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Cisco Systems Customer Support Engineer Interview Question

I interviewed in Richardson, TX and was asked:
"Tell me about the OSI model"
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Part of a Customer Support Engineer Interview Review - one of 1,087 Cisco Systems Interview Reviews

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Open Systems Interconnection model (OSI model),It is a way of sub-dividing a communications system into smaller parts called layers. A layer provides services to its upper layer while receiving services from the layer below.

- Pradeep Kumar on May 31, 2011

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