SDH device configuration Ethernet Layer exchange service, the switch forwards the data frame is based on the MAC address table, the MAC address table of a switch based on the source MAC address learning obtained, common two-layer switches MAC address table is a MAC address and the mapping relationship established by the switch port.

SDH device configuration Ethernet Layer exchange service, the switch forwards the data frame is based on the MAC address table, the MAC address table of a switch based on the source MAC address learning obtained, common two-layer switches MAC address table is a MAC address and the mapping relationship established by the switch port.
A . TRUE
B . FALSE

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Answer: A