Which AWS services support reservations to optimize costs? (Select three) A) DocumentDB B) DynamoDB C) Lambda D) RDS E) S3 F) EC2 Instances
Understand the Problem
The question is asking for information regarding which specific AWS services allow for cost optimization through reservations. This involves identifying services that have reservation options, which can help in reducing costs for long-term usage.
Answer
DynamoDB, RDS, and EC2 Instances
The AWS services that support reservations to optimize costs are DynamoDB, RDS, and EC2 Instances.
Answer for screen readers
The AWS services that support reservations to optimize costs are DynamoDB, RDS, and EC2 Instances.
More Information
AWS offers reservation models to help optimize costs for various services by allowing users to reserve capacity for 1 or 3 years, which can result in significant cost savings compared to on-demand pricing.
Tips
A common mistake is assuming that all AWS services support reservations. It's important to check the specific services that offer this capability.
Sources
- Reservation models for other AWS services - docs.aws.amazon.com
- Revisit Domain 4: Billing and Pricing Flashcards by Wesley P - brainscape.com
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