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Exam AWS Certified Solutions Architect - Associate SAA-C02 topic 1 question 732 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Associate SAA-C02
Question #: 732
Topic #: 1
[All AWS Certified Solutions Architect - Associate SAA-C02 Questions]

A company runs a global web application on Amazon EC2 instances behind an Application Load Balancer. The application stores data in Amazon Aurora. The company needs to create a disaster recovery solution and can tolerate up to 30 minutes of downtime and potential data loss. The solution does not need to handle the load when the primary infrastructure is healthy.
What should a solutions architect do to meet these requirements?

  • A. Deploy the application with the required infrastructure elements in place. Use Amazon Route 53 to configure active-passive failover. Create an Aurora Replica in a second AWS Region.
  • B. Host a scaled-down deployment of the application in a second AWS Region. Use Amazon Route 53 to configure active-active failover. Create an Aurora Replica in the second Region.
  • C. Replicate the primary infrastructure in a second AWS Region. Use Amazon Route 53 to configure active-active failover. Create an Aurora database that is restored from the latest snapshot.
  • D. Back up data with AWS Backup. Use the backup to create the required infrastructure in a second AWS Region. Use Amazon Route 53 to configure active- passive failover. Create an Aurora second primary instance in the second Region.
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Suggested Answer: D 🗳️
by guptatrng at Sept. 9, 2022, 6:31 p.m.
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guptatrng
Highly Voted 2 years, 8 months ago
A????????
upvoted 7 times
Ekie
2 years, 7 months ago
are you asking? or voting for A?
upvoted 1 times
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Yelizaveta
Most Recent 2 years, 2 months ago
Selected Answer: D
I would say its D because you just can have a replica in another region with Aurora MySQL and not with Aurora. With aurora you just can have a second primary in another region (global database) https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/aurora-global-database-disaster-recovery.html
upvoted 1 times
Yelizaveta
2 years, 2 months ago
No I am sorry! It's A!!!! "Depending on the Regions involved and the amount of data to be copied, a cross-Region snapshot copy can take hours to complete and will be a factor to consider for the RPO requirements. You need to take this into account when you estimate the RPO of this DR strategy. If you have strict RTO and RPO requirements, you should consider a different DR strategy, such as Amazon Aurora Global Database ." https://aws.amazon.com/blogs/database/cost-effective-disaster-recovery-for-amazon-aurora-databases-using-aws-backup/ Aurora Global Database provides the following benefits: Fast global failover to secondary Regions, typically up to a few minutes, which helps achieve a low RTO Low replication lag across Regions, typically less than 1 second, which helps achieve a low RPO Replication performed by Aurora Global Database has no performance impact on the primary DB cluster
upvoted 2 times
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Ruby_Song
2 years, 4 months ago
The answer is A. 1. "The solution does not need to handle the load when the primary infrastructure is healthy."-->BCD out. Because we don't need the second infra over there. We can only use route53 active-passive failover to redirect traffic to other healthy resource when the primary resource are unhealthy. 2. We must use aurora read replica--->perfect for rds failover. So C, D out.
upvoted 4 times
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Jerry84
2 years, 4 months ago
Selected Answer: A
Only A mentioned to deploy both Application and Infrastructure in second Region.
upvoted 1 times
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wisoxe8356
2 years, 5 months ago
https://aws.amazon.com/getting-started/hands-on/amazon-ec2-backup-and-restore-using-aws-backup/ yes aws offer the aws backup solution for ec2, but as it hasnt mentioned the term "ec2" i dont think it is good option My preference will go alone with option A
upvoted 1 times
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Jobair
2 years, 5 months ago
Selected Answer: A
I'll go for A. Option D is just talking about data, app infrastructure has bot been mentioned
upvoted 2 times
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study_aws1
2 years, 5 months ago
Not sure if the below links will help answering, but points towards option A). However, this option does not require RTO & RPO of 30 mins. https://aws.amazon.com/blogs/database/cross-region-disaster-recovery-using-amazon-aurora-global-database-for-amazon-aurora-postgresql/ https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/AuroraMySQL.Replication.CrossRegion.html
upvoted 1 times
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rob74
2 years, 6 months ago
Selected Answer: D
Please help me for me, answer is D for me is correct, because "The solution does not need to handle the load when the primary infrastructure is healthy"-->Active/Passive .
upvoted 2 times
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