What are the advantages of the OSI reference model?( )
A.
The OSI reference model provides compatibility between devices and A standard interface that facilitates standardization
B.
The OSI reference model is a theoretical description of the process of information transmission that occurs between network devices and defines how each layer of functionality can be achieved through hardware and software
C.
An important feature of the OSI reference model is its layered architecture. Hierarchical design approach can transform large and complex problems into several smaller and manageable problems
D.
neither of the above statements is true