Which of the following is used in the Distributed Computing Environment technology?

A.
A globally unique identifier (GUID)

B.
A universal unique identifier (UUID)

C.
A universal global identifier (UGID)

D.
A global universal identifier (GUID)

Explanation:
B: A universal unique identifier (UUID) is used by DCE, and a globally unique identifier (GUID) is used by DCOM. DCE and DCOM both need a naming structure to keep track of their individual components, which is what these different naming schemes provide.