Which of the Following Is NOT a Reason Computer Networks

Which of the following is NOT a reason computer networks are essential to modern organizations?

A) Networked computer systems enable organizations to become more flexible so that they can adapt to rapidly changing business conditions.
B) Networks protect hardware, computer applications, and data so that outsiders can't access proprietary resources.
C) Networks make it possible for geographically dispersed employees and workgroups to share documents, ideas, and creative insights.
D) Networks are a critical link between businesses, their business partners, and their customers.