Microsoft 70-513 : TS: Windows Communication Foundation velopment with Microsoft .NET Framework 4

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

1. A Windows Communication Foundation (WCF) service has a callback contract. You are developing a client application that will call this service.
You must ensure that the client application can interact with the WCF service.
What should you do?

A) On the OperationContractAttribute, set the AsyncPattern property value to True.
B) On the client, use GetCallbackChannel (Of T).
C) On the client, create a proxy derived from DuplexClientBase(Of TChannel).
D) On the OperationContractAttribute, set the ReplyAction property value to the endpoint address of the client.

2. You have an existing Windows Communication Foundation (WCF) service that exposes a service contract over HTTP using explicit binding configuration.
You need to expose that contract over HTTP and TCP.
What should you do?

A) Add a binding configuration to the existing endpoint named netTcpBinding.
B) Add an endpoint behavior named netTcpBehavior to the existing endpoint.
C) Add a net.tcp base address to the host.
D) Add an endpoint configured with a netTcpBinding.

3. You develop a Windows Communication Foundation (WCF) service that is hosted by using
Windows Activation Services (WAS).
You need to configure the service to accept requests that use the TCP/IP protocol.
What should you do? (Each correct answer presents part of the solution. Choose two.)

A) Run the appcmd executable to enable TCP/IP service activation.
B) Run the aspnet_regiis executable to enable TCP/IP service activation.
C) In Control Panel, enable the Windows Communication Foundation HTTP Activation feature.
D) In Control Panel, enable the WCF Non-HTTP Activation feature.

4. --- -
You develop a Windows Communication Foundation (WCF) service. Many client applications will consume the service.
You have the following requirements:
You must enable client sessions on the service.
The service must support multi-threaded operations.
If a client application uses sessions, the lifetime of the service instance must be
scoped to the lifetime of the session.
If a client application does not use sessions, the lifetime of the service must be
scoped to the lifetime of a method cal
You need to configure the service.
What should you do? (Each correct answer presents part of the solution. Choose three.)

A) In the ServiceBehavior attribute, set the value of the ConcurrencyMode property to ConcurrencyMode.Multiple
B) In the ServiceBehavior attribute, set the value of the SessionMode property to SessionMode.Allowed.
C) In the ServiceBehavior attribute, set the value of the InstanceContextMode property to InstanceContextMode. PerSession.
D) In the ServiceContract attribute, set the value of the ConcurrencyMode property to ConcurrencyMode.Multiple
E) In the ServiceContract attribute, set the value of the InstanceContextMode property to InstanceContextMode.PerSession.
F) In the ServiceContract attribute, set the value of the SessionMode property to SessionMode.Allowed.

5. You are developing a Windows Communication Foundation (WCF) service that is used to check the status of orders placed by customers. The following code segment is part of your service. (Line numbers are included for reference only.)

You need to ensure that the service always listens at net.pipe://SupplyChainServer/Pipe. What should you do?

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

Solutions: