Which cloud concept is demonstrated by using AWS Cost Explorer?

Question

Options

• ARightsizing
• BReliability
• CResilience
• DModernization

• A
  94% (29)
• B
  3% (1)
• D
  3% (1)

Explanation

AWS Cost Explorer and Rightsizing

Rightsizing is correct because AWS Cost Explorer helps you analyze your cloud spending patterns and identify opportunities to match your resource sizes and types to actual workload demands - eliminating waste by scaling down over-provisioned resources or eliminating unused ones. This is the textbook definition of rightsizing: optimizing resource allocation to balance performance and cost.

Reliability (B) refers to a system's ability to perform its intended function consistently and recover from failures - this is addressed by services like AWS CloudWatch or Multi-AZ deployments, not cost analysis tools. Resilience (C) is closely related to reliability, focusing on a system's ability to withstand and recover from disruptions - again, a design/architecture concept, not a cost optimization one. Modernization (D) refers to updating legacy applications or infrastructure to newer technologies, which is a migration/transformation strategy unrelated to cost visibility tools.

Memory Tip: Think of "rightsizing" like buying the right-sized clothes - Cost Explorer helps you see if you're wearing an oversized (and expensive) outfit and lets you "size down" to what actually fits your needs.

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