A company wants to set up EC2 Instances in AWS. These instances will be hosting databases that will have a lot of read and write activity. You need to provision the volumes with high I/O throughput. These instances will be hosting mission-critical transactional databases, and they will require consistent baseline performance with low latency. 
Which of the following would you implement?

Answer options:

A.Choose the volume type as General Purpose SSD.B.Choose the volume type as Provisioned IOPS.
C.Choose the volume type as Cold HDD.D.Choose the volume type as Throughput Optimized HDD.

Correct Answer: B
Provisioned IOPS SSD (
io1
 and 
io2
) volumes are designed to meet the needs of I/O-intensive workloads, particularly database workloads, that are sensitive to storage performance and consistency. 
Option A is incorrect since Provisioned IOPS is better if you need Low-latency workloads.
Option C is incorrect since Cold HDD is for less frequently accessed workloads.
Option D is incorrect because Throughput Optimized HDD is used for Big data and Log processing.
For more information on monitoring volume status, please visit the below URL-
https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ebs-volume-types.html