Nokia
4A0-100 · Question #331
What happens when a switch receives an Ethernet frame with unknown source and destination MAC addresses?
The correct answer is C. The source MAC address is saved in the MAC FDB, and the frame is flooded to all ports except. You've hit your weekly limit · resets 5am (America/New_York)
Data Link Protocols
Question
What happens when a switch receives an Ethernet frame with unknown source and destination MAC addresses?
Options
- AThe frame is silently discarded.
- BThe source MAC address is saved in the MAC FDB, and the frame is discarded.
- CThe source MAC address is saved in the MAC FDB, and the frame is flooded to all ports except
- DThe source and destination MAC addresses are saved in the MAC FDB, and the frame is flooded
How the community answered
(50 responses)- A4% (2)
- B8% (4)
- C74% (37)
- D14% (7)
Explanation
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Topics
#MAC learning#MAC FDB#frame flooding#Ethernet switching
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