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Category: 70-487 (v.1)

Exam 70-487: Developing Windows Azure and Web Services (update August 15th, 2013)

You need to ensure that the new version of the library will be used by all applications as soon as possible

You are developing a library to support multiple ASP.NET MVC web applications on a shared server. The
library provides implementations of security algorithms. If a problem with any of the security algorithms is
discovered, a new version of the library must be created and deployed. Application downtime during theupdate
must be minimized. You need to ensure that the new version of the library will be used by all applications as
soon as possible. What should you do?

You need to create a query expression to display all of the grades for students whose first name is "John

You are developing an application in Visual Studio 2012 to display student information. The application contains
the following Entity Framework model.

The application contains a WCF data service named DirectoryService.svc. You need to create a query
expression to display all of the grades for students whose first name is “John” How should you build the
expression?

Which message pattern should you choose?

You are developing a WCF service that compares several data sources. The service takes a long time to
complete. The service must meet the following requirements:
· The client must be able to continue processing while the service is running.
· The service must initiate communication with the client application when processing is complete.
You need to choose a message pattern to meet the requirements. Which message pattern should you choose?


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