You attempt to configure a VLAN with a new name. You receive the error:
“Default VLAN 1 may not have its name changed.”
What is wrong?

A. The VLAN is used on interfaces already.
B. The VLAN is protected from any changes.
C. The VLAN is being referenced by its name in interface configuration.
D. You are not in the VLAN database when committing the change.

B. VLAN 1 is the default VLAN and it is not permitted by the IOS to change the VLAN in any way. This includes name changes.