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单选题A client application calls a Windows Communication Foundation (WCF) service with a proxy class that was generated by Visual Studio.The service binding was changed from wsHttpBinding to basicHttpBinding. The method signatures in the service contract are

题目
单选题
A client application calls a Windows Communication Foundation (WCF) service with a proxy class that was generated by Visual Studio.The service binding was changed from wsHttpBinding to basicHttpBinding. The method signatures in the service contract are changed.After these changes, the client application receives errors when calling methods on the service.You need to ensure that the client can invoke methods on the service successfully. What should you do?()
A

Update the configuration file to use basicHttpBinding.

B

Enable anonymous authentication for the service.

C

Copy the configuration file elements under the element from the service back to the client.

D

Update the service reference.

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相似问题和答案

第1题:

You are developing a client application that consumes a Windows Communication Foundation (WCF) service.The operation contract is as follows.[OperationContract][FaultContract(typeof(SalesFault))]string GetSales(string saleId);()The service configuration file contains the following line in the serviceBehaviors section.A divide-by-zero exception is not being handled by the service.You need to ensure that the exception is caught in the client application.Which type of exception should the client catch?()

A. TimeoutException

B. FaultException

C. DivideByZeroException

D. FaultException<SalesFault>


参考答案:B

第2题:

You want to debug the Windows Communication Foundation (WCF) client and server interaction through message and application tracing.You need to correlate traces generated on the client and the server. Which XML segment should you add to the system.diagnostics configuration element in the client and server application configuration file?()

A.

B.

C.

D.


参考答案:A

第3题:

You are developing a Windows Communication Foundation (WCF) service.You enable message logging, trace listeners, activity propagation, and tracing on the trace sources.You have the following code segment in the client application. (Line numbers are included for reference only.)01 Guid multiCallActivityId = Guid.NewGuid();02 TraceSource ts = new TraceSource("Multicall");03 Trace.CorrelationManager.ActivityId = multiCallActivityId;04You encounter errors when your client application consumes the service.You need to ensure that your client application can correlate tracing information with the service.Which code segment should you add at line 04?()

A.

B.

C.

D.


参考答案:C

第4题:

Which server stack communication layer corresponds to the client application layer in a distributed environment?()

  • A、RDBMS
  • B、Application
  • C、Oracle Net foundation
  • D、Network Protocol
  • E、Presentation

正确答案:A

第5题:

Your Windows Communication Foundation (WCF) client application uses HTTP to communicate with the service.You need to enable message logging and include all security information such as tokens and nonces in logged messages.What should you do?()

A.

B.

C.

D.


参考答案:D

第6题:

You are creating an application that consumes a Windows Communication Foundation (WCF) service. The service implements the IService contract. The client application contains the CallbackHandler class, which implements IServiceCallback.You need to ensure that a client proxy is created that can communicate with the service over a duplex channel.Which code segment should you use?()

A.

B.

C.

D.


参考答案:B

第7题:

A Windows Communication Foundation (WCF) service only accepts messages that are signed and encrypted. A client application is not receiving expected responses from the service. You need to enable logging to verify that the messages from the client are signed and encrypted. You also need to see what each message looks like before the message body is deserialized into a NET object. What should you do?()

A.

B.

C.

D.


参考答案:C

第8题:

You are developing a Windows Communication Foundation (WCF) service. Client applications require reliable sessions to access the service.Users report that they receive ServerTooBusyException errors when their client application tries to establish a session. You need to ensure that the service can handle a minimum of 30 client connection requests.Which ReliableSessionBindingElement property should you configure?()

A. MaxRetryCount

B. MaxTransferWindowSize

C. MaxPendingChannels

D. InactivityTimeout


参考答案:C

第9题:

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 OperationContractAttribute, set the ReplyAction property value to the endpoint address of the client. For interactive and self-paced preparation of exam 70-513, try our practice exams. Practice exams also include self assessment and reporting features!
  • C、 On the client, create a proxy derived from DuplexClientBase(Of TChannel).
  • D、 On the client, use GetCallbackChannel(Of T).

正确答案:C

第10题:

You are creating a Windows Communication Foundation (WCF) service. The service endpoints change frequently. On the service, you add a new ServiceDiscoveryBehavior to the Behaviors collection of the ServiceHost Description property. You need to ensure that client applications can communicate with the service and discover changes to the service endpoints. What should you do?()

  • A、Add a new ServiceDiscoveryBehavior to the Behaviors collection in the client application.
  • B、Add a new AnnouncementClient to the Behaviors collection in the client application.
  • C、Use the FindCriteria class and the UdpDiscoveryEndpoint class to set up the binding in the client application.
  • D、Use the DiscoveryProxy class and the EndpointDiscoveryMetadata class to set up the binding in the client application.

正确答案:C

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