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

1. You are developing a Windows Communication Foundation (WCF) service that reads messages from a public non-transactional MSMQ queue.
You need to configure the service to read messages from the failed-delivery queue.
Which URI should you specify in the endpoint configuration settings of the service?

A) net.msmq://localhost/system$;DeadXact
B) net.msmq://localhost/msmq$;FailedMessages
C) net.msmq://localhost/system$;DeadLetter
D) net.msmq://localhost/msmq$;DeadLetter

2. You are moving a Windows Communication Foundation (WCF) service into production. You need to be able to monitor the health of the service.
You only want to enable all performance counter instances exposed by the ServiceModelService 4.0.0.0 counter group.
Which element should you add to the system.serviceModel section in the application configuration file?

A) <diagnostics performanceCounters="ServiceOnly" />
B) <diagnostics wmiProviderEnabled="true" performanceCounters="Off" />
C) <diagnostics performanceCounters="All" />
D) <diagnostics wmiProviderEnabled="true" />

3. You have an existing Windows Communication Foundation (WCF) service.
You need to ensure that other services are notified when the service is started.
What should you do?

A) Add a service behavior with the following element.
<serviceDiscovery>
<announcementEndpoints>
<endpoint kind="udpDiscoveryEndpoint" />
</announcementEndpoints>
</serviceDiscovery>
B) Add a service behavior with the following element.
<serviceDiscovery>
<announcementEndpoints>
<endpoint kind="udpAnnouncementEndpoint" />
</announcementEndpoints>
</serviceDiscovery>
C) Add the following standard endpoint to the service.
<endpoint name="udpAnnouncementEndpoint"
kind="udpDiscoveryEndpoint" />
D) Add the following standard endpoint to the service.
<endpoint name="udpDiscoveryEndpoint"
kind="udpAnnouncementEndpoint" />

4. An existing Windows Communication Foundation (WCF) service uses basicHttpBinding. You are releasing updates to the service and the client application.
You need to enable the client application to flow transactions to the service.
What are two possible ways to achieve this goal? (Each correct answer presents a complete solution. Choose two.)

A) Change the binding to use basicHttpContextBinding.
B) Change to a custom binding that has the httpTransport, textMessageEndcoding, and transactionFlow binding elements in this order.
C) Change the binding to use wsHttpBinding.
D) Change to a custom binding that has the transactionFlow, textMessageEncoding, and httpTransport binding elements in this order.

5. You develop a Windows Communication Foundation (WCF) service that interacts with Microsoft Message Queuing (MSMQ).
The service requires sessions. You need to create a custom binding that enables messages sent to the queue to be viewed when you are using a listener tool.
Which binding elements should you use?

A) msmqTransport and textMessageEncoding in this order
B) msmqIntegrationTransport and textMessageEncoding in this order
C) textMessageEncoding and msmqTransport in this order
D) textMessageEncoding and msmqIntegrationTransport in this order

Solutions: