CCNA Exam Prep 1, OSI and TCP/IP Layered Models

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The names and functions of the 7 layers of the OSI model. - How the 4-layer TCP/IP model maps to the more theoretical OSI model. - The process of encapsulation and decapsulation as data moves through the network stack. - The specific Protocol Data Units (PDUs) used at key layers: segments, packets, and frames. - How to apply the layered models as a systematic framework for troubleshooting network issues on the CCNA exam. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep