World of Computer Networking Your CCNA start - Transmission Control Protocol (TCP) Header

The video tutorial explains the TCP three-way handshake and the structure of the TCP header, including fields like source and destination ports, sequence and acknowledgement numbers, and flags. It covers the importance of checksum for security and briefly touches on the urgent pointer and optional fields. The tutorial aims to provide a comprehensive understanding of TCP header components and their functions in establishing reliable connections.

What is the function of the TCP window size?

How is the checksum calculated in a TCP header?

What is the purpose of the urgent pointer in the TCP header?