In which circumstance are multiple copies of the same unicast frame likely to be transmitted in a switched LAN?

A. after broken links are re-established.

B. in an improperly implemented redundant topology.

C. when upper-layer protocols require high reliability.

D. during high traffic periods.

E. when a dual ring topology is in use.






 

Suggested Answer: B



This question is in CCNA 200-125 exam 
For getting CCNA Certificate


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