Transport Layer Basics | CCNA Networking скачать в хорошем качестве

Transport Layer Basics | CCNA Networking

#technologychannel #techzpoint #TransportLayer #NetworkingBasics #CCNALearning ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ Educational video created using NotebookLM to help students learn networking and CCNA concepts — TechzPoint OSI Transport Layer, the critical layer responsible for moving data between applications on devices across a network. You will learn how this layer prepares application data for transport and processes incoming network data for use by applications through essential functions like segmentation, multiplexing, and error checking. The core of the content focuses on the two primary protocols used at this layer: • TCP (Transmission Control Protocol): Known for being connection-oriented and reliable, TCP ensures data arrives complete and in the correct order. We explore its complex mechanisms, including the three-way handshake for establishing sessions, the four-way handshake for termination, and flow control using window sizes to prevent network congestion. • UDP (User Datagram Protocol): A connectionless, "best-effort" protocol designed for speed and low overhead. Unlike TCP, UDP does not resend lost data or re-order segments, making it ideal for applications like streaming video and VoIP where speed is prioritized over perfect reliability. Additionally, the video covers port addressing, explaining how unique port numbers (well-known, registered, and dynamic) ensure that data is directed to the correct application, such as HTTP on port 80 or SMTP on port 25. By the end of this video, you will understand how developers choose the appropriate protocol based on the specific needs of an application. -------------------------------------------------------------------------------- Analogy for Understanding: To help visualize these concepts, imagine the Transport Layer as a high-tech shipping center. TCP is like a registered mail service that calls the recipient first to make sure they are home, gives every box a tracking number to ensure they stay in order, and replaces any box that goes missing. UDP is like a standard delivery service that simply drops packages off as fast as possible; it is much quicker, but if a package falls off the truck, it isn't replaced, and the boxes might arrive in a different order than they were sent. 💎Stay Connected, ● Facebook ➤:   / techzzpoint   ● Email ➤ : info@techzpoint.com ● Website ➤ https://techzpoint.com/ Subscribe Our Channel ➤:    / @techzpoint   ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ For more updates on technology, subscribe to our channel and be part of our work and effort. If you have any queries, then comment below.