Oracle Cloud Infrastructure 2020 Architect Associate — Question 59

You deployed an Oracle Cloud Infrastructure (OCI) compute instance (VM.Standard2.16) to run a SQL database. After a few weeks, you need to increase disk performance by using NVMe disks but keeping the same number of CPUs. As a first step, you terminate the instance and preserve the boot volume.
What is the next step?

Answer options

• A. Create a new instance using a VM.Standard1.16 shape using the preserved boot volume and move the SQL Database data to NVMe disks.
• B. Create a new instance using a VM.DenseIO2.8 shape using the preserved boot volume and move the SQL Database data to NVMe disks.
• C. Create a new instance using a VM.DenseIO2.16 shape using the preserved boot volume and move the SQL Database data to block volume.
• D. Create a new instance using a VM.DenseIO2.16 shape using the preserved boot volume and move the SQL Database data to NVMe disks.

Correct answer: D

Explanation

The correct answer is D because VM.DenseIO2.16 instances are optimized for high disk performance and support NVMe disks, which is necessary for improving disk performance for the SQL database. Options A and B involve using the wrong instance shapes that do not meet the requirement for NVMe disks, while option C incorrectly suggests moving data to block volumes instead of NVMe disks.