CISSP Question of the Day – 6-17-2016

Getting You Prepped for the CISSP Exam ...One Question at a Time!

Today’s CISSP question topic: Networking

802.11 Wireless LANs (WLANs) are inherently half-duplex. Because of this they must arbitrate the use of the medium in order to manage collisions with other nodes in the radio network. Which of the following mechanisms is used by 802.11 in order to accomplish this?

  1. WDM (Wave Division Multiplexing)
  2. CSMA/CD (Carrier Sense Multiple Access/Collision Detection)
  3. TDMA (Time Division Multiple Access)
  4. CSMA/CA (Carrier Sense Multiple Access/Collision Avoidance)
  5. Different frequencies for transmission and receive functions
  6. Token Passing
  7. Time Slots
  8. PCM (Pulse Code Modulation)

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About the Author

Colin Weaver

Colin Weaver is co-owner and lead instructor at ITdojo, Inc., a network security and information assurance training center and consulting firm located in Virginia Beach, VA. His passion for technology, networks, and security has led him to become enthralled with the idea of IPv6 and its implementation. In this blog he will share with you glimpses of what he has learned and a hint at what you’ll learn in his classes.