Question 1 of 120
Create a WCF service
Which of the following are true regarding WCF Services and their contracts?
(Choose all that apply)
A complex type does not need to be serializable as long as all its properties are serializable.
Each service must have a corresponding Interface class.
The ServiceContract and OperationContract attributes can be applied to either the contract or the implementation.
The ServiceContract and OperationContract attributes must be applied to the contract, not the implementation.