Day 31. Networking Models, Devices, and Components
CCNA 200-301 Exam Topics
Explain the role and function of network components
Describe characteristics of network topology architectures
Compare physical interface and cabling types
Identify interface and cable issues (collisions, errors, mismatch duplex and/or speed
Compare TCP to UDP
Key Points
Both the Open Systems Interconnection (OSI) and Transmission Control Protocol/Internet Protocol (TCP/IP) networking models are important conceptual frameworks for understanding networks. Today we review the layers and functions of each model, along with the process of data flow from source to destination. We also spend some time on Transmission Control Protocol (TCP) and the User Datagram Protocol ...
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