Which two statements are true about data guard service on DB Systems in Oracle Cloud Infrastructure (OCI)?

• A.Data guard implementation requires two DB Systems, one running the primary database on a virtual machine and the standby database running on bare metal.
• B.Data guard implementation requires two DB Systems, one containing the primary database and one containing the standby database.
• C.Both DB Systems must use the same VCN, and port 1521 must be open.
• D.Data guard configuration on the OCI is limited to a virtual machine only.

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You work for a health insurance company that stores a large number of patient health records in an Oracle Cloud Infrastructure (OCI) Object Storage bucket named "HealthRecords".
Each record needs to be securely stored for a period of 5 years for regulatory compliance purposes and cannot be modified, overwritten or deleted during this time period.
What can you do to meet this requirement?

• A.Create an OCI Object Storage Lifecycle Policies rule to archive objects in the HealthRecords bucket for five years.
• B.Create an OCI Object Storage time-bound Retention Rule on the HealthRecords bucket for five years.
  Enable Retention Rule Lock on this bucket.
• C.Enable encryption on the HealthRecords bucket using your own vault master encryption keys.
• D.Enable versioning on the HealthRecords bucket.

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