- A
Read-access geo-zone-redundant storage (RA-GZRS)
Why wrong: RA-GZRS also meets requirements but is more expensive; RA-GRS is the simpler correct answer.
- B
Locally redundant storage (LRS)
Why wrong: LRS does not replicate to another region.
- C
Read-access geo-redundant storage (RA-GRS)
RA-GRS allows asynchronous replication and read access to the secondary region.
- D
Geo-redundant storage (GRS)
Why wrong: GRS does not provide read access to the secondary region without failover.
Question 870 of 997
AZ-204 Develop for Azure storage Practice Question
This AZ-204 practice question tests your understanding of develop for azure storage. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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 disaster recovery plan for a storage account containing critical data. The storage account is in the West US region. You need to ensure that if West US becomes unavailable, read access to the data is still possible with minimal latency. The data must be replicated asynchronously. Which replication strategy should you 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
✓
Read-access geo-redundant storage (RA-GRS)
RA-GRS (Read-access geo-redundant storage) is the correct choice because it provides asynchronous replication to a secondary region (paired region) and enables read access to the secondary endpoint even if the primary region fails. This meets the requirement for minimal latency read access during a West US outage, as RA-GRS allows reading from the secondary region while data is asynchronously replicated.
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.
- ✗
Read-access geo-zone-redundant storage (RA-GZRS)
Why it's wrong here
RA-GZRS also meets requirements but is more expensive; RA-GRS is the simpler correct answer.
- ✗
Locally redundant storage (LRS)
Why it's wrong here
LRS does not replicate to another region.
- ✓
Read-access geo-redundant storage (RA-GRS)
Why this is correct
RA-GRS allows asynchronous replication and read access to the secondary region.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Geo-redundant storage (GRS)
Why it's wrong here
GRS does not provide read access to the secondary region without failover.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse GRS with RA-GRS, overlooking that GRS does not provide read access to the secondary region until a failover is initiated, which fails the 'read access with minimal latency' requirement.
Detailed technical explanation
How to think about this question
RA-GRS leverages Azure's paired regions (e.g., West US paired with East US) to asynchronously replicate blobs, files, queues, and tables. The secondary endpoint (e.g., `*.secondary.blob.core.windows.net`) is always available for reads, but data may not be fully consistent due to asynchronous replication's recovery point objective (RPO) of typically 15 minutes. This design is ideal for scenarios where continuous read availability is critical, even if writes are temporarily disabled during a primary outage.
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
Got this wrong? Here's your next step.
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
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Develop for Azure storage practice questions
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FAQ
Questions learners often ask
What does this AZ-204 question test?
Develop for Azure storage — This question tests Develop for Azure storage — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Read-access geo-redundant storage (RA-GRS) — RA-GRS (Read-access geo-redundant storage) is the correct choice because it provides asynchronous replication to a secondary region (paired region) and enables read access to the secondary endpoint even if the primary region fails. This meets the requirement for minimal latency read access during a West US outage, as RA-GRS allows reading from the secondary region while data is asynchronously replicated.
What should I do if I get this AZ-204 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 24, 2026
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