Hereinafter  GREVPN  and  BGP / MPLS VPN  described above are correct  ____  .

Hereinafter  GREVPN  and  BGP / MPLS VPN  described above are correct  ____  .
A . Both can separate the address space
B . both point to point tunnel
C . GREVPN  does not separate address space,  BGP/MPLS VPN  can separate address space
D . GRE VPN  can provide advanced security such as data encryption, but  BGP/MPLS VPN  cannot provide such security.

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Answer:   C