The output of the “display vlan” command on a switch is as follows.
Which of the following statements are true?
A. When GE0/0/1 of the switch forwards data frames from VLAN 20, the frames are untagged.
B. When GE0/0/1 of the switch forwards data frames from VLAN 10, the frames are untagged.
C. When GE0/0/2 of the switch forwards data frames from VLAN 20, the frames are tagged.
D. Four VLANs are manually created.