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CCNA
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Textbook
Introduction
1. Introduction to networking
1.1 What is networking?
1.2 Components of a TCP/IP based network
1.3 How devices communicate on a TCP/IP based network
1.4 The layers of the TCP/IP model
1.5 Introduction to the Transport Layer
1.6 Introduction to network architecture
2. Administering Ethernet LANs
3. IP connectivity
4. Network services
5. IPv6
6. Wireless networking
7. Network management and administering network devices
8. Network security fundamentals
9. Network automation and programmability
Wrapping up
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1.5 Introduction to the Transport Layer