Which statements about VLAN aggregation are true? (Select 3 Answers)
A. "multiple" VLANs (broadcast domains) are on the same physical network; therefore, different VLANs belong to the same subnet.
B. VLAN aggregation can save IP addresses.
C. Only the super VLAN requires an IP address, but sub-VLANs do not need.
D. The VLAN that is used to separate broadcast domains is called super VLAN.