Free AWS Cloud Practitioner CLF-C02 Practice Question
Your company wants to minimize costs for a new batch processing workload that can tolerate interruptions. Which purchasing option would BEST align with this requirement?
Spot Instances allow customers to purchase unused Amazon EC2 compute capacity at discounted prices, which can be interrupted by AWS with a two-minute notification if AWS needs the capacity back. This makes them an excellent choice for workloads that are flexible and can withstand interruptions, such as batch processing jobs. On-Demand Instances provide the most flexibility without upfront payment or long-term commitment but are more costly compared to Spot Instances. Reserved Instances provide a discounted hourly rate and an optional capacity reservation in exchange for a contract term, but they do not handle interruptions and are less suitable for unpredictable workloads. Savings Plans offer lower prices in exchange for a commitment to a consistent amount of usage (in USD/hour) over a 1 or 3-year period and would not provide the cost savings for interruptible workloads as Spot Instances would.
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What are Spot Instances and how do they work?
What is the difference between Spot Instances and On-Demand Instances?
Can you explain why Reserved Instances and Savings Plans are less suitable for interruptible workloads?
This question's topic:
AWS Cloud Practitioner CLF-C02 /
Billing, Pricing, and Support
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