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

1. You are creating a distributed application by using Microsoft .NET Framework 3.5.
You use Windows Communication Foundation (WCF) to create the application. The operations provided by the WCF server use the remote resources of other computers.
These methods use the credentials provided by the client applications. You need to ensure that the WCF server can impersonate the client applications to access the remote resources.
Which client application settings should you use?

A) <windows allowedlmpersonationl_evel="lmpersonation"/>
B) <windows allowedlmpersonationLevel="Delegation"/>
C) <windows allowedlmpersonationl_evel="ldentification"/>
D) <windows allowedlmpersonationLevel="lmpersonation" allowNtlm="false"/>

2. You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You write the following code segment.

You have not deployed the IMathService service.
You need to expose the AddNumbers (a As Double, b As Double) As Double operation to
the IMathService service contract.
Which code segment should you use?

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

3. You create a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. Client applications that run on different platforms access the WCF service.
These applications transmit confidential data to the WCF service. You write the following binding configuration.
....
<binding name="TransportSecurity" >
<security mode="Transport" />
</binding>
...
You need to configure the service for optimum interoperability and optimum security.
Which code fragment should you use?

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

4. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You create the following service contract.

You need to create an endpoint for the service contract in the application configuration file.
Which endpoint should you use?

A) <endpointaddress="" binding="basicHttpBinding" _ contract="MyServices.ServiceConfig"/>
B) <endpointaddress="" binding="basicHttpBinding" _ contract="ServiceConfig"/>
C) <endpointaddress="" binding="basicHttpBinding" _ contract="HyService"/>
D) <endpointaddress="" binding="basicHttpBinding" _ contract="MyServices.MyService"/>

5. You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You write the following code segment.

The service uses a transactional binding. The TransactionFlow property for the binding is set to true. You need to ensure that the MyMethod method meets the following requirements:
Which code segment should you insert at line 05?

A) [OperationBehavior(TransactionScopeRequired=false)] [TransactionFlow(TransactionFlowOption.Mandatory)]
B) [OperationBehavior(TransactionScopeRequired=false)] [TransactionFlow(TransactionFlowOption.Allowed)]
C) [OperationBehavior(TransactionScopeRequired=true)] [TransactionFlow(TransactionFlowOption.Allowed)]
D) [OperationBehavior(TransactionScopeRequired=true)] [TransactionFlow(TransactionFlowOption.Mandatory)]

Solutions: