This DP-900 practice question tests your understanding of describe considerations for working with non-relational data on azure. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Your team needs to store JSON documents that require schema flexibility and global distribution. Which Azure data store should you choose?
Azure Table Storage
Why wrong: Table Storage is key-value, not document-oriented.
Azure SQL Database
Why wrong: Azure SQL Database is relational, not flexible schema.
Azure Blob Storage
Why wrong: Blob Storage is for unstructured data, not document querying.
Azure Cosmos DB
Azure Cosmos DB supports flexible schema and global distribution.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Azure Cosmos DB
Option B is correct because Azure Cosmos DB is a globally distributed NoSQL database that natively supports JSON documents with flexible schema. Option A is wrong because Azure SQL Database is relational and enforces schema. Option C is wrong because Blob Storage stores unstructured data but does not provide a query interface for JSON documents. Option D is wrong because Table Storage is for key-value data, not document storage.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Azure Table Storage
Why it's wrong here
Table Storage is key-value, not document-oriented.
Azure SQL Database
Why it's wrong here
Azure SQL Database is relational, not flexible schema.
Azure Blob Storage
Why it's wrong here
Blob Storage is for unstructured data, not document querying.
Azure Cosmos DB
Why this is correct
Azure Cosmos DB supports flexible schema and global distribution.
Related concept
Static NAT maps one inside address to one outside address.
Common exam traps
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Real-world example
A media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
What to study next
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related DP-900 NAT questions on configuration and troubleshooting.
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FAQ
Describe considerations for working with non-relational data on Azure — This question tests Describe considerations for working with non-relational data on Azure — Static NAT maps one inside address to one outside address..
The correct answer is: Azure Cosmos DB — Option B is correct because Azure Cosmos DB is a globally distributed NoSQL database that natively supports JSON documents with flexible schema. Option A is wrong because Azure SQL Database is relational and enforces schema. Option C is wrong because Blob Storage stores unstructured data but does not provide a query interface for JSON documents. Option D is wrong because Table Storage is for key-value data, not document storage.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related DP-900 NAT questions on configuration and troubleshooting.
Static NAT maps one inside address to one outside address.
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Last reviewed: Jun 20, 2026
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