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Microsoft TS: Windows Communication Foundation velopment with Microsoft .NET Framework 4 Sample Questions:

1. You are developing a Windows Communication Foundation (WCF) REST service to provide access to a library book catalog. The following code segment defines the service contract. (Line numbers are included for reference only.)

Library patrons want the ability to search the catalog by title.
You need to ensure that the GetBookByTitle method is exposed as a service method.
Which code segment should you insert at line 04?

A) <WebGet(UriTemplate:="BookByTitle/{title)")>
B) <WebGet(UciTemplate:-"Book/{titleToSeacch)")>
C) <WebGet(UriTemplate:="Book/{title}")>
D) <WebGet(UriTemplate:-"{titleToSearch}")>

2. You are developing a Windows Communication Foundation (WCF) service. The service needs to access out-of-process resources.
You need to ensure that the service accesses these resources on behalf of the originating caller.
What should you do?

A) Set the PrincipalPermissionAttribute on the service contract and update the binding attribute in the endpoint element of the configuration file to wsHttpBinding.
B) Set the PrincipalPermissionAttribute on the service contract and update the bindingConfiguration attribute in the endpoint element of the configuration file to wsHttpBinding.
C) Set the value of ServiceSecurityContext.Current.WindowsIdentity.ImpersonationLevel to TokenImpersonationLevel.Impersonation.
D) Set the value of ServiceSecurityContext.Current.WindowsIdentity.ImpersonationLevel to TokenImpersonationLevel.Delegation.

3. You are debugging a Windows Communication Foundation (WCF) service.
The service uses signed and encrypted messages.
You need to configure logging so that you can read the contents of the messages.
What should you do?

A) Set maxMessagesToLog to 10.
B) Set logMessageAtServiceLevel to true.
C) Set logMessageAtTransportLevel to true.
D) Set maxSizeMessagesToLog to 10

4. DRAG DROP
You have a client application that uses an existing Windows Communication Foundation (WCF) service. The client application contains a defined EndpointAddress object named endpointAddress.
A class named ServiceClient is generated by using the Svcutil tool to invoke the WCF service. Instances of the ServiceClient class are created as follows:
ServiceClient client = new ServiceClient(CreateBinding(), endpointAddress);
The client application must meet the following requirements:
- Optimize message-level security when transporting both text files and large files. - Provide transport-level security by using the HTTPS protocol.
You need to create the code for the CreateBinding() method.
Which four code segments should you use in sequence? (To answer, move the appropriate four code segments from the list of code segments to the answer area and arrange them in the correct order.)

5. You develop a Windows Communication Foundation (WCF) service. You enable all
performance counters and run multiple calls to the service.
The service must isolate session data for each user.
You need to monitor the instancing behavior used in the service.
Which performance counter should you monitor?

A) ASP.NET State Service\State Server Sessions Total
B) ServiceModelService 4.0.0.0\Instances
C) ASP.NET State Service\State Server Sessions Active
D) ServiceModelService 4.0.0.0\Calls

Solutions: