Example:
* OCI Vaults offers the following availability SLA:
* <99.9% a 10% credit
* <99.0% a 25% credit
* <95.0% a 100% credit
* Scenario B: Customer experiences 1 hour of unavailability during a 30-day month ((43,200- 60) /
43,200 = 99.86%) a If customer submits a claim, they would be eligible for 10% credit for their spend for that service.

Reference: https://docs.cloud.oracle.com/en-us/iaas/Content/Identity/Concepts/overview.htm#one

Correct. The IAM service feature that enables instances to be authorized actors (or principals) to perform actions on service resources.

Correct. A private IP is always attached to the instance irrespective of whether the instance is public or private.

Oracle Cloud Infrastructure's Autonomous Database is a fully managed, preconfigured database environment with two workload types available, Autonomous Transaction Processing and Autonomous Data Warehouse. You do not need to configure or manage any hardware, or install any software. After provisioning, you can scale the number of CPU cores or the storage capacity of the database at any time without impacting availability or performance. Autonomous Database handles creating the database, as well as the following maintenance tasks: > Backing up the database > Patching the database > Upgrading the database > Tuning the database