Medium1 markMultiple Choice
AWS SAA-C03 · Question 38 · Domain 3.1: Storage Performance
A database application running on an EC2 instance requires a block storage volume that can sustain 64,000 IOPS and provides sub-millisecond latency. Which Amazon EBS volume type should be used?
A database application running on an EC2 instance requires a block storage volume that can sustain 64,000 IOPS and provides sub-millisecond latency. Which Amazon EBS volume type should be used?
Answer options:
A.
General Purpose SSD (gp3)
B.
Provisioned IOPS SSD (io2 Block Express)
C.
Throughput Optimized HDD (st1)
D.
Cold HDD (sc1)
How to approach this question
Identify the high IOPS requirement (>16,000). Only Provisioned IOPS (io1/io2) can handle this.
Full Answer
B.Provisioned IOPS SSD (io2 Block Express)✓ Correct
io2 Block Express volumes are designed to provide sub-millisecond latency and support up to 256,000 IOPS, making them ideal for the most demanding database workloads.
Common mistakes
Thinking gp3 can handle 64,000 IOPS (it caps at 16,000).
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