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.
You are designing a solution to store customer preferences as key-value pairs. The data will be accessed frequently and must support high availability across multiple Azure regions. The solution should minimize management overhead. Which Azure service should you use?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "minimum / minimize"
Why it matters: Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
Azure SQL Database
Why wrong: SQL Database is relational and not optimized for simple key-value pairs.
Azure Cache for Redis
Why wrong: Redis is a cache, not a durable primary store for key-value data.
Azure Cosmos DB
Cosmos DB is a globally distributed, multi-model database that supports key-value and provides high availability.
Azure Queue Storage
Why wrong: Queue Storage is for messaging, not for storing key-value pairs.
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
Azure Cosmos DB provides global distribution, high availability, and low-latency access for key-value data with minimal management. Option A is wrong because Azure Cache for Redis is a cache, not a durable store. Option C is wrong because Azure SQL Database is relational and overkill. Option D is wrong because Azure Storage Queue is for messaging.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Azure SQL Database
Why it's wrong here
SQL Database is relational and not optimized for simple key-value pairs.
Azure Cache for Redis
Why it's wrong here
Redis is a cache, not a durable primary store for key-value data.
Azure Cosmos DB
Why this is correct
Cosmos DB is a globally distributed, multi-model database that supports key-value and provides high availability.
Clue confirmation
The clue word "minimum / minimize" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Azure Queue Storage
Why it's wrong here
Queue Storage is for messaging, not for storing key-value pairs.
Common exam traps
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
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
Identify which DP-900 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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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 — Read the scenario before looking for a memorised answer..
The correct answer is: Azure Cosmos DB — Azure Cosmos DB provides global distribution, high availability, and low-latency access for key-value data with minimal management. Option A is wrong because Azure Cache for Redis is a cache, not a durable store. Option C is wrong because Azure SQL Database is relational and overkill. Option D is wrong because Azure Storage Queue is for messaging.
Identify which DP-900 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Yes — watch for: "minimum / minimize". Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 20, 2026
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