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Network Characteristics
A network is defined as “a logical grouping of networks.� The Internet and other related networks are made possible due to the devices that Cisco produces (primarily network routers and switches). In fact, it was Cisco’s founders that invented the multi-protocol router enabling the possibility of a global network (Internet).
“Routers and switches were at the heart of Cisco’s business.� Computer networks, switches, and routers are analogous to the way the U.S. Postal System works in relation to their core functions.
Network Switches
A network switch is a computer networking device that connects network segments. It has little “intelligence� compared to other advanced high-end network devices (routers and firewalls). It is used primarily for network data transmission and performance optimization. Analogous to post offices, it forwards network information (similarity mail envelope) to the intended computer device (similarity mail......

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Approximate Pages: 3 (250 words per double-spaced page)

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