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Cisco Networking Simplified by Jim Doherty, Paul Della Maggiora

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Chapter . Data Center

Store Once, Use Often

Data centers are centralized locations where companies house their business-critical network and server resources. Data centers provide secure centralization of corporate computing resources. Mainframes, application and web servers, data storage, secure printers, WAN aggregation, Internet connectivity, and network core switches are examples of devices that are commonly located in the data center. IT functions, such as network and server operations and support, generally sit near the data center. Satellite data centers provide regional services as well as disaster recovery for the primary data center.

Having these resources centrally located provides administrative benefits but also presents network-design ...

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