Subjects and lessons to explore.

Law

Chapter 2 of 3 · Network+ (N10-009)

ELI Explains Networking Layers (book)

10 lessons in this chapter. Work through them in order, or jump to the one you need.

  1. What Are Networking Layers?
  2. Layer 1 — Physical
  3. Layer 2 — Data Link
  4. Layer 3 — Network
  5. Layer 4 — Transport
  6. Layer 5 — Session
  7. Layer 6 — Presentation
  8. Layer 7 — Application
  9. How the Layers Work Together
  10. Quick Review