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You are currently hosting an infrastructure and most of the EC2 instances are near 90 - 100% utilized. What is the type of EC2 instances you would utilize to ensure costs are minimized?
A
Reserved instances
B
On-demand instances
C
Spot instances
D
Regular instances
Explanation:
When you have instances that will be used continuously and throughout the year, the best option is to buy reserved instances. By buying reserved instances, you are actually allocated an instance for the entire year or the duration you specify with a reduced cost.
Key Points:
Reserved Instances provide significant cost savings (up to 75% compared to On-Demand pricing)
Ideal for predictable, steady-state workloads with consistent utilization
90-100% utilization indicates these instances are running continuously
Available in 1-year or 3-year terms with various payment options
For more on Reserved Instances, go to URL: https://aws.amazon.com/ec2/pricing/reserved-instances/