Why does a switch flood a frame to all ports?

A. The frame has zero destination MAC addresses.

B. The destination MAC address of the frame is unknown.

C. The source MAC address of the frame is unknown

D. The source and destination MAC addresses of the frame are the same.








 

Suggested Answer: B

Community Answer: B



This question is in 200-301 Cisco Certified Network Associate (CCNA) Exam
For getting Cisco Certified Network Associate (CCNA) Certificate





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