A database running on Amazon EC2 requires an Amazon EBS volume that can provide 64,000 IOPS and consistent sub-millisecond latency. <br/><br/>Which EBS volume type should the solutions architect choose?

Answer options:

General Purpose SSD (gp3)

Provisioned IOPS SSD (io2 Block Express)

Throughput Optimized HDD (st1)

Cold HDD (sc1)

How to approach this question

Memorize the IOPS limits of EBS volumes. >16,000 IOPS requires Provisioned IOPS (io1/io2).

Full Answer

B.Provisioned IOPS SSD (io2 Block Express)✓ Correct

Provisioned IOPS SSD (io2 Block Express)

io2 Block Express volumes are designed to provide sub-millisecond latency and support up to 256,000 IOPS. General Purpose (gp3) volumes only support up to 16,000 IOPS.

Common mistakes

Choosing gp3, forgetting its 16,000 IOPS limit.

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