what kind of frame does a switch flood out of all interfaces except the one it was received on? a. unknown unicast b. known unicast c. broadcast. which field of an ethernet frame does a switch use to populate its mac table? a. preamble b. length c. source mac address d. destination mac address. what is the OUI of this mac adrs? E8BA.7011.2874 a. E8BA b. E8BA.70 c. 7011 d. E8BA.7011. how long is the physical address of a network device a. 32 bytes b. 32 bits c. 48 bytes d. 48 bits. which field of an ethernet frame provides receiver clock suncrhonisation? a. preamble b. SFD c. type d. FCS.