Windows Communication Foundation （WCF） application uses a data contract that has several data members. You need the application to throw a Serialization Exception if any of the data members are not present when a serialized instance of the data contract i

题目

Windows Communication Foundation （WCF） application uses a data contract that has several data members. You need the application to throw a Serialization Exception if any of the data members are not present when a serialized instance of the data contract is deserialized. What should you do？（）

A、 Add the Known Type attribute to the data contract.Set a default value in each of the data member declarations.
B、 Add the Known Type attribute to the data contract.Set the Order property of each data member to unique integer value.
C、 Set the Emit Default Value property of each data member to false.
D、 Set the Is Required property of each data member to true.

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相似问题和答案

第1题：

You are developing an application that performs file backups in the background. The background application will host a Windows Communication Foundation (WCF) service and must be active as soon as the machine is running. The background application will not have a user interface. A front-end application will consume the WCF service and will provide the user interface.You need to choose a host environment for the WCF service.Which hosting environment should you choose? （）

A. Microsoft Internet Information Services (IIS) 6.0

B. Windows Process Activation Services (WAS)

C. A Windows Forms application

D. A Windows Service

参考答案：D

第2题：

A Windows Communication Foundation (WCF) service is required to log all authorization attempts to the Windows Event Log. You need to configure a behavior and apply it to the service to support this requirement. Which behavior should you configure and apply?（）

A. service Authentication Manager

B. service Authorization

C. service Credentials

D. service Security Audit

参考答案：D

第3题：

There are two kinds of cross－cultural communication: () communication and bilateral communication.

A、verbal

B、successful

C、unilateral

D、unsuccessful

参考答案：C

第4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?（）

参考答案：D

第5题：

A Windows Communication Foundation (WCF) service sends notifications when the service is started and stopped.You need to implement a client that logs these notifications. Which class should you use?()

A. AnnouncementService

B. AnnouncementClient

C. DiscoveryClient

D. HttpListener

参考答案：A

第6题：

You are developing a Windows Communication Foundation (WCF) service. The service configuration file has a element defined. You need to ensure that all security audit information, trace logging, and message logging failures are recorded.Which configuration segment should you add to the element?（）

参考答案：C

第7题：

You are using Windows Communication Foundation (WCF) to create a service. You need to implement a custom message－level security binding element. Which binding element should you use?()

A. Transport Security Binding Element

B. Https Transport Binding Element

C. Ssl Stream Secunty Binding Element

D. Windows Stream Security Binding Element

参考答案：A

第8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?（）

参考答案：B

第9题：

You are creating a Windows Communication Foundation (WCF) service. You need to ensure that the service is compatible with ASP.NET to make use of the session state. Which binding should you use?()

A. NetTcpContextBinding

B. BasicHttpContextBinding

C. NetTcpBinding

D. NetMsmqBinding

参考答案：B

第10题：

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?()

参考答案：D

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Windows Communication Foundation （WCF） application uses a data contract that has several data members. You need the application to throw a Serialization Exception if any of the data members are not present when a serialized instance of the data contract i

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