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Exam AWS Certified Solutions Architect - Professional SAP-C02 topic 1 question 390 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Professional SAP-C02
Question #: 390
Topic #: 1
[All AWS Certified Solutions Architect - Professional SAP-C02 Questions]

A company is currently in the design phase of an application that will need an RPO of less than 5 minutes and an RTO of less than 10 minutes. The solutions architecture team is forecasting that the database will store approximately 10 TB of data. As part of the design, they are looking for a database solution that will provide the company with the ability to fail over to a secondary Region.

Which solution will meet these business requirements at the LOWEST cost?

  • A. Deploy an Amazon Aurora DB cluster and take snapshots of the cluster every 5 minutes. Once a snapshot is complete, copy the snapshot to a secondary Region to serve as a backup in the event of a failure.
  • B. Deploy an Amazon RDS instance with a cross-Region read replica in a secondary Region. In the event of a failure, promote the read replica to become the primary.
  • C. Deploy an Amazon Aurora DB cluster in the primary Region and another in a secondary Region. Use AWS DMS to keep the secondary Region in sync.
  • D. Deploy an Amazon RDS instance with a read replica in the same Region. In the event of a failure, promote the read replica to become the primary.
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Suggested Answer: B 🗳️
by devalenzuela86 at Nov. 22, 2023, 9:06 p.m.
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asquared16
8 months, 3 weeks ago
Selected Answer: B
It's B. In A, the RTO won't be met using snapshots, in C, well, it works but it's expensive. D doesn't even fulfill the regional requirement.
upvoted 1 times
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ftaws
1 year, 3 months ago
Selected Answer: B
I choose B. C : Aurora DB automaticly support sync. We don't use DMS.
upvoted 1 times
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career360guru
1 year, 4 months ago
Selected Answer: B
Option B is most cost effective
upvoted 2 times
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vibzr2023
1 year, 4 months ago
B for sure... Cross-Region read replicas continuously replicate data from the primary RDS instance to the secondary Region, providing a near-real-time RPO of less than 5 minutes. Failover to the replica can typically be achieved within minutes, meeting the RTO requirement. Option D doesn't provide cross-Region failover, which is a key requirement in this scenario.
upvoted 2 times
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Russs99
1 year, 5 months ago
Selected Answer: B
Option C is not cost effective as per requirement
upvoted 2 times
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PAUGURU
1 year, 5 months ago
Selected Answer: B
B for sure, C is way too expensive even though it's a correct solution
upvoted 2 times
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shaaam80
1 year, 5 months ago
Selected Answer: B
Answer B.
upvoted 1 times
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cypkir
1 year, 5 months ago
Selected Answer: B
Answer: B
upvoted 4 times
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devalenzuela86
1 year, 5 months ago
Selected Answer: C
C for sure
upvoted 2 times
devalenzuela86
1 year, 5 months ago
Sorry, correct D. deploying an Amazon RDS instance with a read replica in the same Region and promoting the read replica to become the primary in the event of a failure, the company can meet the business requirements of an RPO of less than 5 minutes and an RTO of less than 10 minutes for the application that will store approximately 10 TB of data and provide the ability to fail over to a secondary Region at the lowest cost.
upvoted 1 times
heatblur
1 year, 5 months ago
Deploying a read replica in the same region as their existing DB will not provide any failover to a secondary region. They must use a cross region replica to achieve this.
upvoted 4 times
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