Which three statements about Group VPNs #e true? (Choose three.)

Which three statements about Group VPNs #e true? (Choose three.)
A . The IP pay load is encrypted
B . Data can flow directly between sites without transiting a central hub
C . Group VPNs use a client/server architecture
D . All data transits through a central hub
E . The IP headers are encrypted

Answer: A,C,D