Which information does a switch use to keep the MAC address table information current?

Question:
Which information does a switch use to keep the MAC address table information current?

• the destination MAC address and the incoming port
• the destination MAC address and the outgoing port
• the source and destination MAC addresses and the incoming port
• the source and destination MAC addresses and the outgoing port
• the source MAC address and the incoming port
• the source MAC address and the outgoing port

Explanation: To maintain the MAC address table, the switch uses the source MAC address of the incoming packets and the port that the packets enter. The destination address is used to select the outgoing port.

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