Which of the following statements regarding VLAN configuration are true? (Select 2 answers)
A. You can enter the VLAN view and create a VLAN at the same time.
B. Running undo VLAN invalidates the VLAN but the VLAN still exists. You do not need to recreate the VLAN to use it.
C. You can configure a description string of VLAN. The length of the string is unlimited.
D. If the VLAN ID is not entered when running the display VLAN command, all information about the VLAN will be displayed.