- A
Create the storage account with zone-redundant storage (ZRS).
ZRS keeps copies across multiple availability zones in the region, so one zone outage will not interrupt access.
- B
Create a private endpoint in AppSubnet for the storage account.
A private endpoint places a private IP for the storage service into the VNet, which satisfies private-only access.
- C
Disable public network access on the storage account.
Turning off public network access prevents use of the public endpoint and forces clients to use private connectivity.
- D
Use locally redundant storage (LRS) because it stays inside one datacenter.
Why wrong: LRS protects only within a single datacenter, so it does not meet the requirement to survive a zone outage.
- E
Enable a service endpoint on AppSubnet instead of using a private endpoint.
Why wrong: A service endpoint does not create a private IP, so it does not satisfy the private-only connectivity requirement.
Quick Answer
The answer is to disable public network access on the storage account, configure a private endpoint for Blob Storage, and set the storage account to Zone-Redundant Storage (ZRS). Disabling public access ensures the storage account is reachable only via private IP from your subnet, while the private endpoint assigns a private IP from that subnet, creating a secure connection through Azure’s backbone. ZRS replicates data across three availability zones in the same region, guaranteeing data survival if one zone fails. On the AZ-104 exam, this scenario tests your ability to combine networking and redundancy settings—a common trap is confusing ZRS with locally redundant storage (LRS), which does not survive a zone outage. Remember the mnemonic “PEP-ZRS” for Private Endpoint, Public access off, and Zone-redundant storage to lock in the three required actions.
AZ-104 Implement and Manage Storage Practice Question
This AZ-104 practice question tests your understanding of implement and manage storage. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. A key principle to apply: zone-Redundant Storage (ZRS) replicates data across three Azure availability zones.. 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 finance application stores monthly invoice PDFs in Azure Blob Storage. The data must survive a single availability zone outage in the region, and the storage account must be reachable only through a private IP from AppSubnet. Public network access must not be available. Which three actions should the administrator take? Select three.
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
Create the storage account with zone-redundant storage (ZRS).
Option A is correct because Zone-Redundant Storage (ZRS) synchronously replicates data across three Azure availability zones within the same region, ensuring data durability even if one entire zone fails. This meets the requirement to survive a single availability zone outage.
Key principle: Zone-Redundant Storage (ZRS) replicates data across three Azure availability zones.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Create the storage account with zone-redundant storage (ZRS).
Why this is correct
ZRS keeps copies across multiple availability zones in the region, so one zone outage will not interrupt access.
Related concept
Zone-Redundant Storage (ZRS) replicates data across three Azure availability zones.
- ✓
Create a private endpoint in AppSubnet for the storage account.
Why this is correct
A private endpoint places a private IP for the storage service into the VNet, which satisfies private-only access.
Related concept
Zone-Redundant Storage (ZRS) replicates data across three Azure availability zones.
- ✓
Disable public network access on the storage account.
Why this is correct
Turning off public network access prevents use of the public endpoint and forces clients to use private connectivity.
Related concept
Zone-Redundant Storage (ZRS) replicates data across three Azure availability zones.
- ✗
Use locally redundant storage (LRS) because it stays inside one datacenter.
Why it's wrong here
LRS protects only within a single datacenter, so it does not meet the requirement to survive a zone outage.
- ✗
Enable a service endpoint on AppSubnet instead of using a private endpoint.
Why it's wrong here
A service endpoint does not create a private IP, so it does not satisfy the private-only connectivity requirement.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse service endpoints with private endpoints, thinking a service endpoint alone provides private IP-only access, but it does not disable the public endpoint and still relies on the storage account's public DNS name.
Detailed technical explanation
How to think about this question
Azure Private Endpoint uses a network interface with a private IP from the virtual network, routing traffic over the Microsoft backbone via Private Link, which completely bypasses the public internet. ZRS uses synchronous replication across three zones with a Recovery Point Objective (RPO) of zero and a Recovery Time Objective (RTO) typically within minutes, making it suitable for critical financial data that must survive zone failures.
KKey Concepts to Remember
- Zone-Redundant Storage (ZRS) replicates data across three Azure availability zones.
- ZRS ensures data availability during a single availability zone outage.
- Private Endpoints provide a private IP address for Azure services within a VNet.
- Disabling public network access restricts access to only private endpoints.
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
Zone-Redundant Storage (ZRS) replicates data across three Azure availability zones.
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
Got this wrong? Here's your next step.
Review zone-Redundant Storage (ZRS) replicates data across three Azure availability zones., then practise related AZ-104 questions on the same topic to reinforce the concept.
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Implement and Manage Storage — study guide chapter
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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 — Zone-Redundant Storage (ZRS) replicates data across three Azure availability zones..
What is the correct answer to this question?
The correct answer is: Create the storage account with zone-redundant storage (ZRS). — Option A is correct because Zone-Redundant Storage (ZRS) synchronously replicates data across three Azure availability zones within the same region, ensuring data durability even if one entire zone fails. This meets the requirement to survive a single availability zone outage.
What should I do if I get this AZ-104 question wrong?
Review zone-Redundant Storage (ZRS) replicates data across three Azure availability zones., then practise related AZ-104 questions on the same topic to reinforce the concept.
What is the key concept behind this question?
Zone-Redundant Storage (ZRS) replicates data across three Azure availability zones.
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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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