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Microsoft 70-513 Exam Syllabus Topics:

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

1. You have a Windows Communication Foundation (WCF) service.
The service has issues with performance when it receives messages on a specific endpoint. The service must collect the minimum number of performance counters to diagnose the message issues.
You need to configure the service.
In the web.config file for the service, what should you do?

A) In the service configuration diagnostics section, set the value of the performanceCounters property to ServiceOnly.
B) Enable the Windows Management Instrumentation (WMI) provider.
C) Enable message logging for the endpoint.
D) In the service configuration diagnostics section, set the value of the performancCounters property to All.

2. You are integrating a Windows Communication Foundation (WCF) service within an enterprise-wide Service
Oriented Architecture (SQA)
Your service has the following service contract.
[ServiceContract]
public class CreditCardConfirmationService { [OperationContracti public Boolean ConfirmCreditCard(string cc Number double orderAmount, nmt orderNumber) { )
)
You need to allow the code in the ConfirmCreditCard method to participate automatically in existing transactions. If there is no existing transaction, a new transaction must be created automatically.
What should you do?

A) Add an [OperationBehavior(TransactionScopeRequired true)] attribute to the ConfirmCreditCard method.
B) Inside the ConfirmCreditCard method, surround the code that must participate in the transaction with a using(new TransactionScopeO) block
C) Add an [OperationBehavior(TransactionAutoComplete true)J attribute to the ConfirmCreditCard method.
D) Inside the ConfirmCreditCard method, surround the code that must participate in the transaction with a using(new CommittableTransactionO) block.

3. You develop a Windows Communication Foundation (WCF) service that uses basic authentication for client credentials. This service is currently configured to use message security.
The service is hosted on a server in workgroup mode.
Users report that their passwords are stolen when they use public computers. You need to ensure that messages are secure and users are authenticated.
You prevent the service from being called over HTTP through Microsoft Internet Information Services (IIS) configuration.
What should you do next?

A) Use the transport security mode and specify None for transport client credential type.
B) Use the transportWithMessageCredential security mode and specify None for the transport client credential type.
C) Use the transportWithMessageCredential security mode and specify Basic for the transport client credential type.
D) Use the message security mode and specify Basic for the transport client credential type.

4. A Windows Communication Foundation (WCF) service is self-hosted in a console application.
The service implements the ITimeService service interface in the TimeService class.
You need to configure the service endpoint for HTTP communication.
How should you define the service and endpoint tags?

A) Define the service tag as follows.
<service name="TimeService">
Define the endpoint tag as follows.
< endpoint kind="TimeService"
address="http://localhost:8080/TimeService"
binding="wsHttpBinding"
contract="ITimeService"/>
B) Define the service tag as follows.
<service name="TimeService">
Define the endpoint tag as follows.
<endpoint address="http://localhost:8080/TimeService"
binding="wsHttpBinding"
contract="ITimeService"/>
C) Define the service tag as follows.
<service name="ITimeService">
Define the endpoint tag as follows.
< endpoint name="TimeService"
ddress="http://localhost:8080/TimeService"
binding="wsHttpBinding"
contract="ITimeService"/>
D) Define the service tag as follows.
<service name="ITimeService">
Define the endpoint tag as follows.
< endpoint kind ="TimeService"
address="http://localhost:8080/TimeService"
binding="wsHttpBinding"
contract="ITimeService"/>

5. You are configuring services to be discoverable. The services must be discoverable without relying on a central server. Client applications that consume the services are on a network segment that is separate from the network segment that the services are located on.
A firewall blocks all TCP ports between the two network segments, but allows other protocols to pass through.
You need to ensure that the client applications can discover the services.
What should you do?

A) Use managed discovery mode over UDP.
B) Use ad-hoc discovery mode over UDP.
C) Use ad-hoc discovery mode over HTTP.
D) Use managed discovery mode over HTTP.

Solutions: