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4A0-105 · Question #23
4A0-105 Question #23: Real Exam Question with Answer & Explanation
The correct answer is D. As frames enter the switch, the SA is populated into the FDB.. See the full explanation below for the reasoning.
Question
How is MAC learning achieved in traditional Ethernet switches?
Options
- AAs frames leave the switch, the DA is populated into the FDB.
- BAs frames enter the switch, the DA is populated into the FDB.
- CAs frames leave the switch, the SA is populated into the FDB.
- DAs frames enter the switch, the SA is populated into the FDB.
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