The answer is that the Azure SLA for a storage account guarantees the percentage of time the storage service is available to process read and write requests. This is a commitment to uptime, not to data durability or performance, meaning Microsoft promises that authenticated requests will be successfully handled for a defined monthly percentage, such as 99.9% for Standard tier storage accounts. On the AZ-900 exam, this concept tests your ability to distinguish between availability SLAs and other guarantees like durability or disaster recovery, often appearing in questions that list multiple service features. A common trap is confusing the SLA’s availability metric with data loss protection or financial credits for all outages, but the SLA specifically measures service responsiveness to read/write requests. Remember the memory tip: “SLA = Service Level Availability,” focusing on uptime for requests, not data safety.
AZ-900 Describe Azure management and governance Practice Question
This AZ-900 practice question tests your understanding of describe azure management and governance. 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.
What does the Azure SLA for a storage account guarantee?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The percentage of time the storage service is available for read/write requests
The Azure SLA for a storage account guarantees a specific percentage of uptime (e.g., 99.9% for Standard tier) during which the service is available to process read and write requests. This is a commitment to availability, not to data durability, performance, or financial compensation for all causes. The SLA defines the maximum allowed downtime per month and is measured against the service's ability to respond to authenticated requests.
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.
✗
That data will never be lost under any circumstances
Why it's wrong here
SLAs guarantee availability (uptime), not absolute data durability under all circumstances.
✓
The percentage of time the storage service is available for read/write requests
Why this is correct
Storage SLAs guarantee availability (99.9%-99.99%) for successful read and write request processing.
Related concept
Read the scenario before looking for a memorised answer.
✗
That data will be retrieved within 5 milliseconds
Why it's wrong here
SLAs define availability percentages, not specific latency guarantees for individual requests.
✗
That Microsoft will pay for all downtime regardless of the cause
Why it's wrong here
SLA credits are given when Microsoft fails to meet guaranteed uptime, not for all downtime including customer-caused issues.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse the SLA's availability guarantee with data durability or performance promises, leading them to select options about data loss prevention or latency guarantees instead of the correct focus on uptime percentage.
Detailed technical explanation
How to think about this question
The Azure Storage SLA is defined as the monthly uptime percentage calculated from the total minutes in a month minus the minutes of downtime, divided by the total minutes. Downtime is measured from the time the service stops responding to valid read/write requests until it resumes, with a minimum of 5 minutes of continuous unavailability to count as an incident. For example, a Standard general-purpose v2 storage account with locally redundant storage (LRS) has an SLA of 99.9% uptime, which allows for approximately 43 minutes of downtime per month before service credits apply.
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-900 question in full detail.
Describe Azure management and governance — This question tests Describe Azure management and governance — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The percentage of time the storage service is available for read/write requests — The Azure SLA for a storage account guarantees a specific percentage of uptime (e.g., 99.9% for Standard tier) during which the service is available to process read and write requests. This is a commitment to availability, not to data durability, performance, or financial compensation for all causes. The SLA defines the maximum allowed downtime per month and is measured against the service's ability to respond to authenticated requests.
What should I do if I get this AZ-900 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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Question Discussion
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