A.Cloud Audit Service

B.Relational database services

C.Message Notification Service

D.Elastic Cloud Hosting Service

A.Expand the original cloud hard disk capacity

B.Purchase a new cloud hard disk and mount it to the cloud server

C.Set the cloud hard disk as a shared disk

D.Clear the space of the cloud hard disk

A.Automatic scaling based on traffic

B.Provide dedicated connection

C.Providing both public and private networks

D.Provide HTTPS certificate management

A.Backup generally builds a backup copy of data through techniques such as snapshots and backups

B.Disaster tolerance is generally to build backup hosts and data for business in remote locations through replication technology

C.Disaster tolerance is mainly aimed at business interruption caused by software and hardware failures and major natural disasters such as tsunamis, fires, earthquakes, etc

D.The cost of backup is usually higher than disaster recovery

A.Active Directory

B.OpenLdap

C.OpenDJ

D.ApacheDS