1Z0-1093-21 無料問題集「Oracle Cloud Database Services 2021 Specialist」

（A）You can switch over the primary database to the standby role, perform maintenance on the standby database, and then switch it back to the primary role.

（B）You can use the reinstate command to return a failed database into standby role after correcting the cause of failure.

（C）If the primary database becomes unavailable, then you can use Oracle Data Guard to fail over the standby database to the primary role.

（D）You can write on both primary and standby databases because DB system standby databases in Oracle Cloud Infrastructure Database are logical standbys.

（E）You can terminate a primary database DB system.

（A）OCPU for all servers in the cluster

（B）storage capacity

（C）storage capacity

（D）index size

（A）Data Guard must be disabled, or you must first remove the Data Guard association by terminating the standby database before you can restore the database.

（B）Restore the database from an unmanaged backup in Object Storage created directly by using RMAN.

（C）The pp system has no access to the Oracle Cloud Infrastructure Object Storage service location where the backup is stored.

（D）Restore the database from a backup in Object Storage that was created by using the Console or the API.

（E）You want to restore to an existing System Change Number (SCN).

（A）After it is deployed, a VM cluster cannot change compartments.

（B）The VM cluster and associated databases will move to the new compartment. All other resources will remain in the existing compartment.

（C）The vM cluster, compute nodes, and underlying Exadata infrastructure will move to the new compartment. All other resources remain the same.

（D）The vm cluster, compute nodes, and associated databases will move compartments. All other resources will remain in the existing compartment.

（A）signing key fingerprint, API signing key, tenancy OCID

（B）API signing key, admin ID, user ID

（C）user ID, tenancy ID, component ID

（D）tenancy 1D, passphrase, handshake key

（A）If a vm DB system has different requirements for block storage, increase or decrease the storage at any time without impacting the system.

（B）Only bare metal DB systems can increase block storage at any time without impacting the system.

（C）If a vm DB system requires more block storage, increase the storage at any time without impacting the system.

（D）After you have provisioned a VM DB system, you cannot increase or decrease block storage.