You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create an application. You use the ADO.NET Entity Data Model (EDM) to define a Customer entity. You need to add a new Customer to the data store without setting all the customer's properties. What should you do?

• A. Override the SaveChanges method for the Customer object.
• B. Call the Create method of the Customer object.
• C. Override the Create method for the Customer object.
• D. Call the CreateObject method of the Customer object.

You are creating an ASP.NET Web site. The site contains pages that are available to anonymous users.
The site also contains a page named Premium.aspx that provides premium content to only members of a
group named Subscribers.
You need to modify the web.config file to ensure that Premium.aspx can be accessed by only members of
the Subscribers group.
Which configuration should you use?

• A. <location path="Premium.aspx"> <system.web> <authorization> <deny users="*"/> <allow roles="Subscribers"/>
  </authorization>
  </system.web>
  </location>
• B. <location path="Premium.aspx"> <system.web> <authorization> <allow roles="Subscribers"/> <deny users="?"/> </authorization> </system.web> </location>
• C. <location path="Premium.aspx"> <system.web> <authorization> <allow users="Subscribers"/> <deny users="*"/> </authorization> </system.web> </location>
• D. <location path="Premium.aspx"> <system.web> <authorization> <allow roles="Subscribers"/> <deny users="*"/> </authorization> </system.web> </location>

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A Windows Communication Foundation (WCF) service is responsible for transmitting XML documents between systems. The service has the following requirements: *It must minimize the transmission size by attaching the XML document as is without using escape characters or base64 encoding. *It must interoperate with systems that use SOAP but are not built on the .NET platform. You need to configure the service to support these requirements. Which message encoding should you use?

• A. MTOM (Message Transmission Optimization Mechanism) message encoding
• B. Binary message encoding
• C. Text message encoding with message version set to none
• D. Text message encoding with message version set to SOAP 1.2

You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create an application. The
application uses the ADO.NET Entity Framework to model entities. The application allows users to make
changes to entities while disconnected from the central data store.
You need to ensure that when the user connects to the central data store and retrieves new data, the
application meets the following requirements:
*Changes made to the local data store in disconnected mode are preserved.
*Entities that have already been loaded into the local data store, but have not been modified by the user,
are updated with the latest data.
What should you do?

• A. Call the Refresh method of ObjectContext by using the RefreshMode.ClientWins method.
• B. Call the query's Execute method by using the MergeOptions.OverwriteChanges option.
• C. Call the Refresh method of ObjectContext by using the RefreshMode.StoreWins option.
• D. Call the query's Execute method by using the MergeOptions.AppendOnly option.

You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create an application. The application connects to several SQL Server databases. You create a function that modifies customer records that are stored in multiple databases. All updates for a given record are performed in a single transaction. You need to ensure that all transactions can be recovered. What should you do?

• A. Call the Reenlist method of the TransactionManager class.
• B. Call the EnlistVolatile method of the Transaction class.
• C. Call the EnlistDurable method of the Transaction class.
• D. Call the RecoveryComplete method of the TransactionManager class.