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CCNA Routing and Switching 200-125 Exam Cram, Fifth Edition by Anthony Sequeira

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Part I: Network Fundamentals

This part of the text deals with one of the seven overall sections you must master for the CCNA exam. There are three chapters total that make up Part 1. These three chapters taken as a whole represent 15 percent of the exam questions you face in your exam.

Here you master networking models and designs, including cloud-based technologies. You also master key fundamentals of networking such as transport protocols and cabling. You dig deep into the worlds of TCP/IP version 4 and TCP/IP version 6. Both of these protocol suites are already popular today. Version 4 should gradually fade away from usage (although perhaps never completely), whereas more and more installations should make IPv6 predominant. Part 1 includes ...

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