TCP/IP Suite

• The TCP/IP Suite is very similar to the the OSI Model
  • However, it's far more commonly used and relevant in today's networking world
• Developed by the DoD in the 1960s, and has 4 levels
  1. Layer 4: Application Layer
     1. Contains the Session, Presentation, and Application layers from OSI
  2. Layer 3: Transport Layer
     1. Equivalent to the Transport Layer layer from OSI
  3. Layer 2: Internet/Network Layer
     1. Equivalent to the Network layer in OSI
  4. Layer 1: Network Access/Link Layer
     1. Contains the Physical and Data link layers of OSI

Source: Internet protocol suite - Wikipedia

Metadata

OSI or TCP/IP Layer

CCNA Exam Topic

Contributors

Sources

Internet protocol suite - Wikipedia