单选题Which option describes a benefits of IPv6 VPN Provider Edge？（）AProvider support for intra-AS and CSC scenariosBUses separate signaling plane， which provides more security than IPv4CBGP is the preferred routing protocol for connecting two SPsDNo requirement for a separate signaling plane
单选题
Which option describes a benefits of IPv6 VPN Provider Edge？（）
A
Provider support for intra-AS and CSC scenarios
B
Uses separate signaling plane， which provides more security than IPv4
C
BGP is the preferred routing protocol for connecting two SPs
D
No requirement for a separate signaling plane
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