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LAN Technologies: Broadcast, Collision, CSMACD and CSMACA

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Virtual Practice Lab
Practice Test
LAN Technologies: Broadcast, Collision, CSMACD and CSMACA

LAN Technologies: Broadcast, Collision, CSMACD and CSMACA

This lesson discusses the technologies of Local Area Networks (LANs). The technologies of Local Area Networks include:

  • Broadcast: sends to all, only on one side of router
  • Collision: two devices transmit simultaneously, data on same line collides and corrupts, there needs to be ways to avoid collisions.
  • CSMA/CD: carrier sense, multiple access, collision detection.
  • CSMA/CA: carrier sense, multiple access, collision avoidance
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