Question 1easymultiple choice
Full question →easymultiple choiceObjective-mapped
A company wants to store raw data from IoT devices, social media feeds, and transactional databases for analytics. They need a storage solution that supports a hierarchical namespace for organizing data into directories and allows fine-grained access control at the directory and file level. They also need to query the data using Azure Synapse Analytics in-place. Which Azure storage solution should they use?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
A
Distractor review
A
Azure Blob Storage with a flat namespace does not support hierarchical directory structures or ACLs at the filesystem level, making it less suitable for analytics workloads requiring organization.
B
Best answer
B
Azure Data Lake Storage Gen2 provides a hierarchical namespace, ACL-based permissions, and seamless integration with Azure Synapse Analytics for in-place querying.
C
Distractor review
C
Azure Files is designed for shared file access using SMB protocol, not for large-scale analytics queries.
D
Distractor review
D
Azure Disk Storage is block storage for VMs; it cannot be shared across multiple analytics engines and does not support hierarchical namespaces.
Common exam trap
Common exam trap: ACLs stop at the first match
ACLs are processed top to bottom. The first matching entry wins, and an implicit deny usually exists at the end.
Technical deep dive
How to think about this question
ACL questions test precision: source, destination, protocol, port and direction. A generally correct ACL can still fail if it is applied on the wrong interface or in the wrong direction.
KKey Concepts to Remember
- Standard ACLs match source addresses.
- Extended ACLs can match source, destination, protocol and ports.
- The first matching ACL entry is used.
- There is usually an implicit deny at the end.
TExam Day Tips
- Check inbound versus outbound direction.
- Read the ACL from top to bottom.
- Look for a broader permit or deny above the intended line.
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More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
A company is designing hub-and-spoke networking. Spoke VNets must use a central Azure Firewall for outbound internet traffic. Which two configurations are required?
Question 2
A company is designing private access to a PaaS database from workloads in a VNet. The database should not be reachable over its public endpoint. What should be recommended?
Question 3
A data platform must support analytical queries over petabytes of files in a data lake, while preserving hierarchical namespaces and fine-grained ACLs. Which storage service should you design around?
Question 4
A database workload has an RPO of 15 minutes and an RTO of 4 hours. Cost is more important than near-zero data loss. Which design is usually more appropriate than synchronous multi-region replication?
Question 5
A hub-and-spoke Azure network must centralize outbound inspection and still allow spokes to resolve private endpoint DNS names. Which two components are commonly required? (Choose 2.)
Question 6
A multinational company uses Microsoft Entra ID and several Azure subscriptions. Security administrators need to review privileged role assignments every month and require justification for continued access. Which design should be recommended?
FAQ
Questions learners often ask
What does this AZ-305 question test?
Standard ACLs match source addresses.
What is the correct answer to this question?
The correct answer is: B — Azure Data Lake Storage Gen2 (ADLS Gen2) is built on Azure Blob Storage and provides a hierarchical namespace, POSIX-like ACLs for granular access control, and integration with analytics engines like Azure Synapse. Azure Blob Storage without hierarchical namespace cannot organize data into directories. Azure Files is SMB-based and not designed for analytics workloads. Azure Disk Storage is block-level storage attached to VMs.
What should I do if I get this AZ-305 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
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