DP-900 Practice Question: Describe considerations for working with non-relational data on Azure
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.
A media company needs to store millions of high-resolution photos for a public website. Each photo can be up to 50 MB. The storage solution must support secure access via URLs. Which Azure service should they use?
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
Azure Blob Storage is the correct choice because it is designed for storing massive amounts of unstructured data, such as high-resolution photos, and supports objects up to 4.7 TB per blob, easily accommodating 50 MB files. It provides secure access via URLs using shared access signatures (SAS) or public access levels, making it ideal for a public website serving media content.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
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 Table Storage
Why it's wrong here
Table Storage is a NoSQL key-value store for structured data, not suitable for large binary files.
✓
Azure Blob Storage
Why this is correct
Blob Storage is optimized for storing large amounts of unstructured binary data and supports direct URL access.
Related concept
Read the scenario before looking for a memorised answer.
✗
Azure Files
Why it's wrong here
Azure Files provides SMB file shares, which is not efficient for serving millions of photos via URLs.
✗
Azure SQL Database
Why it's wrong here
SQL Database is a relational database not designed for storing and serving large binary objects directly.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Azure Files with Blob Storage because both can store files, but Azure Files uses SMB protocol for network file shares, not HTTP/HTTPS URL-based access for public web serving.
Detailed technical explanation
How to think about this question
Azure Blob Storage organizes data into containers, where each blob has a unique URL (e.g., https://<storageaccount>.blob.core.windows.net/<container>/<blob>). For public access, you can set the container's public access level to 'Blob' (anonymous read access for individual blobs) or use SAS tokens for time-limited, permission-restricted URLs. Under the hood, blobs are stored as block blobs (optimized for streaming) or page blobs (for random writes), with block blobs being the default for photos, supporting parallel uploads and efficient bandwidth usage.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this DP-900 question in full detail.
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..
What is the correct answer to this question?
The correct answer is: Azure Blob Storage — Azure Blob Storage is the correct choice because it is designed for storing massive amounts of unstructured data, such as high-resolution photos, and supports objects up to 4.7 TB per blob, easily accommodating 50 MB files. It provides secure access via URLs using shared access signatures (SAS) or public access levels, making it ideal for a public website serving media content.
What should I do if I get this DP-900 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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