CCNA Exploration 4.0. Network Fundamentals.

Chapter 4: OSI Transport Layer

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4.1 Roles of the Transport Layer

4.1.1 Purpose of the Transport Layer

4.1.2 Controlling the Conversations

4.1.3 Supporting Reliable Communication

4.1.4 TCP and UDP

4.1.5 Port Addressing

4.1.6 Segmentation and Reassembly - Divide and Conquer

4.2 The TCP Protocol - Communicating with Reliability

4.2.1 TCP - Making Conversations Reliable

4.2.2 TCP Server Processes

4.2.3 TCP Connection Establishment and Termination

4.2.4 TCP Three-Way Handshake

4.2.5 TCP Session Termination

4.3 Managing TCP Sessions

4.3.1 TCP Segment Reassembly

4.3.2 TCP Acknowledgement with Windowing

4.3.3 TCP Retransmission

4.3.4 TCP Congestion Control - Minimizing Segment Loss

4.4 The UDP Protocol - Communicating with Low Overhead

4.4.1 UDP - Low Overhead vs. Reliability

4.4.2 UDP Datagram Reassembly

4.4.3 UDP Server Processes and Requests

4.4.4 UDP Client Processes

4.5 Lab Activities

4.5.1 Observing TCP and UDP using Netstat

4.5.2 TCP/IP Transport Layer Protocols, TCP and UDP

4.5.3 Application and Transport Layer Protocols

4.6 Chapter Summary

4.6.1 Summary and Review

4.7 Chapter Quiz

4.7.1 Chapter Quiz

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