TCP connection establishment takes three phases, while (TCP) graceful termination takes four, which is why the connection and graceful termination processes are referred to as 3-way and 4-way handshakes, respectively.
Watch on youtube: https://www.youtube.com/watch?v=1yffaikzYaY
Follow us on our social channel
Facebook: https://www.facebook.com/Infosectrain/
Twitter: https://twitter.com/Infosec_Train
LinkedIn: https://www.linkedin.com/company/infosec-train/
Instagram: https://www.instagram.com/infosectrain/
Telegram: https://t.me/infosectrains