The answer is storing images and videos for a website, along with backup files and archival data. Azure Blob Storage is designed for massive amounts of unstructured data—meaning data without a fixed schema, like binary files, text logs, or media assets. It excels at serving static content directly over HTTP/HTTPS, with native CDN integration for fast global delivery, making it ideal for website images and videos. On the Microsoft Azure Data Fundamentals DP-900 exam, this question tests your understanding of Blob Storage’s core purpose: handling unstructured data across hot, cool, and cold access tiers optimized for cost-effective long-term retention. A common trap is confusing Blob Storage with relational database services like Azure SQL Database, which are meant for structured, transactional data. Remember the memory tip: “Blob for binary, blob for backup, blob for big media”—if it’s a file without a relational table structure, Blob Storage is the right fit.
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.
Which TWO scenarios are appropriate for using Azure Blob Storage? (Choose two.)
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Storing backup files and archival data.
Azure Blob Storage is designed for storing large amounts of unstructured data, such as binary files and text. Backup files and archival data are ideal use cases because Blob Storage supports hot, cool, and cold access tiers optimized for long-term retention and cost-effective storage. Additionally, storing images and videos for a website leverages Blob Storage's ability to serve static assets directly via HTTP/HTTPS, with built-in CDN integration for fast global delivery.
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.
✗
Storing key-value pairs with partition and row keys.
Why it's wrong here
Key-value is for Table Storage or Cosmos DB.
✗
Running SQL queries on structured data.
Why it's wrong here
SQL queries are for relational databases.
✗
Storing JavaScript functions for server-side logic.
Why it's wrong here
Server-side JavaScript is for Cosmos DB stored procedures.
✓
Storing backup files and archival data.
Why this is correct
Blob Storage is commonly used for backups and archives.
Related concept
Read the scenario before looking for a memorised answer.
✓
Storing images and videos for a website.
Why this is correct
Blob Storage is designed for unstructured data like images and videos.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse Azure Blob Storage with other Azure services that handle structured data (like Table Storage or SQL Database) or compute (like Azure Functions), leading them to select options that describe those services instead of focusing on unstructured data storage scenarios.
Detailed technical explanation
How to think about this question
Azure Blob Storage organizes data into containers, which hold blobs (objects) that can be up to 4.77 TiB each (or up to 190.7 TiB with Azure Data Lake Storage Gen2). It supports three access tiers (hot, cool, archive) with different latency and cost profiles; the archive tier offers the lowest storage cost but requires rehydration (which can take hours) before reading. For serving images and videos, Blob Storage can be combined with Azure CDN to cache content at edge locations, reducing latency and origin load.
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 startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.
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: Storing backup files and archival data. — Azure Blob Storage is designed for storing large amounts of unstructured data, such as binary files and text. Backup files and archival data are ideal use cases because Blob Storage supports hot, cool, and cold access tiers optimized for long-term retention and cost-effective storage. Additionally, storing images and videos for a website leverages Blob Storage's ability to serve static assets directly via HTTP/HTTPS, with built-in CDN integration for fast global delivery.
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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