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Microsoft TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation Sample Questions:

1. You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5.
You create an instance of the ServerHost class. You plan to host the WCF service in a Windows service.
You need to link the lifetime of the WCF service to the lifetime of the Windows service.
Which three actions should you perform on the instance of the ServerHost class? (Each correct answer presents part of the solution. Choose three.)

A) Override the OnStart method.
B) Subscribe to the Faulted event.
C) Override the GetLifetimeService method.
D) Override the OnStop method.
E) Override the InitializeLifetimeService method.
F) Override the RequestAdditionalTime method.

2. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. The service uses the net.tcp transport. You need to ensure that when the server starts, the service starts and continues to run. What should you do?

A) Host the service under IIS 7.0 by using IIS 6.0 compatibility mode.
B) Host the service in a Windows Presentation Foundation application.
C) Host the service under IIS 7.0 by using Windows Activation Services.
D) Host the service in a Windows service.

3. You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. The service will be hosted on a Web server. You plan to deploy the service in an existing Web application.
You need to identify the Web applications on the Web server that are registered for WCF.
Which utility should you use?

A) SvcConfigEditor.exe
B) SvcTraceViewer.exe
C) SvcUtil.exe
D) ServiceModelReg.exe

4. You are creating an endpoint for a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You create the endpoint by using a custom binding.
You write the following code segment.

You need to prevent the custom binding from making a persistent connection to the service endpoint.
Which code segment should you use?

A) Option B
B) Option D
C) Option C
D) Option A

5. You create a stateless, thread-safe service by using Microsoft .NET Framework 3.5.
You use the Windows Communication Foundation model to create the service. Load testing reveals that the service does not scale above 1,000 concurrent users. You discover that each call to the service instantiates a new service instance. You also discover that these service instances are expensive to create. You need to ensure that 5,000 concurrent users can access the service.
Which code segment should you use?

A) <ServiceBehavior(_ lnstanceContextMode:=lnstanceContextMode.Single, _ConcurrencyMode:=ConcurrencyMode.Multiple)> _
B) <ServiceBehavior(_ InstanceContextMode:=lnstanceContextMode.PerCall, _ConcurrencyMode:=ConcurrencyMode.Multiple)> _
C) <ServiceBehavior(_
lnstanceContextMode:=lnstanceContextMode.Single, _ConcurrencyMode:=ConcurrencyMode.Reentrant)> _
D) <ServiceBehavior(_ InstanceContextMode:=lnstanceContextMode.PerCall, _ConcurrencyMode:=ConcurrencyMode.Reentrant)> _

Solutions: