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