You’ve created a new class and decorated it with the DataContractAttribute so that it forms a Data Contract for WCF. This class contains several attributes that you want to make available as part of the Data Contract. Currently these attributes are declared as private. What do you need to do to ensure these attributes are serializable?
A.	Add the DataMemberAttribute and change the type to public
B.	Add the DataContractAttribute to the attribute
C.	Change the type to internal
D.	Add the DataMemberAttribute or change the type to public
Answer:D
You’ve created a new class and decorated it with the DataContractAttribute so that it forms a Data Contract for WCF. This class contains several attributes that you want to make available as part of the Data Contract. Currently these attributes are declared as private. What do you need to do to ensure these attributes are serializable?
A.	Add the DataMemberAttribute and change the type to public B.	Add the DataContractAttribute to the attribute C.	Change the type to internal D.	Add the DataMemberAttribute or change the type to public