OSI and TCP IP Model Layers
Cisco CCNA 200-301 PBQ
Match OSI and TCP/IP model layer names to their core functions, services, and associated protocols to reinforce an understanding of each layer’s responsibilities.
Uses logical addresses (IP) for routing
Handles IP routing across networks
Implements high-level protocols like HTTP and SMTP
Establishes and maintains dialogs between hosts
End-to-end communication with TCP or UDP
Combines OSI Physical and Data Link functions
Ensures reliable or best-effort delivery
Transmission of raw bits over a medium
Frames data and implements MAC addressing
Provides protocols for user-facing applications
Performs data translation and encryption
Data Link Layer
Internet Layer (TCP/IP)
Network Access Layer (TCP/IP)
Transport Layer
Presentation Layer
Application Layer (TCP/IP)
Session Layer
Application Layer
Network Layer
Transport Layer (TCP/IP)
Physical Layer