SAA-C03 · Question #780
A company hosts a web application on multiple Amazon EC2 instances. The EC2 instances are in an Auto Scaling group that scales in response to user demand. The company wants to optimize costs for the…
The correct answer is C. Purchase a mix of On-Demand Instances and Spot Instances. Using a mix of On-Demand and Spot Instances allows the company to handle variable workloads while optimizing costs. On-Demand Instances provide reliability for critical capacity, and Spot Instances provide significant cost savings for scalable, fault-tolerant workloads, all…
Question
A company hosts a web application on multiple Amazon EC2 instances. The EC2 instances are in an Auto Scaling group that scales in response to user demand. The company wants to optimize costs for the application but does not want to make any long-term commitments. Which solution will meet these requirements?
Options
- APurchase Dedicated Instances only.
- BPurchase Reserved Instances with a partial upfront payment.
- CPurchase a mix of On-Demand Instances and Spot Instances.
- DPurchase a mix of On-Demand Instances and Reserved Instances.
How the community answered
(50 responses)- A12% (6)
- B4% (2)
- C76% (38)
- D8% (4)
Explanation
Using a mix of On-Demand and Spot Instances allows the company to handle variable workloads while optimizing costs. On-Demand Instances provide reliability for critical capacity, and Spot Instances provide significant cost savings for scalable, fault-tolerant workloads, all without requiring long-term commitments.
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