- A
LRS: Data is replicated three times within a single data center.
LRS (Locally Redundant Storage) replicates data three times within a single data center, providing low cost but limited durability.
- B
ZRS: Data is replicated synchronously across three Azure availability zones.
ZRS (Zone-Redundant Storage) protects against zone failures by replicating data across availability zones.
- C
GRS: Data is replicated to a paired secondary region asynchronously.
GRS (Geo-Redundant Storage) provides geo-replication to a paired secondary region for disaster recovery.
- D
RA-GRS: Data is replicated across availability zones and also to a secondary region with read access from secondary.
Why wrong: Incorrect — this describes RA-GZRS, which combines zone and geo-replication with read access. RA-GRS does not include zone replication.
- E
GZRS: Data is replicated across availability zones and also to a secondary region.
GZRS (Geo-Zone-Redundant Storage) combines zone and geo-replication for highest durability, but without read access to the secondary.
- F
RA-GZRS: Data is replicated to a secondary region and supports read access from that secondary.
Why wrong: Incorrect — this describes RA-GRS. RA-GZRS includes zone replication in addition to geo-replication and read access.
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.
Match each Azure Storage redundancy option to the best description.
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
LRS: Data is replicated three times within a single data center.
Each redundancy option provides increasing durability and availability: LRS is lowest cost, ZRS protects against zone failure, GRS adds geo-replication, RA-GRS allows read from secondary, GZRS combines zone and geo, RA-GZRS adds read access to secondary.
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: Data is replicated three times within a single data center.
Why this is correct
LRS (Locally Redundant Storage) replicates data three times within a single data center, providing low cost but limited durability.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
ZRS: Data is replicated synchronously across three Azure availability zones.
Why this is correct
ZRS (Zone-Redundant Storage) protects against zone failures by replicating data across availability zones.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
GRS: Data is replicated to a paired secondary region asynchronously.
Why this is correct
GRS (Geo-Redundant Storage) provides geo-replication to a paired secondary region for disaster recovery.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
RA-GRS: Data is replicated across availability zones and also to a secondary region with read access from secondary.
Why it's wrong here
Incorrect — this describes RA-GZRS, which combines zone and geo-replication with read access. RA-GRS does not include zone replication.
- ✓
GZRS: Data is replicated across availability zones and also to a secondary region.
Why this is correct
GZRS (Geo-Zone-Redundant Storage) combines zone and geo-replication for highest durability, but without read access to the secondary.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
RA-GZRS: Data is replicated to a secondary region and supports read access from that secondary.
Why it's wrong here
Incorrect — this describes RA-GRS. RA-GZRS includes zone replication in addition to geo-replication and read access.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
- Use explanations to understand the rule behind the answer.
TExam Day Tips
- Underline the problem statement mentally.
- 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 startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.
What to study next
Got this wrong? Here's your next step.
Identify which AZ-104 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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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: LRS: Data is replicated three times within a single data center. — Each redundancy option provides increasing durability and availability: LRS is lowest cost, ZRS protects against zone failure, GRS adds geo-replication, RA-GRS allows read from secondary, GZRS combines zone and geo, RA-GZRS adds read access to secondary.
What should I do if I get this AZ-104 question wrong?
Identify which AZ-104 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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: May 17, 2026
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