$18)$ Consider the following output from a Cisco Catalyst switch: SW$1$# show mac address$-$table dynamic Mac Address Table Vlan Mac Address Type Ports $102$AA$.$AAAA.AAAA DYNAMIC GiO$/1102$BB$.$BBBB$.$BBBB DYNAMIC GiO$/2102$CC$.$CCCC$.$CCCC DYNAMIC GiO$/3$ Total Mac Addresses for this criterion: $3$ Which of the following answers is true about this switch? a$)$ The three listed MAC addresses were learned based on the destination MAC address of frames forwarded by the switch. b$)$ The switch has learned three MAC addresses since the switch powered on$.$ c$)$ The output proves that port GiO$/2$ connects directly to a device that uses address $02$BB$.$BBBB$.$BBBB$.$ d$)02$CC$.$CCCC$.$CCCC was learned from the source MAC address of a frame that entered port GiO$/3.$