A.False

B.True

A.False

B.True

A.Disk-disk-tape

B.Disk-disk

C.remote replication

D.Virtual tape library

A.Warm backup technology, when a data center failure causes the service to be unavailable, the service can be automatically switched to the backup data center within the specified RTO time

B.The hot standby service is responded by the main data center. When the service is unavailable due to a data center failure, the service can be automatically switched to the backup data center within the specified RTO time

C.The biggest feature of Multi Live is that it will not cause waste of data center resources, and data centers all carry application services.

D.Active-active technology can realize that both the active and standby data centers provide external services. During normal operation, the services of the two data centers can be load-shared based on weights. There is no distinction between active and standby. They respond to some users separately. The weights can be divided by region, data center service capacity or external bandwidth

A.Information is the data representation of all things

B.Information is not the same as data

C.Information used to eliminate random uncertainty

D.Information is processed data