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Cloud Financial Management

Recognition

AWS Cost Explorer

Evidence for processing and storage cost optimization without relying on mutable price tables.

Key points

  • Cost Explorer shows historical and forecasted cost trends by service, account, or tag.
  • Use its measured evidence before changing capacity, retention, or architecture for cost reasons.

Best-known use cases

  • Analyze historical processing and storage costs by service or tag.
  • Identify cost trends before changing pipeline capacity or retention.

What candidates often confuse it with

  • Cost Explorer supports cost analysis; AWS Budgets adds threshold-based notifications.

Key takeaway

Choose Cost Explorer to investigate where data-platform spend changed before selecting an optimization.

Relevant exam tasks

  • D1.2 — Task 1.2: Transform and process data
  • 1.2.4 — Optimize costs while processing data.

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Free AWS Certified Data Engineer - Associate prep

Build focused DEA-C01 quizzes from skill areas, topics, and product references.

Practice with exam-style multiple-choice and multiple-response questions, score breakdowns, explanations, and a compact reference for this lane's official exam domains.

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Exam Weights

Exam snapshot

DEA-C01 at a glance

Category
Associate
Duration
130 minutes
Questions
65 total; 50 scored and 15 unidentified unscored
Formats
Multiple choice and multiple response
Scoring
100–1,000 scaled score; 720 minimum passing score

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Exam fidelity: AWS documents 65 questions in 130 minutes: 50 scored and 15 unidentified unscored, using multiple-choice and multiple-response formats. This site's practice accuracy and readiness do not reproduce AWS's 100–1,000 scaled scoring or identify unscored items. Difficulty labels describe this site's Associate-level scenario complexity, not an AWS-published question rating.

Reference

DEA-C01 topics and reference map

Study links

DEA-C01 resources