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Which of the following frames would be flooded on a switch port?

  1. Frame with source address as FF-FF-FF-FF-FF-FF
  2. Frame with destination mac-address as FF-FF-FF-FF-FF-FF.
  3. Frames which do not have the destination mac-address known in the mac-address table of the switch.
  4. None of the above.

2 Answers

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As part of the learning process, a switch will flood the single frame out all of its other ports when it cannot find the destination MAC address in the switch’s lookup table.


If a broadcast frame is received with a destination MAC address ff ff ff ff ff ff, the switch forwards the broadcast frame out all of the other ports. 

so, correct answer should be 3.
for option 2 the term used is broadcasting and for option 3 the term used is flooding.
but my understanding of the difference between flooding and broadcasting is not clear.

Any one having clear concept about these two terms please share...

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https://howdoesinternetwork.com/2011/mac-address-flooding

Answer is 3

When switch doesn't have mac adress it behave like hub and flood in network

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