ExpertMedium1 markMultiple Choice
AWS SAA-C03 · Question 38 · Domain 3.1: Storage Performance
A database requires 60,000 IOPS and sub-millisecond latency. The data must persist even if the EC2 instance is stopped or terminated. Which TWO storage options could meet these requirements? (Select TWO.)
A database requires 60,000 IOPS and sub-millisecond latency. The data must persist even if the EC2 instance is stopped or terminated. Which TWO storage options could meet these requirements? (Select TWO.)
Answer options:
A.
Amazon EBS gp3
B.
Amazon EBS io2 Block Express
C.
Amazon EC2 Instance Store
D.
Amazon EBS io2
E.
Amazon EFS
How to approach this question
Identify the need for persistent block storage (EBS) with >16k IOPS. Only io2 and io2 Block Express support this.
Full Answer
EBS io2 Block Express and EBS io2.
For persistent block storage requiring 60,000 IOPS, you must use Provisioned IOPS SSD volumes. Both io2 (up to 64,000 IOPS) and io2 Block Express (up to 256,000 IOPS) meet this requirement. Instance store is ephemeral and does not persist data.
Common mistakes
Selecting Instance Store, forgetting the requirement for data persistence.
Practice the full AWS SAA-C03 Practice Exam 3
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