Which of the following descriptions about public cloud virtual private networks (VPNs) is wrong?

Which of the following descriptions about public cloud virtual private networks (VPNs) is wrong?
A . Fast deployment, real-time effect, no need to configure VPN devices on user DC to complete the connection between local data center and cloud services
B . The user’s local DC can be interconnected with the VPC on the cloud, and the business can be quickly expanded to the cloud to achieve hybrid cloud deployment
C . Encrypts the transmitted data based on IKE and IPsec mechanisms, providing a high reliability mechanism
D . Use the Internet to build an IPsec encrypted channel, which is cheaper than cloud dedicated line services.

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Answer: A