Practice Quiz

Advanced Networking Administrator Test Prep

Category - CCNA

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Which of the following statements regarding a switch, bridge, or a hub is NOT true?
  1. Both bridges and switches forward Layer-2 broadcasts.
  2. Bridges do not forward Layer-2 broadcasts.
  3. Switch broadcasts the frame sent by a host to all other hosts on the network.
  4. Bridges gave a lower number of ports than switches.
Explanation
Answer: B -Bridges do not forward Layer-2 broadcasts.

Key Takeaway: Both bridges and switches are Layer-2 devices designed to forward Layer-2 broadcasts. When a switch receives a frame, it sends it to ONLY that host which maps the destination MAC address on the frame. Bridges normally use two ports to bridge LANs together and switches are used to connect multiple hosts. Hence, switches typically come in 24 or 48 ports.
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