A company has an application that needs to be hosted on an EC2 Instance. The general amount of throughput data per volume will be in the range of 400-500 MiB/s from the application. Which of the following should be used as the storage type for the underlying EC2 Instance in a Cost-effective manner?

Answer options:

A.EBS - General Purpose SSD
B.EBS - Provisioned IOPS SSD
C.EBS - Throughput Optimized HDD
D.EBS - Cold HDD

Answer – C
When you want high throughput, you should choose using the Throughput Optimized EBS volume. The below snapshot from the AWS Documentation shows the features of the different types of volumes.
As per the above document,
Option A, B and D stands invalid.
For more information on the EBS volume types, please refer to the below URL-
https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/EBSVolumeTypes.html