Refer to the diagram below. The four PCs, A, B, C, and D are connected to ports 1, 2, 3, and 4 of the switch respectively. The hypothetical MAC address of a PC is shown beneath the PC. 2 3 B MAC 00-0A MAC 00-0B MAC 00-0C MAC 00-0D 7 A BI I 5 (b) Now assume that the MAC Address Table of the switch has been updated to contain two entries as shown below. If PC A now sends a frame to PC D, to which port(s) will the switch forward the frame? Justify your answer. (2 marks) MAC Address Table Port MAC Address 1 00-0A Answer: 00-OD