問題文
An Exadata VM Cluster carries several databases whose master encryption key sits in an Oracle Wallet. The team enables Azure key management on the cluster from the OCI console. What does that switch do to the databases that are already on the cluster, and what would a later disable do?
選択肢
- Enabling rewrites the key management of the databases already on the cluster to the vault, because the setting sits at the level of the cluster and the databases under it share one key management. A disable puts those databases back on an Oracle Wallet.
- Enabling installs a library and adds a second key management choice, so the databases on an Oracle Wallet keep running beside the ones that later hold a key in the vault. A disable takes the library away.
- Enabling leaves the databases already on the cluster untouched, and takes effect at the next restart of the cluster. A disable is turned away as long as a database on that cluster holds its key in the vault.
- Enabling installs the library and marks the Oracle Wallet choice as unavailable for databases created after that, so the cluster settles on one key management. A disable brings the Oracle Wallet choice back for the next database.