An e-commerce customer needs to connect an ECS in a VPC with a data center or VPC and enable the VPN feature. What is the correct description of VPNs below? Multiple selection
A.
The VPN connection uses IKE and IPsec protocols to encrypt the transmitted data to ensure that the data is safe and reliable
B.
IP addresses on and off the cloud cannot be rushed
C.
Users can access different HUAWEI CLOUD access points through multiple lines (different carriers) to achieve multi-link mutual backup and ensure high reliability
D.
VPN can realize offline single data center or multi-data center interconnection with the cloud and the customer-side IP address needs to be a fixed IP
Chosen Answer:
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