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Exam AWS Certified Solutions Architect - Associate SAA-C02 topic 1 question 712 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Associate SAA-C02
Question #: 712
Topic #: 1
[All AWS Certified Solutions Architect - Associate SAA-C02 Questions]

A development team runs monthly resource-intensive tests on its general purpose Amazon RDS for MySQL DB instance with Performance Insights enabled. The testing lasts for 48 hours once a month and is the only process that uses the database. The team wants to reduce the cost of running the tests without reducing the compute and memory attributes of the DB instance.
Which solution meets these requirements MOST cost-effectively?

  • A. Stop the DB instance when tests are completed. Restart the DB instance when required.
  • B. Use an Auto Scaling policy with the DB instance to automatically scale when tests are completed.
  • C. Create a snapshot when tests are completed. Terminate the DB instance and restore the snapshot when required.
  • D. Modify the DB instance to a low-capacity instance when tests are completed. Modify the DB instance again when required.
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Suggested Answer: C 🗳️
by guptatrng at Sept. 9, 2022, 5 p.m.
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BECAUSE
1 year, 11 months ago
Selected Answer: C
C is the answer
upvoted 1 times
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sassy2023
2 years, 3 months ago
Selected Answer: C
i think its C is the cheapest. compute and memory of the DB instance can be provision again with the exact attributes when the next testing comes...
upvoted 1 times
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josh_fan
2 years, 7 months ago
Selected Answer: C
C only charge for backup storage of the DB snapshot.
upvoted 2 times
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rodriiviru
2 years, 7 months ago
Selected Answer: A
Suppose that you use a DB instance intermittently, for temporary testing, or for a daily development activity. If so, you can stop your Amazon RDS DB instance temporarily to save money. While your DB instance is stopped, you are charged for provisioned storage (including Provisioned IOPS). You're also charged for backup storage, including manual snapshots and automated backups within your specified retention window. However, you're not charged for DB instance hours. https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_StopInstance.html
upvoted 1 times
josh_fan
2 years, 7 months ago
In this case, maybe C is more cost-effective. For the reason that, C only charged you for backup storage of the DB snapshot.
upvoted 1 times
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guptatrng
2 years, 8 months ago
C will be more cost effective..
upvoted 1 times
sk_sk
2 years, 7 months ago
when restoring snapshot you need to reconfigure the instance size which is not correct in this case
upvoted 1 times
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