Which scaling option does Database Cloud Service (DBCS) on Bare Metal Shape offer?

You have been asked to create an Identity and Access Management (IAM) user that will authenticate to Oracle Cloud Infrastructure (OCI) API endpoints. This user must not be given credentials that would allow them to log into the OCI console.
Which two authentication options can you use? (Choose two.)

Which two statements about Oracle Cloud Infrastructure File Storage Service are accurate? (Choose two.)

You deployed a database on a Standard Compute instance in Oracle Cloud Infrastructure (OCI) due to cost concerns. The database requires additional storage with high I/O and you decided to use OCI Block Volume service for it.
With this requirement in mind, which elastic performance option should you choose for the Block Volume?

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Which two methods are supported for migrating your on-premises Oracle database to an Oracle Autonomous Transaction Processing (ATP) database in Oracle Cloud Infrastructure? (Choose two.)