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Microsoft UPG:Transition MCPD.NET Frmwrk 3.5 Web Dev to 4 Web Dev Sample Questions:

1. 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 while disconnected from the data store. Changes are submitted to the data store by using the SubmitChanges method of the DataContext object. You receive an exception when you call the SubmitChanges method to submit entities that a user has changed in offline mode. You need to ensure that entities changed in offline mode can be successfully updated in the data store. What should you do?

A) Call the SaveChanges method of DataContext with a value of false.
B) Set the DeferredLoadingEnabled property of DataContext to true.
C) Set the ObjectTrackingEnabled property of DataContext to true.
D) Call the SubmitChanges method of DataContext with a value of System.Data.Linq.ConflictMode. ContinueOnConflict.

2. You are adding a Windows Communication Foundation (WCF) service to an existing application. The
application is configured as follows. (Line numbers are included for reference only.)
01 <configuration>
02 <system.serviceModel>
03 <services>
04 <service name="Contoso.Sales.StockService"
05 behaviorConfiguration="MetadataBehavior">
06 <host>
07 <baseAddresses>
08 <add baseAddress="http://contoso.com:8080/StockService" />
09 </baseAddresses>
10 </host>
11 </service>
12 </services>
13 <behaviors>
14 <serviceBehaviors>
15 <behavior name="MetadataBehavior">
16 </behavior>
17 </serviceBehaviors>
18 </behaviors>
You need to configure the service to publish the service metadata.
Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.)

A) Add the following XML segment between lines 10 and 11. <endpoint address="" binding="mexHttpBinding" contract="IMetadataExchange"
/>
B) Add the following XML segment between lines 10 and 11. <endpoint address="" binding="basicHttpBinding" contract="IMetadataExchange"
/>
C) Add the following XML segment between lines15 and 16. <serviceDiscovery> <announcementEndpoints> <endpoint address=""/>
</announcementEndpoints>
</serviceDiscovery>
D) Add the following XML segment between lines 15 and 16 <serviceMetadata httpGetEnabled="true"/>

3. You are implementing an ASP.NET application that uses data-bound GridView controls in multiple pages. You add JavaScript code to periodically update specific types of data items in these GridView controls. You need to ensure that the JavaScript code can locate the HTML elements created for each row in these GridView controls, without needing to be changed if the controls are moved from one pa to another. What should you do?

A) Set the ClientIDMode attribute to Predictable in the web.config file.
B) Set the ClientIDRowSuffix attribute of each unique GridView control to a different value.
C) Set the @ OutputCache directive's VaryByControl attribute to the ID of the GridView control.
D) Replace the GridView control with a ListView control.

4. You are implementing an ASP.NET Web page.
You need to add a text box that allows only values between 1 and 10, inclusive, to be submitted. Which two
code segments should you use? (Each correct answer presents part of the solution. Choose two.)

A) <script type="text/javascript"> function validate_value(obj, args) { return (args.Value >= 1 && args.Value <= 10); } </script>
B) <asp:TextBox ID="txt1" runat="server" /> <asp:CustomValidator ID="val1" runat="server" ControlToValidate="txt1" ClientValidationFunction="validate_value" ErrorMessage="Value invalid" />
C) <script type="text/javascript"> function validate_value(obj, args) { args.IsValid = (args.Value >= 1 && args.Value <= 10); } </script>
D) <asp:TextBox ID="txt1" runat="server" onChange="validate_value(this, args)" />

5. You are designing an ASP.NET 4 Web application that will integrate third-party components.
You need to minimize the security risks of using these components.
Which approach should you recommend?

A) Apply role-based security with declarative checks.
B) Store the components in the global assembly cache.
C) Use the third-party components on a separate server.
D) Use an appropriately permitted AppDomain for each component.

Solutions: