Set the ProtectionLevel property in line 01 to EncryptAndSign.
Set the ProtectionLevel property in line 04 and line 06 to Sign.
Add a SecurityCriticalAttribute ror each operation.
Add a SecunitySafeCriticalAttribute for each operation.
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>
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.
第3题：
You are developing a Windows Service. The Windows Service will host a Windows Communication Foundation (WCF) service.The Windows Service class will inherit from ServiceBase.You need to ensure that the WCF service starts when the Windows Service is restarted.What should you do in the Windows Service class?（）
A.
B.
C.
D.
第4题：
A.
B.
C.
D.
第5题：
A. AnnouncementService
B. AnnouncementClient
C. DiscoveryClient
D. HttpListener
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.
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.
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
第9题：
Windows Communication Foundation (WCF) service is self-hosted in a console application. The service implements the lTimeService 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.
B.
C.
D.
第10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.