Last Updated on March 30, 2022 by Admin 3
Which OSI/ISO layers are TCP and UDP implemented at?
- Application layer
- Presentation layer
- Session layer
- Transport layer
TCP and UDP are implemented at the transport layer (layer 4). Source: KRUTZ, Ronald L. & VINES, Russel D., The CISSP Prep Guide: Mastering the Ten Domains of Computer Security, John Wiley & Sons, 2001, Chapter 3: Telecommunications and Network Security (page 82).