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CISA® Certified Information Systems Auditor®: Study Guide, Third Edition by David Cannon

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Understanding Network Topologies

As networks grew, creating a standardized topology for all the connections became necessary. Early networks were very proprietary. It was difficult to mix equipment from different vendors. Although this was good for the manufacturer, it drove computer users nuts. Over the years, three basic network cable topologies have become widely accepted: bus, star, and ring. Let’s look at the design of these three topologies.

Identifying Bus Topologies

One of the first topologies to become accepted was the bus topology (see Figure 4-29). This presented a relatively inexpensive method for connecting multiple computers.

Figure 4-29: Bus topology

In a bus topology, each computer is daisy-chained to the next computer. A single ...

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