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Difficulty: EasyUnderstand concepts of cloud economics

An online education platform hosts virtual classes and experiences high spikes in user traffic during exam periods, followed by low traffic during school holidays. Which two options represent the primary economic advantages of migrating this workload to AWS? (Select TWO.)

  1. Trading capital expenses for variable operating expenses, reducing upfront hardware costsAnswer
  2. Leveraging elasticity to dynamically scale compute capacity down during low-traffic school breaksAnswer
  3. C
    Permanently provisioning server capacity for the maximum peak demand to maximize long-term scalability
  4. D
    Converting operational expenses into upfront capital expenditures to guarantee fixed monthly billing
  5. E
    Consolidating all microservices into a single monolithic architecture to simplify network cost allocation

Answer

Trading capital expenses for variable operating expenses, reducing upfront hardware costs; and leveraging elasticity to dynamically scale compute capacity down during low-traffic school breaks.
The correct options represent the primary advantages: trading capital expenses for variable operating expenses allows the platform to pay only for what they use without massive initial hardware investments; leveraging elasticity ensures they scale resources down when students are on break, eliminating wasted spending on idle capacity.

Step-by-Step Solution

1
Analyze the business scenario
The platform experiences variable demand (high spikes during exam periods, low traffic during breaks) and currently uses on-premises infrastructure.
Understanding the customer's traffic pattern helps identify which cloud economic pillars apply.
2
Evaluate the financial benefit of shifting expenses
By moving to AWS, the platform avoids upfront physical server costs (CapEx) and pays for resources as they are used (OpEx).
This directly maps to the core cloud economics benefit of trading capital expense for variable expense.
3
Evaluate the technical-cost benefit of elasticity
By using elasticity, the platform dynamically scales down during breaks, avoiding payment for idle capacity.
Elasticity prevents wasted spending by aligning resource capacity directly with user demand.

Key Concept

Cloud Economics: CapEx to OpEx shift and cost benefits of elasticity
Estimated Time:1m 30s
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Understand concepts of cloud economics

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