12. A switch contains the following switch table: MAC Address 55-55-55-55-55-55 66-66-66-66-66-66 77-77-77-77-77-77 Port 1 2 3 a. A frame arrives at the switch with a source MAC of 55-55-55-55-55-55 and a destination MAC of 77-77-77-77-77-77. Out of which port(s) will the switch send the frame? b. A frame arrives at the switch with a source MAC of 55-55-55-55-55-55 and a destination MAC of FF-FF-FF-FF-FF-FF. Out of which port(s) will the switch send the frame? 13. A switch and a NIC are negotiating a connection. The switch operates at 100Mbps, 1000 Mbps, and 10000Mbps. The switch supports both half-duplex and full-duplex connections. The NIC operates at 100 Mbps and 1000 Mbps. The NIC supports both half-duplex and full-duplex connections. a. After the negotiation, what speed will the link operate at? b. Will it be full-duplex or half-duplex? 12. A switch contains the following switch table: MAC Address 55-55-55-55-55-55 66-66-66-66-66-66 77-77-77-77-77-77 Port 1 2 3 a. A frame arrives at the switch with a source MAC of 55-55-55-55-55-55 and a destination MAC of 77-77-77-77-77-77. Out of which port(s) will the switch send the frame? b. A frame arrives at the switch with a source MAC of 55-55-55-55-55-55 and a destination MAC of FF-FF-FF-FF-FF-FF. Out of which port(s) will the switch send the frame? 13. A switch and a NIC are negotiating a connection. The switch operates at 100Mbps, 1000 Mbps, and 10000Mbps. The switch supports both half-duplex and full-duplex connections. The NIC operates at 100 Mbps and 1000 Mbps. The NIC supports both half-duplex and full-duplex connections. a. After the negotiation, what speed will the link operate at? b. Will it be full-duplex or half-duplex