Which of the following features does the HUAWEI CLOUD BMS bare metal service support? (Multiple choice)

HUAWEI CLOUD CCE cluster does not support automatic expansion and contraction of the master node of the cluster, but only supports automatic expansion and contraction of the Node of the cluster.

When the user performs the following operations on the HUAWEI CLOUD ECS elastic cloud server. Which item requires ECS to take effect?

A company uses the ECS service of HUAWEI CLOUD. ECS instances are distributed in different VPCs in the same region. In order to facilitate the sharing of data between ECS instances, which of the following solutions are feasible? (Multiple choice)

Which of the following statements about the matching relationship between the evaluation method and implementation method of data secure transmission are correct? (Multiple choice)