A serviced component is a class that is inside all the CLS-complaint languages. It derives directly or indirectly from the System.EnterpriseServices.ServicedComponent class. This way of configuring the classes allows to be hosted in a COM+ application and is able to use COM+ services.

Merge Module projects enable creation and deployment of code that can be shared by multiple applications. This may include Dll?s, resource files, registry based entries etc. The Windows database also keeps track of a reference count for those projects.

With .NET Framework 4.5 background garbage collection is automatically enabled for servers for performance improvement.

Yes, there is subset of managed types available with .NET Framework 4.5 to develop Windows Store Apps. Using these managed types we can develop Windows Store Apps with our favorite language C# or Visual Basic. These managed types resides in namespaces starts with System and the Windows Runtime types reside in namespaces that starts with Windows together make framework for  development of Windows Store Apps.

Mock-ups are a set of designs in the form of screens, diagrams, snapshots etc., that helps verify the design and acquire feedback about the applications requirements and use cases, at an early stage of the design process.

There are three types of authentication available in ASP.NET:
Windows Authentication - This authentication method uses built-in windows security features to authenticate user.
Forms Authentication - authenticate against a customized list of users or users in a database.
Passport Authentication - validates against Microsoft Passport service which is basically a centralized authentication service.

Response.Redirect: A new request is generated from client-side for redirected page. Its a kind of additional round trip. As new request is generated from client, so the new URL is visible to user in browser after redirection.
Server.Transfer: A request is transferred from one page to another without making a round trip from client. For the end user, URL remains the same in browser even after transferring to another page.

Custom controls are basically compiled code i.e. DLLs. These can be easily added to toolbox, so it can be easily used across multiple projects using drag and drop approach. These controls are comparatively hard to create.
User Controls (.ascx) are just like pages (.aspx). These are comparatively easy to create but tightly couple with respect to User Interface and code. In order to use across multiple projects, we need to copy and paste to the other project as well.

The system.Diagnostics namespace contains the Debug and Trace classes that include shared methods.The difference between these two classes is in the way Trace and Debug statements are treated at the of creating a release build.

  • Trace statements are included by default when the program is compiled in to release build,where as debug statements are not.
  • The Debug class is used for debugging,however, the Trace class is used for testing and optimization even after an application is compiled and released.

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