Which two statements about private VLANs are true? (Choose two.)
A.
Only one isolated VLAN can be mapped to a primary VLAN.
B.
Only one community VLAN can be mapped to a primary VLAN.
C.
Multiple isolated VLANs can be mapped to a primary VLAN.
D.
Multiple community VLANs can be mapped to a primary VLAN.