DP-203 Match storage service Practice Question
Match each Azure storage service to its primary use case. Select the Azure storage services from the options below.
⚠ Common exam trap
Candidates often confuse Azure Data Lake Storage with Blob Storage; Data Lake Storage is Blob Storage with hierarchical namespace, optimized for analytics.
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 Data Lake Storage Gen2
Azure Data Lake Storage Gen2 is used for big data analytics, Azure Cosmos DB for globally distributed, low-latency applications, Azure SQL Database for relational OLTP, and Azure Table Storage for NoSQL key-value stores. Options A through D describe the use cases, not the services, so they are not selected. The correct answers are E, F, G, and H.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Big data analytics
Why it's wrong here
Big data analytics is the use case for Azure Data Lake Storage Gen2, not a service itself.
- ✗
Globally distributed, low-latency applications
Why it's wrong here
Globally distributed, low-latency applications is the use case for Azure Cosmos DB.
- ✗
Relational OLTP
Why it's wrong here
Relational OLTP is the use case for Azure SQL Database.
- ✗
NoSQL key-value store
Why it's wrong here
NoSQL key-value store is the use case for Azure Table Storage.
- ✓
Azure Data Lake Storage Gen2
Why this is correct
Azure Data Lake Storage Gen2 is correctly matched with big data analytics.
- ✓
Azure Cosmos DB
Why this is correct
Azure Cosmos DB is correctly matched with globally distributed applications.
- ✓
Azure SQL Database
Why this is correct
Azure SQL Database is correctly matched with relational OLTP.
- ✓
Azure Table Storage
Why this is correct
Azure Table Storage is correctly matched with NoSQL key-value store.
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