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Quick Answer
The answer is Azure Data Lake Storage Gen2 (ADLS Gen2) as the foundational storage service, combined with blob versioning, lifecycle management policies, and POSIX-like ACLs. This solution is correct because ADLS Gen2 natively provides a hierarchical namespace for organizing data into directories and subdirectories, while its integration with Azure Blob Storage enables POSIX-compliant permissions through access control lists, meeting the exact requirements for large-scale analytics workloads. On the AZ-104 exam, this scenario tests your ability to distinguish ADLS Gen2 from standard Blob Storage, with a common trap being to select Azure Files instead—remember that ADLS Gen2 is the only service offering both a hierarchical namespace and POSIX permissions for analytics. Lifecycle management policies automate tiering to cooler storage after 30 days, and blob versioning preserves previous states for recovery, both of which are native Blob Storage features that work seamlessly with ADLS Gen2. Memory tip: think “H-P-L-V” for Hierarchical namespace, POSIX permissions, Lifecycle management, and Versioning.
AZ-104 Implement and Manage Storage Practice Question
This AZ-104 practice question tests your understanding of implement and manage 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 are designing a storage solution for a large-scale data analytics application that will run in Azure. The solution needs to support high-throughput writes, hierarchical namespace for organizing data, and the ability to assign POSIX-like permissions to directories and files. Additionally, the solution must support lifecycle management policies to tier data to cooler storage tiers after 30 days and enable blob-level versioning. Which four of the following features or services should you include in your design? (Choose all that apply. There are four correct answers.)
Answer choices
Why each option matters
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 Data Lake Storage Gen2 (ADLS Gen2) is the correct foundational service because it combines Azure Blob Storage with a hierarchical namespace, enabling POSIX-like access control lists (ACLs) for directories and files. This service is specifically designed for high-throughput analytics workloads, supporting both hierarchical namespace and blob-level operations. Lifecycle management policies and blob versioning are built-in Azure Blob Storage features that work seamlessly with ADLS Gen2 to automate data tiering and maintain data integrity.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Azure Files or Azure NetApp Files as suitable for analytics workloads with POSIX permissions, but these services lack the hierarchical namespace and blob-level lifecycle/versioning features that are native to ADLS Gen2 and Azure Blob Storage.
Detailed technical explanation
How to think about this question
ADLS Gen2 implements a hierarchical namespace by extending Azure Blob Storage with a file system abstraction, allowing directories and files to be managed with POSIX-compliant ACLs (e.g., read, write, execute for owner, group, and others). Lifecycle management policies in Azure Blob Storage can automatically transition blobs from hot to cool or archive tiers based on age, and blob versioning preserves every overwrite as a separate version, enabling point-in-time recovery. Under the hood, ADLS Gen2 uses a two-level namespace (account and container) but presents a unified file system view via REST APIs and SDKs.
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.
What to study next
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FAQ
Questions learners often ask
What does this AZ-104 question test?
Implement and Manage Storage — This question tests Implement and Manage Storage — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Azure Data Lake Storage Gen2 — Azure Data Lake Storage Gen2 (ADLS Gen2) is the correct foundational service because it combines Azure Blob Storage with a hierarchical namespace, enabling POSIX-like access control lists (ACLs) for directories and files. This service is specifically designed for high-throughput analytics workloads, supporting both hierarchical namespace and blob-level operations. Lifecycle management policies and blob versioning are built-in Azure Blob Storage features that work seamlessly with ADLS Gen2 to automate data tiering and maintain data integrity.
What should I do if I get this AZ-104 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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Last reviewed: Jun 11, 2026
This AZ-104 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-104 exam.
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