AWS DevOps Engineer Professional DOP-C01 – Question437

Which EBS volume type is best for high performance NoSQL cluster deployments?

A.
io1
B. gp1
C. standard
D. gp2

Correct Answer: A

Explanation:

Explanation: io1 volumes, or Provisioned IOPS (PIOPS) SSDs, are best for: Critical business applications that require sustained IOPS performance, or more than 10,000 IOPS or 160 MiB/s of throughput per volume, like large database workloads, such as MongoDB.
Reference:
http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/EBSVolumeTypes.html