What is a snapshot in Amazon Redshift?a)A copy of the data in the cluster that is used for performance tuningb)A copy of the data in the cluster that is used for reporting and analysisc)A copy of the data in the cluster that can be used for backup and recoveryd)A copy of the data in the cluster that is used for disaster recovery

2. What is the functions of snapshots in VMWare?

Which type of snapshot can be managed from the Snapshots Management page? (Select all that apply.)Replicated SnapshotsOn-Demand SnapshotsLegal Hold SnapshotsRelic Snapshots

A snapshot is a feature that can be used in hypervisors to:roll back firmware updates.restore to a previous version.roll back application drivers.perform a backup restore.

Single choice3)What is the expected behavior when replicating snapshots?The most recent snapshots are replicated first.The oldest snapshots are replicated first.The source cluster's full snapshot is replicated first.Snapshots with the highest change rate are replicated

MISCONF Redis is configured to save RDB snapshots, but it is currently not able to persist on disk. Commands that may modify the data set are disabled, because this instance is configured to report errors during writes if RDB snapshotting fails (stop-writes-on-bgsave-error option). Please check the Redis logs for details about the RDB error. 出现该错误怎么解决