單項(xiàng)選擇題

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）.

你可能感興趣的試題

單項(xiàng)選擇題

You are creating a Windows Communication Foundation （WCF） service that implements operations in a RESTful manner.You need to add a delete operation. You implement the delete method as follows. string void DeleteItems（string id）；You need to configure WCF to call this method when the client calls the service with the HTTP DELETE operation. What should you do？（）

A. Add the WebInvoke（UriTemplate = "/Items/{id}"，Method="DELETE"） attribute to the operation.
B. Add the HttpDelete attribute to the operation.
C. Replace the string parameter with a RemovedActivityAction parameter.
D. Replace the return type with RemovedActivityAction.

單項(xiàng)選擇題

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.

99色精品-9色在线-99色在线-99色视频 国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

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？ （）

你可能感興趣的試題

99色精品-9色在线-99色在线-99色视频国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

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？（）