SAA-C03 · Question #732
SAA-C03 Question #732: Real Exam Question with Answer & Explanation
The correct answer is B: Use Reserved Instances for the frontend nodes. Use Spot Instances for the backend nodes.. Reserved Instances provide cost-effective, always-on capacity for frontend nodes that run 24/7. Spot Instances are ideal for backend nodes that run only when needed and can tolerate interruptions, allowing the infrastructure to scale with workload while minimizing costs.
Question
A company runs a custom application on Amazon EC2 On-Demand Instances. The application has frontend nodes that need to run 24 hours a day, 7 days a week. The application has backend nodes that need to run only for a short time based on the workload. The frontend nodes accept jobs and place the jobs in queues. The backend nodes process jobs from the queues. Job processing is asynchronous and can be restarted. The company wants to scale its infrastructure based on workload. Which solution will meet these requirements MOST cost-effectively?
Options
- AUse Reserved Instances for the frontend nodes. Use AWS Fargate for the backend nodes.
- BUse Reserved Instances for the frontend nodes. Use Spot Instances for the backend nodes.
- CUse Spot Instances for the frontend nodes. Use Reserved Instances for the backend nodes.
- DUse Spot Instances for the frontend nodes. Use AWS Fargate for the backend nodes.
Explanation
Reserved Instances provide cost-effective, always-on capacity for frontend nodes that run 24/7. Spot Instances are ideal for backend nodes that run only when needed and can tolerate interruptions, allowing the infrastructure to scale with workload while minimizing costs.
Community Discussion
No community discussion yet for this question.