During the ________ stage of the product life cycle, product sales may plunge to zero, or drop to a low level where they continue for many years

In general, it costs ________ times more to replace a customer than it costs to keep a customer

A) two B) three C) four D) five E) six

For general-purpose stream-oriented transmission you would typically use _______ mode

A. CTR B. CFB C. ECB D. CBC