What language allows CORBA (Common Object Request Broker Architecture) objects to communicate via a message interface?

A.
Distributed Component Object Model (DCOM)

B.
Interface Definition Language (IDL)

C.
Object Linking and Embedding (OLE)

D.
Object Management Guidelines (OMG)

Explanation:
Answer B is correct; Interface Definition Language (IDL) allows CORBA objects to communicate via a message interface.

Incorrect Answers and Explanations: A, C, and D: Answers A, C, and D are incorrect. DCOM (Distributed Component Object Model) is a Microsoft object broker that locates objects over a network. Object Linking and Embedding (OLE), is a part of DCOM that provides a way to link documents to other documents. Object Management Guidelines is a distracter answer, playing off the ream OMG: Object Management Group (OMG) developed CORBA.