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Exam AWS Certified Solutions Architect - Associate SAA-C03 topic 1 question 935 discussion

A software company needs to upgrade a critical web application. The application currently runs on a single Amazon EC2 instance that the company hosts in a public subnet. The EC2 instance runs a MySQL database. The application's DNS records are published in an Amazon Route 53 zone.

A solutions architect must reconfigure the application to be scalable and highly available. The solutions architect must also reduce MySQL read latency.

Which combination of solutions will meet these requirements? (Choose two.)

  • A. Launch a second EC2 instance in a second AWS Region. Use a Route 53 failover routing policy to redirect the traffic to the second EC2 instance.
  • B. Create and configure an Auto Scaling group to launch private EC2 instances in multiple Availability Zones. Add the instances to a target group behind a new Application Load Balancer.
  • C. Migrate the database to an Amazon Aurora MySQL cluster. Create the primary DB instance and reader DB instance in separate Availability Zones.
  • D. Create and configure an Auto Scaling group to launch private EC2 instances in multiple AWS Regions. Add the instances to a target group behind a new Application Load Balancer.
  • E. Migrate the database to an Amazon Aurora MySQL cluster with cross-Region read replicas.
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Suggested Answer: DE 🗳️

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progounick
2 weeks, 6 days ago
Selected Answer: BC
It is obvious
upvoted 1 times
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dhewa
3 weeks, 4 days ago
Selected Answer: BC
These simple options will help you achieve a robust, scalable, and highly available architecture for your web application
upvoted 1 times
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7d84bc7
3 weeks, 6 days ago
Selected Answer: BC
B and C for high availability and scalability
upvoted 1 times
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nebajp
1 month, 1 week ago
Selected Answer: BC
correct Answer is B& C as it talks about high availability and scalability and rest of the options are for Disaster Recovery. Right answer is B & C.
upvoted 1 times
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nebajp
1 month, 1 week ago
correct Answer is B& C as it talks about high availability and scalability and rest of the options are for Disaster Recovery. Right answer is B & C.
upvoted 1 times
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example_
1 month, 1 week ago
Selected Answer: BC
https://docs.aws.amazon.com/AmazonRDS/latest/AuroraUserGuide/Concepts.AuroraHighAvailability.html
upvoted 3 times
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komorebi
1 month, 2 weeks ago
Selected Answer: DE
Answer is DE
upvoted 1 times
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JunsK1e
1 month, 2 weeks ago
Selected Answer: BC
B is correct and C, D is incorrect since the auto scaling is working within Region not Multi region. E incorrect also because the question is asking a high availability C is the best answer that E.
upvoted 3 times
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A (35%)
C (25%)
B (20%)
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