DP-203 Match storage service to use case Practice Question
Match each Azure data storage service to its primary use case.
⚠ Common exam trap
Candidates may think only one service is correct, but this is a matching question where all options are valid matches for their respective use cases.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Azure Blob Storage
All Azure data storage services listed are correctly matched to their primary use cases: Azure Blob Storage for unstructured object storage, Azure Cosmos DB for globally distributed NoSQL data, Azure Data Lake Storage Gen2 for big data analytics, and Azure SQL Database for relational OLTP workloads.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Azure Blob Storage
Why this is correct
Azure Blob Storage is indeed the primary service for unstructured object storage.
- ✓
Azure Cosmos DB
Why this is correct
Azure Cosmos DB is the primary service for globally distributed NoSQL databases.
- ✓
Azure Data Lake Storage Gen2
Why this is correct
Azure Data Lake Storage Gen2 is the primary service for big data analytics with a hierarchical namespace.
- ✓
Azure SQL Database
Why this is correct
Azure SQL Database is the primary service for relational OLTP workloads.
Quick reference
Azure Blob Storage Tier Comparison
| Tier | Storage Cost | Retrieval Cost | Latency | Use Case |
|---|---|---|---|---|
| Hot | Highest | Lowest | Immediate | Active data, frequent reads |
| Cool | Lower | Higher | Immediate | Data accessed < once / month |
| Cold | Lower still | Higher | Immediate | Data accessed < once / quarter |
| Archive | Lowest | Highest + rehydration delay | Hours | Long-term compliance retention |
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This DP-203 practice question is part of Courseiva's free Microsoft certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the DP-203 exam.