer: Yes

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76. Which of the following Microsoft.Win32.SafeHandles Namespace class provides a base class for Win32 critical handle implementations?

SafeHandleMinusOneIsInvalid

CriticalHandle

SafeWaitHandle

CriticalHandleMinusOneIsInvalid

Answer

Correct Answer: CriticalHandleMinusOneIsInvalid

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

77. Which of the following is a VALID requirement for properties of a custom class as XAML attributes?

Has a type converter attributed at the property level.

Uses a by-value primitive property type that the Silverlight XAML processor can natively convert, such as int, or use string.

Uses a by-reference class for property type that has a default constructor

Should not a property type that is an abstract class or interface

Answer

Correct Answer: Should not a property type that is an abstract class or interface

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78. Which of the following provide the foundation for building Web services for a Silverlight client application ?

HTTP Classes

Windows Communication Foundation (WCF) Services

Windows Communication Foundation (WCF) RIA Services

Windows Communication Foundation (WCF) Data Services

Answer

Correct Answer: Windows Communication Foundation (WCF) Services

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79. How can you set attached properties in XAML ?

by using the syntax AttachedPropertyProvider.PropertyName

by using the syntax AttachedPropertyProvider.Property

by using the syntax AttachedPropertyProvider.Name

by using the syntax AttachedProperty.PropertyName

Answer

Correct Answer: by using the syntax AttachedPropertyProvider.PropertyName

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

80. When are you most likely to encounter an XSS attack in Silverlight?

When running Silverlight in a sandbox.

When starting Silverlight.

When the strings the user created and inserted into markup are subverted by the strings inserted by malicious software.

When the user cannot escape an attacker-controlled string, and that string is inserted into markup.

Answer

Correct Answer: When the user cannot escape an attacker-controlled string, and that string is inserted into markup.

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

81. Which of the following .NET framework Class Library for Silverlight contains classes that support interaction with a local database in Windows Phone applications?

System.Linq

System.Data.Services.Client

System.Linq

System.Data.Linq

Answer

Correct Answer: System.Data.Linq

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

82. Which of the following Microsoft.Xna.Framework Namespace structures represents a point in a multi-point curve?

CurveKey

Key

Curve

BoundingFrustum

Answer

Correct Answer: CurveKey

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83. Which of the following JavaScript API for Silverlight provides Silverlight property system services?

EventTrigger

DependencyObject

Accessibility Object

Glyphs

Answer

Correct Answer: DependencyObject

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84. Which of the following is most appropriate for applications that extensively perform CRUD operations on a database ?

Windows Communication Foundation (WCF) Data Services

Sockets and Multicast

Windows Communication Foundation (WCF) Services

Windows Communication Foundation (WCF) RIA Services

Answer

Correct Answer: Windows Communication Foundation (WCF) Data Services

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85. What is the max video resolution Silverlight provides for mobile devices?

360p

720p

1080p

240p

Answer

Correct Answer: 720p

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86. Does Silverlight SDK still contain the ASP.NET server controls to embed code into your website?

Yes.

No, but it can be added.

Yes, but it is disabled. Simply enable it in the configuration file.

Answer

Correct Answer: No

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87. When Silverlight is operating in a sandbox environment, what happens to local storage?

It is sped up and given maximum oportunity to interact with other programs.

Local storage is being moved to a cloud environment.

It is isolated and cut down to 1 MB.

It is increased to 10 GB with no isolation.

Answer

Correct Answer: It is isolated and cut down to 1 MB.

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

88. What data organization technique does the generic class, Queue<T> use?

LIFO

FIFO

LIFO

FILO

Answer

Correct Answer: FIFO

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89. What do you use to integrate Silverlight with Javascript code?

The Silverlight javascript.js tool.

The HTML object element.

The integrate.js java tool.

The XAML object element.

Answer

Correct Answer: The HTML object element.

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

90. Which of the following Core Presentation Component feature enables rendering of vector and bitmap graphics, animations, and text?

