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Network+ Training Guide by Mike Harwood, Drew Bird

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Transmission Control Protocol/Internet Protocol (TCP/IP)

Not many technologies have survived the test of time, but TCP/IP can make this claim and then some. In the dynamic IT industry, technologies come and go; new and improved methods, procedures, and equipment replace the old at a staggering pace. TCP/IP is one of the few exceptions to the rule. Not only has it survived in a state that's very similar to its original, but as other networking protocols have fallen away, networks' dependency on TCP/IP has increased. There may have been pretenders to the protocol crown, but TCP/IP is truly the champion.

A Brief History of TCP/IP

In the late 1970s and early 1980s, the U.S. Department of Defense Advanced Research Projects Agency (ARPA) needed a system ...

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