A.CPEVPN’srequirededicatedVPNawarehardwareatcustomersite，PPVPNdoesnot.
B.PPVPN’srequirededicatedVPNawarehardwareatcustomersite，CPEVPN’sdoesnot.
C.CPEVPN’sscalebetterthanPPVPN’sastheydonotrequireapersiteconfigurationontheCPE
D.PPVPN’sscalebetterthanCPEVPN’sastheydonotrequireapersiteconfigurationontheCPE
参考答案：AD
