CCENT Exam: Layer 2 Switches

  • 10BaseT – Is the most common type of ethernet cabling – Has a max distance of 100 meters
  • Hubs – don’t look at the frame or analyze of of the data. They just repeat the signal to every port on the hub.
  • Switches break up collision domains
  • Switches do not break up broadcast or multicast domains
  • STP – Spanning Tree Protocol – Prevents loops in redundant switch networks

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