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Which AWS resource can help a company reduce its costs in exchange for a usage commitment when using Amazon EC2 instances?
A
Compute Savings Plans
B
Auto Scaling group
C
On-Demand Instance
D
EC2 instance store
Explanation:
Compute Savings Plans is the correct answer because:
Cost Reduction: Compute Savings Plans offer significant discounts (up to 72%) compared to On-Demand pricing
Usage Commitment: They require a commitment to a consistent amount of compute usage (measured in $/hour) for a 1- or 3-year term
Flexibility: They provide flexibility to change instance families, operating systems, and tenancy while maintaining the savings
EC2 Focus: Specifically designed for EC2 instances and other compute services
Why other options are incorrect:
Auto Scaling group: This helps with availability and performance optimization, not cost savings through commitments
On-Demand Instance: This is pay-as-you-go pricing with no commitments and higher costs
EC2 instance store: This refers to temporary block-level storage, not a cost-saving mechanism
Savings Plans are AWS's recommended way to save on compute costs when you can commit to consistent usage patterns.