The OSI model is a conceptual framework used to understand how data is communicated across a computer network. It divides network communication into seven layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application. Each layer performs a specific function and works with the layers above and below it.
How many layers does the OSI model have?
Review the verified answer and explanation for this PPSC Punjab Public Service Commission past-paper question on CampusFin.
Question context
This question is part of 🌐 Networking within the broader 💾 Computer Science subject and appears in the PPSC Punjab Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.