Quick Answer
The answer is Azure Blob Storage, as it is purpose-built for storing and retrieving large amounts of unstructured data like images, videos, and backups with industry-leading durability of 99.9999999999% (eleven nines) when using RA-GRS replication, and it supports global HTTP/HTTPS access with both public anonymous access and private controls via SAS tokens or RBAC. This scenario directly tests your understanding of Azure’s core storage services for the AZ-204 exam, where Blob Storage is the default choice for unstructured data, while Data Lake Storage Gen2 extends Blob Storage with a hierarchical namespace for analytics workloads. A common trap is choosing Azure Files or Disk Storage, which are for file shares or VM disks, not large-scale unstructured data. Remember the mnemonic “BLOB = Big, Loose, Object Blobs” to recall that Blob Storage handles massive, unstructured, and durable objects accessible from anywhere.
This AZ-204 practice question tests your understanding of develop for azure storage. 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 need to implement a solution for storing and retrieving large amounts of unstructured data (e.g., images, videos, backups) in Azure, with high durability and availability. The solution must allow access from anywhere via HTTP/HTTPS and support both public and private access. Which TWO Azure storage services should you consider?
Azure Table Storage
Why wrong: NoSQL key-value store, not for large unstructured data.
Azure Data Lake Storage Gen2
Built on Blob Storage, supports hierarchical namespace for large datasets.
Azure Queue Storage
Why wrong: Messaging service, not for data storage.
Azure Blob Storage
Designed for unstructured data with HTTP/HTTPS access.
Azure Files
Why wrong: File shares, not ideal for large-scale unstructured data.
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 Data Lake Storage Gen2
Azure Blob Storage is purpose-built for storing large amounts of unstructured data such as images, videos, and backups, offering high durability (99.9999999999% with RA-GRS) and availability. It supports access via HTTP/HTTPS from anywhere, and provides both public (anonymous) and private (SAS tokens, RBAC) access controls, making it the primary choice for this scenario.
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 Table Storage
Why it's wrong here
NoSQL key-value store, not for large unstructured data.
Azure Data Lake Storage Gen2
Why this is correct
Built on Blob Storage, supports hierarchical namespace for large datasets.
Related concept
Read the scenario before looking for a memorised answer.
Azure Queue Storage
Why it's wrong here
Messaging service, not for data storage.
Azure Blob Storage
Why this is correct
Designed for unstructured data with HTTP/HTTPS access.
Related concept
Read the scenario before looking for a memorised answer.
Azure Files
Why it's wrong here
File shares, not ideal for large-scale unstructured data.
Common exam traps
The trap here is that candidates may confuse Azure Data Lake Storage Gen2 as a separate service, but it is actually built on top of Blob Storage, so both B and D are correct because they represent the same underlying technology for unstructured data.
Detailed technical explanation
Azure Blob Storage organizes data into containers, each blob having a unique URL (e.g., https://<storageaccount>.blob.core.windows.net/<container>/<blob>). Access tiers (Hot, Cool, Archive) allow cost optimization based on access patterns, and the service supports features like blob leasing, snapshots, and soft delete for data protection. Data Lake Storage Gen2 extends Blob Storage with a hierarchical namespace and POSIX-like ACLs, enabling high-performance analytics workloads while retaining all blob capabilities.
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 exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Develop for Azure storage — study guide chapter
Learn the concepts, then practise the questions
Develop for Azure storage practice questions
Targeted practice on this topic area only
All AZ-204 questions
997 questions across all exam domains
Microsoft Azure Developer Associate AZ-204 study guide
Full concept coverage aligned to exam objectives
AZ-204 practice test guide
How to use practice tests most effectively before exam day
Related practice questions
Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.
Practise AZ-204 questions linked to Develop Azure compute solutions.
Practise AZ-204 questions linked to Develop for Azure storage.
Practise AZ-204 questions linked to Implement Azure security.
Practise AZ-204 questions linked to Connect to and consume Azure services and third-party services.
Practise AZ-204 questions linked to Monitor, troubleshoot, and optimize Azure solutions.
Practise AZ-204 questions linked to AZ-204 fundamentals.
Practise AZ-204 questions linked to AZ-204 scenario.
Practise AZ-204 questions linked to AZ-204 troubleshooting.
Practice this exam
Short sessions build daily habit. Longer sessions build exam-day stamina. Try a timed session to simulate real conditions.
FAQ
Develop for Azure storage — This question tests Develop for Azure storage — Read the scenario before looking for a memorised answer..
The correct answer is: Azure Data Lake Storage Gen2 — Azure Blob Storage is purpose-built for storing large amounts of unstructured data such as images, videos, and backups, offering high durability (99.9999999999% with RA-GRS) and availability. It supports access via HTTP/HTTPS from anywhere, and provides both public (anonymous) and private (SAS tokens, RBAC) access controls, making it the primary choice for this scenario.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Keep practising
Last reviewed: Jun 24, 2026
This AZ-204 practice question is part of Courseiva's free Microsoft certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the AZ-204 exam.
Question Discussion
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
Sign in to join the discussion.