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

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Connecting Network Devices

Now that you understand the OSI model and cabling, it is time to discuss the various devices necessary to build a network. Every CISA is expected to understand the purpose of common networking equipment.

Let’s begin from the bottom up. The first thing you need is customer requirements. What does the customer intend to connect to the network? The next question is, what is their intended usage while on the network? We are constantly amazed at how many times the client expects a network to magically be all things to all people. Proper identification of requirements will go a long way toward aligning the network to the organizational objectives.

We can start with the number of user connections. Each user will need to plug ...

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