EMC Exam Questions

How can you provide an interface for a custom object type that gets instantiated using DFC methods s

How can you provide an interface for a custom object type that gets instantiated using DFC
methods such as getObject()?

A.
extend IDfDocument

B.
extend IDfSysObject

C.
create a TBO with an interface for the custom object type

D.
create an SBO with an interface for the custom object type