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.
Handles IP routing across networks
End-to-end communication with TCP or UDP
Frames data and implements MAC addressing
Uses logical addresses (IP) for routing
Combines OSI Physical and Data Link functions
Establishes and maintains dialogs between hosts
Provides protocols for user-facing applications
Transmission of raw bits over a medium
Implements high-level protocols like HTTP and SMTP
Performs data translation and encryption
Ensures reliable or best-effort delivery
Network Layer
Data Link Layer
Application Layer (TCP/IP)
Application Layer
Internet Layer (TCP/IP)
Transport Layer (TCP/IP)
Session Layer
Presentation Layer
Physical Layer
Network Access Layer (TCP/IP)
Transport Layer