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When a frame is received on a switch port, which address is accessed first?
SOURCE IP ADDRESS
DESTINATION MAC ADDRESS
DESTINATION IP ADDRESS
SOURCE MAC ADDRESS
IP addressing is only handled at Layer 3 of the OSI model by the router. On Layer 2, the addressing the switch will looks at are MAC addresses. When a frame enters a switch, the source mac address is read into the MAC Address table. This helps the switch keep a record of the source of a frame before a forwarding decision can be made.
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