- A
LRS, because it keeps multiple copies in one datacenter and does not replicate to another region.
LRS stays in one region and does not create a secondary-region copy.
- B
ZRS, because it keeps copies across zones in one region and also avoids geo-replication.
ZRS provides zone-level resilience while remaining within a single region.
- C
GRS, because it replicates to a secondary region and therefore matches the requirement.
Why wrong: GRS adds geo-replication, which is more than this requirement asks for.
- D
RA-GRS, because it adds read access to the secondary region and still remains single-region only.
Why wrong: RA-GRS also uses geo-replication, so it does not stay within only the primary region.
- E
RA-GZRS, because it combines zone redundancy with readable geo-replication to another region.
Why wrong: RA-GZRS includes secondary-region replication, which the scenario does not need.
Quick Answer
The answer is Locally Redundant Storage (LRS) and Zone-Redundant Storage (ZRS). Both options provide Azure storage redundancy within the primary region only, meaning data is replicated without any replication to a secondary region. LRS copies your data three times within a single datacenter, protecting against local hardware failures like disk or server crashes, while ZRS replicates data synchronously across three Azure availability zones within the same region, guarding against an entire datacenter outage. On the AZ-104 exam, this distinction tests your understanding that “redundancy within a single region” excludes geo-redundant options like GRS or GZRS, which always involve a secondary region. A common trap is assuming LRS is the only single-region choice, but ZRS also qualifies because its zones are all inside one region. Remember the mnemonic: “LRS stays in one building, ZRS stays in one region but spreads across zones.”
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 development team wants redundancy within the primary region but does not need replication to a secondary region. Which two Azure storage redundancy options meet this requirement? 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 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, because it keeps multiple copies in one datacenter and does not replicate to another region.
A is correct because Locally Redundant Storage (LRS) replicates data three times within a single datacenter in the primary region, providing redundancy against local hardware failures without any replication to a secondary region. This meets the requirement of intra-region redundancy only.
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, because it keeps multiple copies in one datacenter and does not replicate to another region.
Why this is correct
LRS stays in one region and does not create a secondary-region copy.
Clue confirmation
The clue word "primary" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
ZRS, because it keeps copies across zones in one region and also avoids geo-replication.
Why this is correct
ZRS provides zone-level resilience while remaining within a single region.
Clue confirmation
The clue word "primary" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
GRS, because it replicates to a secondary region and therefore matches the requirement.
Why it's wrong here
GRS adds geo-replication, which is more than this requirement asks for.
- ✗
RA-GRS, because it adds read access to the secondary region and still remains single-region only.
Why it's wrong here
RA-GRS also uses geo-replication, so it does not stay within only the primary region.
- ✗
RA-GZRS, because it combines zone redundancy with readable geo-replication to another region.
Why it's wrong here
RA-GZRS includes secondary-region replication, which the scenario does not need.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse 'redundancy within the primary region' with any option that includes 'redundant' in its name, leading them to select GRS or RA-GRS which actually replicate to a secondary region.
Trap categories for this question
Scenario analysis trap
RA-GZRS includes secondary-region replication, which the scenario does not need.
Detailed technical explanation
How to think about this question
Under the hood, LRS uses three synchronous replicas within the same storage scale unit, protecting against drive and rack failures but not against datacenter-level disasters. ZRS spreads replicas across three availability zones in the same region, offering higher durability (99.9999999999% vs. 99.999999999% for LRS) while still avoiding geo-replication. In real-world scenarios, ZRS is preferred for applications needing resilience to zone failures without the cost or complexity of geo-redundancy.
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.
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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, because it keeps multiple copies in one datacenter and does not replicate to another region. — A is correct because Locally Redundant Storage (LRS) replicates data three times within a single datacenter in the primary region, providing redundancy against local hardware failures without any replication to a secondary region. This meets the requirement of intra-region redundancy only.
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.
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 →
Same concept, more angles
1 more ways this is tested on AZ-104
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. A reporting team wants a storage redundancy option that keeps a readable copy in the paired region. Which two choices provide read access to the secondary region? Select two.
easy- ✓ A.Read-access geo-redundant storage (RA-GRS).
- ✓ B.Read-access geo-zone-redundant storage (RA-GZRS).
- C.Locally redundant storage (LRS).
- D.Zone-redundant storage (ZRS).
- E.Geo-redundant storage (GRS).
Why A: Read-access geo-redundant storage (RA-GRS) is correct because it provides geo-redundant storage (GRS) with the additional capability to read from the secondary region. This ensures that if the primary region becomes unavailable, the reporting team can still access a readable copy of the data in the paired region. RA-GRS replicates data asynchronously to a secondary region and allows read access to that secondary copy at all times.
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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