UI Rendering

Layout

Data Rendering

Deep Zoom

Answer

Correct Answer: UI Rendering

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91. What do you use to debug Silverlight-based applications?

Visual Debugger

Debugger Tools

Silverlight Tools for Visual Studio

Silverlight Debugger

Answer

Correct Answer: Silverlight Tools for Visual Studio

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92. What is the AppManifest.xaml file used for?

It does nothing.

It identifies the assembled packages and entry point application.

It identifies the packaged assemblies and application entry point.

It enters into an assembled package entry point.

Answer

Correct Answer: It identifies the packaged assemblies and application entry point.

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

93. Which of the following .NET framework Class Library for Silverlight contains classes provides classes that the binary rewriter can use to handle a contract failure?

System.Diagnostics.Internal

System.Contracts.Internal

System.Diagnostics.Contracts.Internal

System.Data.Services.Client

Answer

Correct Answer: System.Diagnostics.Contracts.Internal

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

94. Which of the following JavaScript API for Silverlight describes the location and color of a transition point in a gradient?

GradientStopCollection

Grid

GridLength

GradientStop

Answer

Correct Answer: GradientStop

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95. Which of the following .NET framework libraries for Silverlight provides classes for using 3-D graphics?

Microsoft.Xna.Framework.Graphics.PackedVector

Microsoft.Xna.Framework

Microsoft.Internal

Microsoft.Internal.Pivot.Interactivity

Answer

Correct Answer: Microsoft.Xna.Framework

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

96. DomainService (LinqToEntitiesDomainService) s a main object inside which of the following ?

Windows Communication Foundation (WCF) RIA Services

Windows Communication Foundation (WCF) Services

Windows Communication Foundation (WCF) Data Services

HTTP Classes

Answer

Correct Answer: Windows Communication Foundation (WCF) RIA Services

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97. What is one way to deploy resource files in Silverlight?

Embedded in an external program.

Execute them from a compressed internal library that is encrypted.

Embedded in an assembly in an external library package.

Deploy them from secondary resource files.

Answer

Correct Answer: Embedded in an assembly in an external library package.

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

98. What do GetValue and SetValue calls do within the context of dependency properties?

They are responsible for backing the CLR Wrapper property.

They do nothing and are not related.

They are responsible for controlling the HIVE MapReduce wrapper.

They are responsible for backing the CLR Hadoop wrapper.

Answer

Correct Answer: They are responsible for backing the CLR Wrapper property.

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99. What are some container objects that shape objects can be used in?

Box and Grid

Container Canvas

Grid and Canvas

Canvas and Screen

Answer

Correct Answer: Grid and Canvas

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100. What can happen when you experience an unnecessary invoking of the layout system?

Silverlight will freeze.

You may experience a lapse in application performance.

Silverlight may crash.

You may experience a system-wide failure.

Answer

Correct Answer: You may experience a lapse in application performance.

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101. Which of the following Core Presentation Component feature enables digital rights management of media assets?

XAML

UI rendering

Data binding

DRM

Answer

Correct Answer: DRM

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102. Which of the following is NOT a feature of core presentation layer?

Layout

UI rendering

Deep Zoom

Data

Answer

Correct Answer: Data

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103. What needs to be edited to define what is a recoverable exception?

The UnderhandedException handler.

The ExceptionallyUnhandled handler.

The UnhandledException handler.

The HandledException Unhandler.

Answer

Correct Answer: The UnhandledException handler.

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104. Which of tehe following feature is NOT offered by Silverlight?

None of the given options are valid

Cross-browser, cross-platform support

Access to the .NET Framework programming model

Integration with existing applications

Answer

Correct Answer: None of the given options are valid

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105. What is the parser error property, charPosition?

.XML

.PHP

.NET

.ASP

Answer

Correct Answer: .NET

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106. In Silverlight, can you write code in Visual Basic?

Yes

No, it can only be written in c.

No, it must be written in cobal.

No.

