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The OSI or Open Systems Interconnect Model is the predecessor to TCP/IP.
OSI provided the initial description for layered communications and computer network protocol design.
This video is an excerpt from 365 Computer Security Training's online computer network security course. The complete lesson and over an hour of training is available FREE. No Credit Cards, No Waiting. Just visit our site and sign up!
Got some great extra details here,. thanks
earthwormjj 1 year ago