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多选题
When comparing CPE and provider-provisioned VPNs （PPVPN）， which two statements are true？（）
A

CPE VPN’s require dedicated VPN aware hardware at customer site， PPVPN does not.

B

PPVPN’s require dedicated VPN aware hardware at customer site， CPE VPN’s does not.

C

CPE VPN’s scale better than PPVPN’s as they do not require a per site configuration on the CPE

D

PPVPN’s scale better than CPE VPN’s as they do not require a per site configuration on the CPE

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