Networking Question of the Week

In the IP protocol stack, which OSI layer corresponds to the Internet layer?

  1. Layer 1
  2. Layer 2
  3. Layer 3
  4. Layer 4

The correct answer is 3.

The IP Protocol Suite layers are as follows:

  • 1 — Physical
  • 2 — Data Link
  • 3 — Network (Internet)
  • 4 — Transport
  • 5 — Session
  • 6 — Presentation
  • 7 — Application

Related Courses
TCP/IP Networking
Understanding Network Fundamentals

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