AWS Certified Cloud Practitioner
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Your company is planning to offload some of the batch processing workloads onto AWS. These jobs can be interrupted and resumed at any time. Which of the following instance types would be the most cost effective to use for this purpose?
Real Exam
Community
RRitesh
A
On-Demand Instances
B
Reserved Instances
C
Spot Instances
D
Dedicated Instances
E
Dedicated Hosts
F
Savings Plans
Explanation:
Explanation
Spot Instances are the most cost-effective option for interruptible batch processing workloads because:
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Significant Cost Savings: Spot Instances offer up to 90% discount compared to On-Demand Instances
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Interruptible Nature: Since your jobs can be interrupted and resumed, they are perfect for Spot Instances which can be reclaimed by AWS with a 2-minute warning
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Batch Processing: Spot Instances are ideal for fault-tolerant, flexible applications like batch processing, big data analytics, and containerized workloads
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Resume Capability: Your workload's ability to resume from interruptions makes it well-suited for Spot Instance interruptions
Why not other options:
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On-Demand Instances: More expensive and not interruptible
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Reserved Instances: Require 1-3 year commitment, better for steady-state workloads
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Dedicated Instances/Dedicated Hosts: Most expensive options, provide physical isolation
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Savings Plans: Commitment-based discount model, but Spot Instances still offer better savings for interruptible workloads
For batch processing that can handle interruptions, Spot Instances provide the optimal balance of cost-effectiveness and functionality.
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