Packet switching vs Circuit switching

1. Circuit switching
   • Definition
   • Advantages and disadvantages
2. Packet switching
   • Definition
   • Advantages and disadvantages
3. Questions
4. Exercises
5. Exam questions

12.6.1.1 explain the difference between packet switching and circuit switching

OSI model

1. Physical Layer
2. Data Link Layer
3. Network Layer
4. Transport Layer
5. Session Layer
6. Presentation Layer
7. Application Layer
8. Benefits of using the OSI model
9. Drawbacks of using the OSI model
10. Questions
11. Exercises
12. Exam questions

12.6.1.2 describe the functions of the OSI network model levels