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Silverlight Interview Question

21:17 | Posted by Unknown |

Silverlight Interview Question and Answers


1. Ques: 1 What is Silverlight?
Silverlight is a cross-browser, cross-platform plug-in for delivering the next generation of Microsoft .NET-based media experiences and rich interactive applications for the Web.
Silverlight applications are run as client-side applications without the need to refresh the browser to update the UI. However, because of the built-in .NET framework, Silverlight applications can easily integrate with server-side controls and services. Using Silverlight's implementation of the .NET framework, developers can easily integrate existing libraries and code into Silverlight applications. One of the design goals of the Silverlight technology is to fill the gap between windows application and web application in terms of creating Graphical User Interface (GUI).
2. Ques: 2 Why Use Silverlight?
Support of Managed code - you can write programming in your favorite language which .NET CLR supports like C#,VB.NET, Dynamic languages(IronPython, IronRuby)
# Better development tools -Visual Studio 2010, Expression Blend.
Built-in codec support for playing VC-1 and WMV video, and MP3 and WMA audio within a browser.
Silverlight supports the ability to progressively download and play media content from any web-server.
Silverlight also optionally supports built-in media streaming.
Silverlight enables you to create rich UI and animations, and blend vector graphics with HTML to create compelling content experiences.
Silverlight makes it easy to build rich video player interactive experiences.
# Large community- available lot of learning resource as compare to Flash technology # Integration with Enterprise based technologies like WPF, LINQ etc...
# Silverlight integrates the XAML declarative language with the .NET framework
. It delivers rich video, audio, and graphics.
3. Ques: 3 Which platforms Silverlight supports?
* Mac OS
* Windows Vista
* Windows XP SP2
* Windows 2000
* Windows Server 2003
* Linux (Moonlight)
4. Ques: 5 Which browsers Silverlight supports?
Supported browsers: Microsoft Internet Explorer 6, Windows Internet Explorer 7, Mozilla Firefox 1.5.0.8, and Firefox 2.0.x.
5. Ques: 6 What are the system requirements for Silverlight?
Operating System: Windows Vista; Windows XP Service Pack 2
o Intel® Pentium® III 450MHz or faster processor (or equivalent)
o 128MB of RAM
* Mac OS
o Operating System: Apple Mac OS X 10.4.8 or above
o Intel Core™ Duo 1.83GHz or faster processor
o 128MB of RAM
6. Ques: 7 What is Moonlight?
Moonlight was built by Novell in collaboration with Microsoft which provided Novell with test suites, specifications, open source code and Media Codecs to create an entirely open sourced Silverlight-compatible implementation for Unix systems.

Access to licensed Media Codecs (MP3, WMV, VC-1) is provided by Microsoft to Moonlight 1.0 and 2.0 users. The first time that you access a web site that requires these codecs, Moonlight will prompt you to download the codecs from Microsoft and install those on your system.
* To run Silverlight applications on Linux.
* To provide a Linux SDK to build Silverlight applications.
* To reuse the Silverlight engine we have built for desktop applications.
7. Ques: 8 What is the difference between Silverlight 1.0 and 2?
* The Silverlight plug-in is a very lightweight component that is necessary for users to access Silverlight applications. The plug-in download and install take only a few moments and do not take up much hard drive space.
* The Silverlight plug-in is responsible for accessing the Silverlight object in the Web page, downloading and accessing the XAP package, setting up the program environment, and beginning execution of the application.

* When a Web page containing a Silverlight application is displayed, the user should be given a link to download the plug-in from Microsoft if the plug-in is not already installed
8. Ques: 10 What is Silverlight Runtime?
Silverlight CLR is a subset of the .NET Framework that contains components and libraries, including data integration, extensible Windows controls, networking, base class libraries, garbage collection, and the common language runtime (CLR).

Silverlight Runtime is a browser plug-in to support Silverlight enabled applications. If Silverlight runtime is not installed, browsers will not be able to run Silverlight elements in the browser. You can set up your Silverlight tags such a way that your browser will automatically prompt the user to download and install the Silverlight plug in when your application is launched in the browser.

Installing the run time is a onetime operation on the client. Once installed, it will be automatically launched when any Silverlight application is loaded in the browser.
sukhi
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