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Exam AWS Certified Solutions Architect - Professional topic 1 question 920 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Professional

Question #: 920
Topic #: 1

[All AWS Certified Solutions Architect - Professional Questions]

A company's solutions architect is designing a disaster recovery (DR) solution for an application that runs on AWS. The application uses PostgreSQL 11.7 as its database. The company has an RPO of 30 seconds. The solutions architect must design a DR solution with the primary database in the us-east-1 Region and the failover database in the us-west-2 Region.
What should the solutions architect do to meet these requirements with minimum application change?

A. Migrate the database to Amazon RDS for PostgreSQL in us-east-1. Set up a read replica in us-west-2. Set the managed RPO for the RDS database to 30 seconds.
B. Migrate the database to Amazon RDS for PostgreSQL in us-east-1. Set up a standby replica in an Availability Zone in us-west-2. Set the managed RPO for the RDS database to 30 seconds.
C. Migrate the database to an Amazon Aurora PostgreSQL global database with the primary Region as us-east-1 and the secondary Region as us-west-2. Set the managed RPO for the Aurora database to 30 seconds.
D. Migrate the database to Amazon DynamoDB in us-east-1. Set up global tables with replica tables that are created in us-west-2.

Show Suggested Answer

Suggested Answer: C 🗳️

by SGES at Sept. 5, 2022, 10:07 a.m.

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Comments

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SkyZeroZx

2 years ago

Selected Answer: C

Keyword in answer is aurora then C , because aurora is more faster than usually RDS PostgreSQL

upvoted 1 times

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zozza2023

2 years, 5 months ago

Selected Answer: C

C is the answer for me

upvoted 1 times

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masetromain

2 years, 6 months ago

Selected Answer: C

C. Migrate the database to an Amazon Aurora PostgreSQL global database with the primary Region as us-east-1 and the secondary Region as us-west-2. Set the managed RPO for the Aurora database to 30 seconds. The Aurora Global Database allows a primary database in one region, with read replicas in other regions. It automatically replicates data across regions in real-time, which allows you to switch over to a different region in the event of a disaster. With the RPO set to 30 seconds, this solution would meet the requirements for minimal data loss in the event of a disaster. This solution is the most appropriate for minimizing changes to the application and providing a disaster recovery solution that meets the company's RPO.

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sb333

2 years, 9 months ago

C https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/aurora-global-database-disaster-recovery.html#:~:text=recovery%20point%20objective-,Setting%20the%20recovery%20point%20objective,-The%20rds.global_db_rpo

upvoted 3 times

wassb

2 years, 9 months ago

Thanks for the link. Indeed, there is a parameter "rds.global_db_rpo" which can be fixed in Aurora PostgreSQL DB.

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vbloise

2 years, 9 months ago

Selected Answer: C

Here's a description of managed RPO: https://aws.amazon.com/about-aws/whats-new/2020/06/amazon-aurora-postgresql-global-database-supports-managed-recovery-point-objective-RPO/

upvoted 1 times

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AwsBRFan

2 years, 10 months ago

Selected Answer: C

C to me "Set the managed RPO for the RDS database to 30 seconds. " this sentence not possible on my opinion

upvoted 2 times

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cale

2 years, 10 months ago

Selected Answer: C

I think it is C too. Here is reference: https://aws.amazon.com/about-aws/whats-new/2020/06/amazon-aurora-supports-postgresql-versions-117-1012-and-9617-and-adds-global-database-for-postgresql-117/.

upvoted 2 times

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SGES

2 years, 10 months ago

https://aws.amazon.com/blogs/database/managed-planned-failovers-with-amazon-aurora-global-database/

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SGES

2 years, 10 months ago

C Managed planned failover. To relocate your primary database cluster to one of the secondary Regions in your Aurora global database, see Managed planned failovers with Amazon Aurora Global Database. With this feature, RPO is 0 (no data loss) and it synchronizes secondary DB clusters with the primary before making any other changes. RTO for this automated process is typically less than that of the manual failover.

upvoted 4 times

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