This course will teach you everything from TCP handshake, sequence numbers, and congestion management to troubleshooting common issues and utilizing advanced graphing features for in-depth traffic analysis.

Network performance issues can significantly impact productivity and user experience, making it crucial for IT professionals to swiftly identify and resolve these problems. In this course, TCP Analysis with Wireshark, you'll learn to analyze and troubleshoot TCP/IP networks using Wireshark. First, you'll explore the intricacies of the TCP handshake process, understanding how connections are initiated, maintained, and terminated. Next, you'll discover the critical role of sequence and acknowledgment numbers in ensuring data integrity and flow control, along with the importance of relative sequence numbers and the receive window in managing data transmission. Finally, you'll learn how to utilize Wireshark's advanced features, such as TCP graph analysis and reassembly techniques, to pinpoint and troubleshoot issues like retransmissions, duplicate ACKs, out of order packets, and previous packet not captured scenarios. When you're finished with this course, you'll have the skills and knowledge of TCP network analysis needed to diagnose and resolve network slowdowns and bottlenecks, ensuring optimal network performance and enhancing the overall user experience.

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