- A
LRS
Why wrong: LRS protects only within one location and does not include geographic replication.
- B
ZRS
Why wrong: ZRS protects against zone loss, but it does not replicate to another region.
- C
GRS
Why wrong: GRS replicates to a secondary region, but the secondary copy is not readable until failover.
- D
RA-GRS
RA-GRS adds read access to the secondary region, which meets the analyst requirement without a failover event.
Question 355 of 1,170
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.
A reporting team stores read-only analytics files in Azure Blob Storage. The files must replicate to a paired region so they survive a regional outage, and analysts want to read the secondary copy through the secondary endpoint without waiting for failover. Which redundancy option should the administrator choose?
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
✓
RA-GRS
RA-GRS (Read-Access Geo-Redundant Storage) is the correct choice because it replicates data to a paired secondary region (geo-redundancy) and enables read access to the secondary copy via the secondary endpoint without requiring a failover. This meets the requirement for both regional disaster recovery and immediate read access to the secondary copy.
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.
- ✗
LRS
Why it's wrong here
LRS protects only within one location and does not include geographic replication.
When this WOULD be correct
An administrator needs to store temporary, non-critical data that can be lost if a single rack fails, and cost is the primary concern. LRS is the cheapest option and sufficient for data that can be easily regenerated.
- ✗
ZRS
Why it's wrong here
ZRS protects against zone loss, but it does not replicate to another region.
- ✗
GRS
Why it's wrong here
GRS replicates to a secondary region, but the secondary copy is not readable until failover.
When this WOULD be correct
A company needs geo-redundant storage for disaster recovery but does not require immediate read access to the secondary region. They are willing to initiate a manual failover to access the secondary copy if the primary region fails.
- ✓
RA-GRS
Why this is correct
RA-GRS adds read access to the secondary region, which meets the analyst requirement without a failover event.
Related concept
Read the scenario before looking for a memorised answer.
Option-by-option analysis
Why each answer is right or wrong
Understanding why wrong answers are wrong — and when they would be correct — is what separates a 750 score from a 900. The AZ-104 exam frequently reuses these exact scenarios with slightly different constraints.
✓RA-GRSCorrect answer▾
Why this is correct
RA-GRS adds read access to the secondary region, which meets the analyst requirement without a failover event.
✗LRSWrong answer — click to see why▾
Why this is wrong here
LRS replicates data only within a single datacenter, not to a paired region, so it does not survive a regional outage or provide a secondary endpoint for read access.
★ When this WOULD be the correct answer
An administrator needs to store temporary, non-critical data that can be lost if a single rack fails, and cost is the primary concern. LRS is the cheapest option and sufficient for data that can be easily regenerated.
Why candidates choose this
Candidates may choose LRS because it is the simplest and lowest-cost option, overlooking the requirement for regional disaster recovery and secondary read access.
✗GRSWrong answer — click to see why▾
Why this is wrong here
GRS replicates data to a paired region for regional disaster recovery, but it does not provide read access to the secondary copy unless a failover occurs. The question requires analysts to read the secondary copy through the secondary endpoint without waiting for failover, which only RA-GRS supports.
★ When this WOULD be the correct answer
A company needs geo-redundant storage for disaster recovery but does not require immediate read access to the secondary region. They are willing to initiate a manual failover to access the secondary copy if the primary region fails.
Why candidates choose this
Candidates may confuse GRS with RA-GRS, assuming that geo-replication automatically allows reading from the secondary endpoint, or they may overlook the 'read-access' distinction in the question.
Analysis generated from the official AZ-104blueprint and verified against question context. The “when correct” sections are what AI assistants cite when candidates ask “what’s the difference between these options?”
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse GRS with RA-GRS, assuming that GRS automatically provides read access to the secondary copy, but in reality, GRS requires a failover to make the secondary endpoint readable, while RA-GRS explicitly enables read access without failover.
Detailed technical explanation
How to think about this question
RA-GRS provides both geo-redundancy and a separate read-only endpoint (e.g., `https://<storage-account>-secondary.blob.core.windows.net`) that is always available for reading data from the secondary region. Under the hood, Azure replicates data asynchronously to the paired region, and the secondary endpoint can be used for analytics workloads without waiting for a manual or automatic failover, making it ideal for read-heavy, disaster-recovery scenarios.
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.
Quick reference
Azure Blob Storage Tier Comparison
| Tier | Storage Cost | Retrieval Cost | Latency | Use Case |
|---|---|---|---|---|
| Hot | Highest | Lowest | Immediate | Active data, frequent reads |
| Cool | Lower | Higher | Immediate | Data accessed < once / month |
| Cold | Lower still | Higher | Immediate | Data accessed < once / quarter |
| Archive | Lowest | Highest + rehydration delay | Hours | Long-term compliance retention |
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: RA-GRS — RA-GRS (Read-Access Geo-Redundant Storage) is the correct choice because it replicates data to a paired secondary region (geo-redundancy) and enables read access to the secondary copy via the secondary endpoint without requiring a failover. This meets the requirement for both regional disaster recovery and immediate read access to the secondary copy.
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.
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 →
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Last reviewed: Jun 11, 2026
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