Exam AWS Certified Solutions Architect - Associate SAA-C03 topic 1 question 824 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Associate SAA-C03

Question #: 824
Topic #: 1

[All AWS Certified Solutions Architect - Associate SAA-C03 Questions]

A company has an application that runs on a single Amazon EC2 instance. The application uses a MySQL database that runs on the same EC2 instance. The company needs a highly available and automatically scalable solution to handle increased traffic.

Which solution will meet these requirements?

A. Deploy the application to EC2 instances that run in an Auto Scaling group behind an Application Load Balancer. Create an Amazon Redshift cluster that has multiple MySQL-compatible nodes.
B. Deploy the application to EC2 instances that are configured as a target group behind an Application Load Balancer. Create an Amazon RDS for MySQL cluster that has multiple instances.
C. Deploy the application to EC2 instances that run in an Auto Scaling group behind an Application Load Balancer. Create an Amazon Aurora Serverless MySQL cluster for the database layer.
D. Deploy the application to EC2 instances that are configured as a target group behind an Application Load Balancer. Create an Amazon ElastiCache for Redis cluster that uses the MySQL connector.

Show Suggested Answer

Suggested Answer: C 🗳️

by haci at March 21, 2024, 8:10 a.m.

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Comments

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haci

Highly Voted 1 year, 3 months ago

Selected Answer: C

Target groups are just a group of Ec2 instances. Target groups are closely associated with ELB and not ASG. We can just use ELB and Target groups to route requests to EC2 instances. With this setup, there is no autoscaling which means instances cannot be added or removed when your load increases/decreases.

upvoted 8 times

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sheilawu

Highly Voted 1 year, 1 month ago

Selected Answer: C

scalable solution= Amazon Aurora Serverless

upvoted 5 times

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LeonSauveterre

Most Recent 6 months ago

Selected Answer: C

I don't see how Redshift or ElastiCache relates to the question.

upvoted 1 times

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MatAlves

9 months, 1 week ago

Selected Answer: C

Option B: Target Group: it doesn't inherently imply automatic scaling. You would need to manage scaling separately, either manually or through other mechanisms like scheduled actions. Option C: Auto Scaling Group: This ensures that the EC2 instances can automatically scale in or out based on traffic and demand. "The company needs a highly available and automatically scalable solution" => C

upvoted 2 times

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Scheldon

1 year ago

Selected Answer: C

AnswerC highly available and automatically scalable solution = Auto Scale for EC2 in front which we will have ALB and Aurora Server less will give us perfect decoupled solution in which we can increase amount of servers per need and in case of server failure AutoScale will run new EC2 instance

upvoted 3 times

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