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Question 693 - CLF-C02 discussion

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What is the recommended use case for Amazon EC2 On-Demand Instances?

A.
A steady-state workload that requires a particular EC2 instance configuration for a long period of time
Answers
A.
A steady-state workload that requires a particular EC2 instance configuration for a long period of time
B.
A workload that can be interrupted for a project that requires the lowest possible cost
Answers
B.
A workload that can be interrupted for a project that requires the lowest possible cost
C.
An unpredictable workload that does not require a long-term commitment
Answers
C.
An unpredictable workload that does not require a long-term commitment
D.
A workload that is expected to run for longer than 1 year
Answers
D.
A workload that is expected to run for longer than 1 year
Suggested answer: C

Explanation:

Amazon EC2 On-Demand Instances are ideal for unpredictable workloads that do not require a long-term commitment. This option allows users to pay for compute capacity by the hour or second, with no long-term commitments. It is suitable for short-term, spiky, or unpredictable workloads that cannot be interrupted and require flexibility. Option A is better suited for Reserved Instances, Option B is ideal for Spot Instances, and Option D is more suited for Reserved Instances due to cost optimization for long-term use.

'There is no long-term commitment required when you purchase On-Demand Instances. You pay only for the seconds that your On-Demand Instances are in the running state, with a 60-second minimum. The price per second for a running On-Demand Instance is fixed, and is listed on the Amazon EC2 Pricing, On-Demand Pricing page. We recommend that you use On-Demand Instances for applications with short-term, irregular workloads that cannot be interrupted.' https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-on-demand-instances.html

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asked 16/09/2024
Mellisa Stroman
38 questions
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