A.Cover laaS, Paas, Saas

B.Support on-demand payment

C.Can only request resources through the Admin Console page

D.Mainstream public cloud also provides a large number of cloud solutions

A.DDS supports read-write separation, and its write operations can only be performed on the master node in the replica set

B.Through the configuration of VPC, subnet, security group, DDOS protection and SSL security access and other multi-layer security protection systems, it can effectively resist various malicious attacks and ensure data security

C.DDS has a high-availability architecture of multi-node replica sets, providing extremely high service availability guarantee

D.The replica set contains multiple replicas. When the primary node fails, DS can achieve a second-level master/backup switch

A.False

B.True

A.True

B.False

A.Operational security of HUAWEI CLOUD services

B.Connect with the security laws and regulations of the place where HUAWEI CLOUD operates

C.Tenant security group and security policy configuration management

D.HUAWEI CLOUD's infrastructure security