AZ-900 Describe Azure architecture and services Practice Question
This AZ-900 practice question tests your understanding of describe azure architecture and services. 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 company needs to store large amounts of unstructured data, such as images and videos, for a web application. They need to access data from anywhere via HTTP/HTTPS. Which Azure storage 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
✓
A) Azure Blob Storage
Azure Blob Storage is designed for storing large amounts of unstructured data, such as images and videos, and provides REST-based access over HTTP/HTTPS from anywhere. It supports scalable object storage with global accessibility, making it ideal for web application content 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.
✓
A) Azure Blob Storage
Why this is correct
Blob Storage is designed for unstructured data like images, videos, and documents, accessible via HTTP/HTTPS.
Related concept
Read the scenario before looking for a memorised answer.
✗
B) Azure File Storage
Why it's wrong here
File Storage provides network file shares using SMB, not primarily for HTTP access.
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C) Azure Queue Storage
Why it's wrong here
Queue Storage is for messaging between application components, not for storing large files.
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D) Azure Table Storage
Why it's wrong here
Table Storage is a NoSQL datastore for structured data, not suitable for large binary files.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may confuse Azure File Storage (which also supports HTTP/HTTPS via REST API) with Blob Storage, but File Storage is primarily for SMB-based file shares, not optimized for large-scale unstructured data like images and videos.
Detailed technical explanation
How to think about this question
Azure Blob Storage organizes data into containers, with each blob supporting up to 4.75 TB (or 4.77 TB with block blob append). It offers three access tiers (Hot, Cool, Archive) to optimize cost based on access patterns, and integrates with Azure CDN for global content delivery. Under the hood, blobs are accessed via the Blob REST API using HTTPS endpoints like `https://<storageaccount>.blob.core.windows.net/<container>/<blob>`.
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 AZ-900 question in full detail.
Describe Azure architecture and services — This question tests Describe Azure architecture and services — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: A) Azure Blob Storage — Azure Blob Storage is designed for storing large amounts of unstructured data, such as images and videos, and provides REST-based access over HTTP/HTTPS from anywhere. It supports scalable object storage with global accessibility, making it ideal for web application content delivery.
What should I do if I get this AZ-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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