Click the Exhibit button. The exhibit shows the SW1 topology and configuration. When the show vlan command is executed on SW1:
A.
SW1 will ignore VLAN10 but allow 11 and 12. Also, VLAN 500 and VLAN 11 will be seen through 12 on SW1.
B.
SW1 will show VLANs 10 through 12 and ignore VLAN500.
C.
SW1 will ignore all VLANs and accept the VLAN500 basic double tagging scenario.
D.
This network scenario is not valid.