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Cisco Networking Simplified by Jim Doherty, Paul Della Maggiora

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Part V. Keeping the Network Running

Keeping the Network Running
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Have you ever been in a traffic jam? Ever been in gridlock? Ever had to take a detour rather than the normal road to your destination?

Computer networks face similar traffic problems. A backhoe tractor might be digging ground for a new pipe and accidentally sever a network cable buried underground. A person might accidentally misconfigure a router, bringing the network crashing down. Or a building may lose power.

Network designers must anticipate these possibilities and ...

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