21
WORKSTATIONS
The Weakest Link
Why is it drug addicts and computer aficionados are both called users?
—CLIFFORD STOLL
INTRODUCTION
At the user end of our networks are typically workstations (or personal computers). Over the years, workstations have evolved first to supplement mainframe computer terminals (dumb terminals) and then to replace them. Few companies still employ dumb terminals. PC-based workstations, laptops, and mobile devices have become so inexpensive that they can be found all across companies performing a wide range of functions. And, from a business continuity point of view, this is exactly the problem.
Mainframe computers centralized computing power and also centralized data storage. To view data stored by a mainframe required ...
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