Introduction to networks companion guide V6 is the official supplemental textbook for the introduction to networks course in the Cisco networking Academy CCNA routing and switching curriculum. The course introduces the architecture, structure, functions, components, and models of the Internet and Computer networks. The principles of IP addressing and fundamentals of Ethernet concepts, media, and operations are introduced to provide a foundation for the curriculum. By the end of the course, you will be able to build simple LANs, perform basic configurations for routers and switches, and implement IP addressing schemes.\nfeatures: \n1. chapter objectives- review core concepts by answering the focus questions listed at the beginning of each \n2. Key terms- refer to the lists of networking vocabulary introduced and highlighted in context in each \n3. Glossary- consult the comprehensive glossary with more than 250 terms.\n4. Summary of activities and labs–maximize your study time with this complete list of all associated practice exercises at the end of each \n5. Check your understanding- evaluate your readiness with the end-of \n6. questions that match the style of questions you see in the online course quizzes. The answer key explains each answer.\ntable of Contents: \nChapter 1. Explore the network \nChapter 2. Configure a network operating system\nChapter 3. Network protocols and communications \nChapter 4. Network access \nChapter 5. Ethernet \nChapter 6. Network layer \nChapter 7. Ip addressing\nChapter 8. Subnetting IP networks> \nChapter 9. Transport layer\nChapter 10. Application layer\nChapter 11. Build a small network.