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There is a requirement for a development and test environment for 3 months. Which would you use?
A
Spot Instances
B
On-Demand
C
No Upfront costs Reserved
D
Partial Upfront costs Reserved
Explanation:
Since the requirement is just for 3 months, then the best cost effective option is to use On-Demand Instances.
Key Points:
Spot Instances are for fault-tolerant, flexible workloads and can be interrupted
Reserved Instances (both No Upfront and Partial Upfront) require 1-3 year commitments and are cost-effective for long-term usage
On-Demand Instances provide maximum flexibility with no long-term commitment, making them ideal for short-term development and test environments
For a 3-month duration, On-Demand offers the best balance of cost and flexibility without the commitment of Reserved Instances