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8.15.7 What Is Carrier Sense Multiple Access (CSMA)?

Understand how CSMA reduces collisions by listening before transmitting. Explore CSMA, CSMA/CD, and CSMA/CA, and learn why different versions are used in Ethernet and Wi-Fi networks.

  1. What Is Carrier Sense Multiple Access?
  2. Why Is It Called Carrier Sense Multiple Access?
  3. How Does CSMA Work?
  4. Why Does Listening Help?
  5. Can Collisions Still Occur?
  6. What Happens After a Collision?
  7. What Is Persistence?
  8. What Is 1-Persistent CSMA?
  9. What Is Non-Persistent CSMA?
  10. What Is p-Persistent CSMA?
  11. What Is CSMA/CD?
  12. How Does Collision Detection Work?
  13. What Happens After Collision Detection?
  14. What Is Binary Exponential Backoff?
  15. Why Doesn't Wi-Fi Use Collision Detection?
  16. What Is CSMA/CA?
  17. What Are RTS and CTS?
  18. What Is the Hidden Terminal Problem?
  19. Where Is CSMA Used?
  20. What Are the Advantages of CSMA?
  21. What Are the Disadvantages?
  22. Why Is CSMA Important?