Answer

Correct Answer: Yes

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Microsoft Silverlight MCQs | Topic-wise

MCQ on Basic Microsoft Silverlight

General Microsoft Silverlight MCQs

Microsoft Silverlight Subjects

More Resources

Microsoft Silverlight MCQ

Microsoft Silverlight Skill Assessment

Microsoft Silverlight PDF

Related MCQs

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MongoDB MCQs

Basic Microsoft Silverlight MCQ

1. Which of the following operations are permitted by Silverlight to a handler that handles a user-initiated event?

2. Which of the following characters are NEVER allowed in a cross-domain request path when paths are restricted by the client access policy file in the Silverlight Cross-Domain Policy File?

3. What will happen if you add one more child element to a Viewbox control in a Silverlight application?

4. Can you apply the BlurEffect and the DropShadowEffect directly to the same element in your application?

5. Which of the following features are supported by the Out-of-browser applications that target Silverlight 4 RC?

6. Which of the following statements is correct with regard to Sliverlight TwoWay data binding?

7. What is the function of COR_PRF_GC_GENERATION Enumeration used by the profiling API?

8. What is the function of the element marked as A (see image) in the Silverlight policy file format?

9. Which of the following is NOT a valid value for the Stretch property of the ImageBrush class when you use Silverlight brush objects to paint an area with images in your application?

10. Does Silverlight support implicit styles applied using the TargetType attribute value?

11. How can you view the contents of a .xap file (marked as A in the image), that is generated when the Silverlight project is built?

12. In Sliverlight, Canvas is used solely as a container for other objects within which you can explicitly position child objects by using coordinates that are relative to the area. In which of the following conditions is a Canvas NOT visible when you run your application?

13. What are the benefits of Code Contracts in Silverlight?

14. Which of following is NOT a valid string method in the Silverlight .NET Framework?

15. The CLR debugging services let a debugger change the physical location of the instruction pointer during execution, although this may be a dangerous operation. In which of the following conditions may the instruction pointer be changed successfully?

16. What happens when you add a Silverlight Key-Frame animation in your application whose Duration property is Automatic or equal to the time of the last key frame?

17. Consider the XAML code given below. Which color will apply to the background if you add this code into your application? </p><p> <Setter Property="Background" Value="Green"/></p><p> Hello

18. What is the function of the TextBlock control in Silverlight?

19. What is the function of the "Peek" method that can be performed on a stack and its elements?

20. Which of the following Microsoft applications/tools is meant for creating graphical interfaces for web and desktop applications that blend the features of these two types of applications?

21. Which of the following is correct if you define the accessibility of the member as "family" in a class?

22. Which of the following is NOT true of Silverlight.js?

23. Which of the following is NOT a property of the "Exception" class?

24. Which of the following are valid Sliverlight data bindings?

25. Which of the following statements is INCORRECT with regard to Geometry Vs. Shape objects in Silverlight?

26. Which of the following controls allows you to set the content and header of a tab in TabControl?

27. Which of the following operations can be performed by the "Interlocked" class when included in your Silverlight application?

28. Which of the following dynamic languages can be used for application development in Silverlight?

29. When you configure an application for Out-of-Browser Support, what does property marked as A (see image) indicates in the AppManifest.xml file?

30. Can debugging take place on Silverlight code and JavaScript code at the same time?

31. Which of the following MediaElement methods and properties does NOT affect VideoBrush when you paint an area with a video in Silverlight?

32. Which of the following is correct in relation to a Cryptographic hash when using Cryptographic Services in Silverlight?

33. Which of the following Interpolation methods is NOT supported by Key-Frame animations?

34. What does the Silverlight Debugging API "GetStartupNotificationEvent" function do?

35. Suppose you put a GridSplitter control into a cell on a Grid by setting the value of HorizontalAlignment and VerticalAlignment properties to stretch. What will be the result when you run your application?

36. By default, when an error message is selected in the ValidationSummary control, it attempts to set focus on the control where the error originated. How will you disable this behavior?

37. Which of the following wildcard characters is NOT allowed for domain uri (marked as B in the image) in the Silverlight Policy File?

