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