The textbook states that mass market training materials may change the role of user trainer from preparer and presenter to coordinator and evaluator.

A(n) ________ is best used for providing services that bring together objects of otherwise unrelated classes.

a) abstract class b) concrete class c) interface d) None of the above.

____________________ is similar to InfiniBand in that it too is a serial, high-speed network that connects a computer to multiple input/output devices.?

Fill in the blank(s) with the appropriate word(s).