How does a switch "learn" MAC addresses?
A) All the MAC addresses must be entered manually.
B) The switch comes loaded with the most frequently used addresses.
C) It reads the source address and keeps a record of which port the sending computer is on.
D) The switch uses a mathematical formula to determine what the MAC address would be for each computer connected to it.

Question

Quizplus · Accepted Answer

When a switch receives a packet, it reads the source MAC address of the sending computer and records it along with the port that the packet was received on. Over time, the switch builds a table of MAC addresses and their corresponding ports, which can be used to forward packets more efficiently.

How Does a Switch "Learn" MAC Addresses