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CCNA Cisco Certified Network Associate Study Guide (Exam 640-802) by Richard Deal

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TCP/IP and the Internet Layer
CERTIFICATION OBJECTIVES
 
The Transmission Control Protocol/Internet Protocol (TCP/IP) is a standard that includes many protocols. It defines how machines on an internetwork can communicate with each other. It was initially funded by and developed for the Defense Advanced Research Projects Agency (DARPA), which is a conglomeration of US military and government organizations. ...

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