Introduction
The purpose of this book is to provide you with an extra resource for studying the exam topics of the Interconnecting Cisco Networking Devices Part 1 (ICND1) exam that leads to Cisco Certified Networking Entry Technician (CCENT) certification. This book maps to the first two Cisco Networking Academy courses in the CCNA Routing and Switching curricula: Introduction to Networks (ITN) and Routing and Switching Essentials (RSE). ITN introduces basic concepts of computer networks including deep dives into the seven layers of the OSI model, IP addressing, and the fundamentals of Ethernet. Successfully completing the course means that you should be able to build small LANs and implement basic addressing and configurations on routers and ...
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