What is IOPS?

It is a metric performance that measure how many read and write operation in a storage system

What is IOPS?

Ionput output Operation per second

What are the different types of EBS volumes?

Gp2,Gp3, io1,io2,st1,sc1

What is GP2? Under which category of HDD?

General purpose SSD legacy option

What is the use case for io1 or io2 volumes?

Provisioned iops SSD