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TCP/IP Configuration (part 1) Welcome to the Cybrary IT A+ Certification course for the CompTIA Exam, in today's lesson we are going to explore the concepts that define the TCP/IP suite of Protocols. Computers communicate through electronic signals defined by specific sets of rules and guidelines that map out when, where, how that communication takes place, that is the purpose and function the TCP/IP protocols provide. After completing this lesson, you'll be able to define what TCP and IP means, what they stand for and what functions they perform. You'll be able to define what IP addressing is and describe how it works, as well as how it identifies and distinguishes addresses. You'll also know what a MAC address is and why it's essential the communication process, what its limitations are and the functions of its address segments