Interview Questions

1. What is a contract?

Options:

a. contract will provide information about what a service provides fro client

b. Contract provides address to the client

c. contract provides how the service and client are binded

Reveal Answer

2. What is ServiceContract?

Options:

a. Service contract will implement the service methods

b. Service contract are used to define user defined types on the service

c. Service Contract describes what the service can do

Reveal Answer

3. What is an OperationContract?

Options:

a. Interface in the service is declared as OperaionContract

b. User defined types in service are defined as OperationContract

c. A set of actions which service will provide is called OperationContract

Reveal Answer

4. What are the properties of ServiceContract?

Options:

a. ConfigurationName

b. Name and Namespace

c. Callback contract

d. HasProtectionLevel and protectionLevel

e. All the above

Reveal Answer

5. What is DataContract?

Options:

a. DataContract is used for serializing the object.

b. DataContract describes what the service can do

c. A set of actions which service will provide is called DataContract

Reveal Answer

6. Can a DataContract accommodates with later versions?

Options:

a. Yes

b. No

Reveal Answer

7. What are the properties of DataContract?

Options:

a. Name

b. Namespace

c. both a & b

Reveal Answer

8. What a Datacontract consists of?

Options:

a. DataMembers

b. Operation Members

c. Service Members

d. None

Reveal Answer

9. What is a DataMember?

Options:

a. Members of DataContract

b. Members of ServiceContract

c. Members of OperationContract

Reveal Answer

10. What are DataMember attributes?

Options:

a. IsRequired

b. Name

c. Order

d. all the above

Reveal Answer

11. Will client be affected when new parameters are added to ServiceContract?

Options:

a. Yes

b. No

Reveal Answer

12. Will client be affected when parameters are removed in ServiceContract?

Options:

a. Yes

b. No

Reveal Answer

13. Will there be a exception in client when parameters are modified on ServiceContract?

Options:

a. Exception will occur

b. No Exception will be raised

c. It depends upon the value of the datatype

Reveal Answer

14. Will exception be raised on client when return value types are modified on the ServiceContract?

Options:

a. Exception will occur

b. No Exception will be raised

c. It depends upon the value of the datatype

Reveal Answer

15. Will it affect the client when new operations are added on the ServiceContract?

Options:

a. It will affect client

b. It will not affect client

Reveal Answer

16. Will there be an exception on client when existing operations are removed on ServiceContract?

Options:

a. Yes

b. No

Reveal Answer

17. Will client be affected when new non- required members are added to DataContract ?

Options:

a. Yes

b. No

Reveal Answer

18. Will client be affected when new required members are added to DataContract ?

Options:

a. Yes

b. No

Reveal Answer

19. How client will be affected when we remove non-required members on DataContract ?

Options:

a. Yes

b. No

Reveal Answer

20. Will client be affected when we remove required members on DataContract ?

Options:

a. Yes

b. No

Reveal Answer

21. Will client be affected when we modify existing member data types on DataContract ?

Options:

a. Yes

b. No

c. based on the campatibility of datatype

Reveal Answer

22. What are Known Types?

Options: Reveal Answer

23. In what circumstances we will use Known Types?

Options:

a. When data contract is derived from the expected data contract. In that case, the transmitted data does not have the same data contract as expected by the receiving endpoint

b. When the declared type for the information to be transmitted is an interface

c. When the declared type for the information to be transmitted is Object

d. All the above

Reveal Answer

24. What are the different ways we can mention Known types in service?

Options:

a. In ServiceContract of service

b. In DataContract of service

c. In service config file

d. All the above

Reveal Answer

Interview Questions and Answer

1. What is a contract?

2. What is ServiceContract?

3. What is an OperationContract?

4. What are the properties of ServiceContract?

5. What is DataContract?

6. Can a DataContract accommodates with later versions?

7. What are the properties of DataContract?

8. What a Datacontract consists of?

9. What is a DataMember?

10. What are DataMember attributes?

11. Will client be affected when new parameters are added to ServiceContract?

12. Will client be affected when parameters are removed in ServiceContract?

13. Will there be a exception in client when parameters are modified on ServiceContract?

14. Will exception be raised on client when return value types are modified on the ServiceContract?

15. Will it affect the client when new operations are added on the ServiceContract?

16. Will there be an exception on client when existing operations are removed on ServiceContract?

17. Will client be affected when new non- required members are added to DataContract ?

18. Will client be affected when new required members are added to DataContract ?

19. How client will be affected when we remove non-required members on DataContract ?

20. Will client be affected when we remove required members on DataContract ?

21. Will client be affected when we modify existing member data types on DataContract ?

22. What are Known Types?

23. In what circumstances we will use Known Types?

24. What are the different ways we can mention Known types in service?

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