38. What is the correct order of values (from highest to lowest precedence) that the Silverlight property system uses when assigning the run-time values of dependency properties?

39. Which of the following is NOT a restriction that you come across if you want to host your Silverlight application and store your images on different servers?

40. Which of the following is incorrect with regard to the IConvertible interface in the .NET Framework for Silverlight?

41. Which of the following is INCORRECT with regard to enumerations in the .NET Framework for Silverlight?

42. This property is an IDictionary that can hold arbitrary data in key-value pairs.

43. What is the function of the InnerException property of the "Exception" class?

44. What is the functions of Common Type System in the .NET Framework for Silverlight?

45. Which of the following is the correct description of a sealed class in the .NET Framework for Silverlight?

46. Which of the discrepancies are found in the below code:

47. Can you add the reference of a Class library project in a Silverlight application project?

48. What is the usage of RelativeSource, a markup extension that is defined under the default Silverlight XAML namespace?

49. Which of the following modes of debugging are supported by the Silverlight CLR debugging API?

50. Which of the following properties will you use if you want to apply the same property settings to multiple ScrollViewer controls?

51. Which of the following is INCORRECT in relation to Transparent code in Silverlight?

52. Which of the following file formats are supported by the Image class when you add an Image control in your application to display images?

53. Which of the following is/are INCORRECT with regard to interfaces in the .NET Framework for Silverlight?

54. What is the function of a StackPanel control in Silverlight?

55. Silverlight offers a subset of the functionality provided by Windows Presentation Foundation (WPF) and enables you to build rich internet applications that are easy to deploy. Which of the following Windows Presentation Foundation (WPF) features are NOT supported by Silverlight?

56. Which of the following widening conversions can be performed on the datatype "Int32" without loss of information using the .NET Framework for Silverlight?

57. Which property of the InkPresenter will you use if you want to contain the ink within the InkPresenter control?

58. Which of the following methods of the Socket class reads incoming data into one or more buffers from a connected socket?

59. Which of the following types of Media are currently supported by Silverlight?

60. Which of the following options helps your Silverlight applications run faster, smoothly?

61. How can you protect your Silverlight client application against malicious services?

62. The Profiling API can retrieve information about actions and events occurring in the CLR. Which of the following actions/events can it retrieve?

63. Which of the following is INCORRECT with regard to the use of Silverlight brush objects to paint an area with Linear Gradient?

64. Which of the following is NOT a feature of Silverlight?

65. Which of the following is NOT a valid security level for Silverlight code?

66. Which of the following Networking security policy files are supported by Silverlight?

67. Which of the following is incorrect with regard to the use of Multithreading on a single-processor computer?

68. Which of the following Core Presentation Component features of the Silverlight platform helps in enabling dynamic positioning of UI elements?

69. Which of the following is TRUE about Managed API Error handling?

70. What is between a Parent Panel and a Child Element?

71. Which of the following is NOT a feature of .NET framework for SIlverlight?

72. Which of the following Microsoft.Win32.SafeHandles Namespace class provides a base class for Win32 safe handle implementations in which the value of -1 indicates an invalid handle?

73. Which of the following classes enable the API/program to submit requests to a HTTP based Web service?

74. What style are XAML placeholders typically in?

75. Does Silverlight have a protocol to defend against DOS attacks?

76. Which of the following Microsoft.Win32.SafeHandles Namespace class provides a base class for Win32 critical handle implementations?

77. Which of the following is a VALID requirement for properties of a custom class as XAML attributes?

78. Which of the following provide the foundation for building Web services for a Silverlight client application ?

79. How can you set attached properties in XAML ?

17.
Consider the XAML code given below. Which color will apply to the background if you add this code into your application?

46.
Which of the discrepancies are found in the below code:

55.
Silverlight offers a subset of the functionality provided by Windows Presentation Foundation (WPF) and enables you to build rich internet applications that are easy to deploy. Which of the following Windows Presentation Foundation (WPF) features are NOT supported by Silverlight?