WCF (Windows Communication Foundation) MCQ Questions Answers

1. Which type of file must be provided while hosting a Windows Communication Foundation (WCF) service under the Internet Information Services (IIS) or the Windows Process Activation Service (WAS)?

2. In WCF, what is the significance of the ReceiveRetryCount property of a Poison message in the .Net Framework 4.0?

3. Which is/are the address format(s) in WCF (Windows Communication Foundation) 4.0? 1. http://localhost: 2. net.msmq://localhost: 3. net.tcp://localhost:

4. Which operating system supports the Message Queuing functionality of WCF?

5. Extension of a WCF 4 service is _______.

6. Suppose your WCF service root URL is 'http://examples.svc'. What will be the response when you request a WCF data service URL with a $skip system query option, as shown below, in the .Net Framework 4.0? http://examples.svc/Products?$skip=2&$top=2&$orderby=Rating

7. What is meant by a proxy for WCF service?

8. Which statement is false about WCF sessions?

9. Which binding support message streaming in WCF 4?

10. The WCF service can send and receive a message only through the Simple Object Access Protocol (SOAP).

11. Which option is not an isolation level provided in WCF 4?

12. In WCF 4, the DataContractSerializer translates the hash table into XML format.

13. Can you host a Windows Communication Foundation 4 service on two different protocols on a single server?

14. In WCF 4, which file(s) is/are used to define contract(s)? 1. IService.cs 2. Service.cs

15. Which OData system query option is used to determine the maximum number of records to be returned in the .Net Framework 4.0?

16. Which one is the default binding used in WCF 4?

17. Which binding in WCF 4 is used to connect to other WCF endpoints on the same machine/computer?

18. From the following options, select the correct endpoint that is used to expose Ajax services?

19. Which statement is correct about the WSHttpBinding of WCF in the .Net framework 4.0?

20. Which one is an incorrect statement regarding Windows Communication Foundation (WCF) 4.

21. Which is/are the way(s) of hosting the WCF service?

22. What is the function of the WCF Data contracts in the .Net Framework 4.0?

23. Which one about WCF is false?

24. Each WCF endpoint contains: 1.address 2.binding 3.contract

25. In which type of authentication does the service host check and validate the caller certificate information for service authentication that was sent by the client to the service communication?

26. Which endpoint in Windows Communication Foundation 4 describes a standard endpoint that is configured to use Windows Communication Foundation discovery in the application of a Windows Communication Foundation client?

27. Which one is false about WCF?

28. How many columns can you select by the $orderby OData system query option in the .Net Framework 4.0?

29. A generic Windows Communication Foundation (WCF) routing implementation that can be used within your applications is provided by the _________ Class in WCF 4.

30. The internal threading model that provides support for multi-threaded services is controlled by ____?

31. Which error handling method is not used by WCF to handle application errors?

32. Which form of serialized XML is supported by the DataContractSerializer?

33. Which encoding mechanism is not used by WCF 4?

34. Which property of the endpoints of the WCF service helps to identify the operations available?

35. Which are not the members of 'X509KeyIdentifierClauseType' enumeration?

36. From the following options, select the interface that is used to clear the Windows token cache on demand.

37. Which pre-defined binding is incorrect with regards WCF 4?

38. In WCF 4, the service contracts are like ________ and the operation contracts are like __________.

39. Which namespace contains classes through which we can send and receive messages from workflows?

40. Which situation can cause a proxy/channel error?

41. Which piece of information is provided by the WCF service contract in the .Net Framework 4.0?

42. What is the use of the 'Finaliz' method of 'SoapProcessingBehavior' class in WCF 4?

43. Following are the disarranged steps for the programming life cycle of Windows Communication Foundation (WCF). 1. Build the client application. 2. Define the Service Contract. 3. Host the service in an application. 4. Configure the Service by specifying endpoint information and other behavior information. 5. Implement the Service Contract. Which of the given answer options is the correct arrangement of the steps?

44. For which option it is an advantage that data is transmitted in a text format rather than a binary format?