AZ-104 Implement and Manage Storage Practice Question
This AZ-104 practice question tests your understanding of implement and manage storage. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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 backup archive must survive a regional outage, and engineers need to read the secondary copy if the primary region is unavailable. Which two redundancy options meet both requirements? Select two.
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "primary"
Why it matters: Asks for the main purpose or function, not a secondary benefit. Eliminate answers that describe side-effects or partial functions.
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 correct because it provides geo-redundant replication (GRS) that replicates data to a secondary region, ensuring survival of a regional outage, and additionally enables read access to the secondary copy even when the primary region is unavailable. This meets both requirements: disaster recovery and read availability during primary region failure.
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
Incorrect. LRS keeps multiple copies only inside one datacenter, so it does not protect against regional outages.
✗
ZRS
Why it's wrong here
Incorrect. ZRS improves zone resiliency within one region, but it does not provide a readable secondary region.
✗
GRS
Why it's wrong here
Incorrect. GRS copies data to a secondary region, but the secondary endpoint is not readable until failover.
✓
RA-GRS
Why this is correct
Correct. RA-GRS replicates data to a secondary region and allows read access from that secondary endpoint.
Clue confirmation
The clue word "primary" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✓
RA-GZRS
Why this is correct
Correct. RA-GZRS combines zone redundancy with geo-replication and exposes a readable secondary endpoint.
Clue confirmation
The clue word "primary" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
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 geo-redundant replication automatically provides read access to the secondary copy, but GRS requires a failover to enable reads, while RA-GRS allows reads at any time.
Detailed technical explanation
How to think about this question
RA-GRS uses asynchronous replication to copy data to a paired secondary region, with a Recovery Point Objective (RPO) of typically 15 minutes. The read-access feature is enabled by default on the secondary endpoint (e.g., *.secondary.blob.core.windows.net), allowing clients to read data even if the primary region is offline. This contrasts with GRS, where the secondary endpoint is not accessible for reads until a customer-initiated failover occurs.
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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this AZ-104 question in full detail.
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 correct because it provides geo-redundant replication (GRS) that replicates data to a secondary region, ensuring survival of a regional outage, and additionally enables read access to the secondary copy even when the primary region is unavailable. This meets both requirements: disaster recovery and read availability during primary region failure.
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.
Are there clue words in this question I should notice?
Yes — watch for: "primary". Asks for the main purpose or function, not a secondary benefit. Eliminate answers that describe side-effects or partial functions.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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