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Exam AWS-SysOps topic 1 question 913 discussion

Exam question from Amazon's AWS-SysOps
Question #: 913
Topic #: 1
[All AWS-SysOps Questions]

A SysOps administrator is implementing automated I/O load performance testing as part of the continuous integration/continuous delivery (CI/CD) process for an application. The application uses an Amazon Elastic Block Store (Amazon EBS) Provisioned IOPS volume for each instance that is restored from a snapshot and requires consistent I/O performance. During the initial tests, the I/O performance results are sporadic. The SysOps administrator must ensure that the tests yield more consistent results.
Which actions could the SysOps administrator take to accomplish this goal? (Choose two.)

  • A. Restore the EBS volume from the snapshot with fast snapshot restore enabled.
  • B. Restore the EBS volume from the snapshot using the cold HDD volume type.
  • C. Restore the EBS volume from the snapshot and pre-warm the volume by reading all of the blocks.
  • D. Restore the EBS volume from the snapshot and configure encryption.
  • E. Restore the EBS volume from the snapshot and configure I/O block size at random.
Show Suggested Answer Hide Answer
Suggested Answer: AB 🗳️
Reference:
https://aws.amazon.com/ebs/faqs/
by qurren at July 1, 2021, 2:43 a.m.
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albert_kuo
9 months, 1 week ago
Selected Answer: AC
Based on the given options and the context of addressing sporadic I/O performance issues during continuous I/O load testing, the most relevant actions to take are options A and C. Configuring fast snapshot restore (option A) can improve the first-time access performance, and pre-warming the EBS volume (option C) can help ensure the data is loaded into the volume before the testing begins, potentially leading to more consistent I/O performance results.
upvoted 1 times
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Finger41
1 year, 10 months ago
Selected Answer: AC
https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ebs-initialize.html
upvoted 1 times
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Huy
2 years, 6 months ago
A,C. Need prewarm the EBS which is A or C.
upvoted 1 times
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BearNear
2 years, 6 months ago
Answer is A, C https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ebs-initialize.html
upvoted 2 times
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qurren
2 years, 6 months ago
These are new questions since July 1... Answer is AC
upvoted 4 times
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