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The OSI Model is like a map for how data moves across networks. While some argue that it's out of date, if you are studying for the Net+ or CCENT certs, you should still understand how it works.
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The OSI Model is like a map for how data moves across networks. While some argue that it's out of date, if you are studying for the Net+ or CCENT certs, you should still understand how it works.

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