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Four general rules of OSI model

Cisco Router, Firewall, VPN, SDM, ASA and Switch

Four general rules of OSI model

Postby chicagotech » Fri Nov 15, 2013 7:48 pm

Four general rules of OSI model are

1. Created dada move down.
2. Received data move up.
3. A layer at the sending station can only communicate with its peer layer, for example application to application; session to session.
4. Each layer provides services to the layer directly above in the OSI.
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