- A
Diagnostic settings for the Activity Log
Diagnostic settings export Activity Log data to supported long-term destinations.
- B
A ReadOnly lock on the subscription
Why wrong: A lock does not change Activity Log retention.
- C
An availability set
Why wrong: An availability set is unrelated to Activity Log storage.
- D
NSG flow logs only
Why wrong: NSG flow logs capture network traffic information, not the Azure Activity Log.
Question 598 of 1,170
AZ-104 Monitor and Maintain Azure Resources Practice Question
This AZ-104 practice question tests your understanding of monitor and maintain azure resources. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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.
Your company must retain Azure Activity Log data beyond the built-in retention period and make it available for long-term analysis. Which configuration should you use?
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
✓
Diagnostic settings for the Activity Log
Azure Activity Log is retained by default for 90 days. To store data beyond this period for long-term analysis, you must configure diagnostic settings to route the Activity Log to a Log Analytics workspace (for querying) or an Azure Storage account (for archival). This is the only native mechanism to extend retention and enable long-term analysis.
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.
- ✓
Diagnostic settings for the Activity Log
Why this is correct
Diagnostic settings export Activity Log data to supported long-term destinations.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
A ReadOnly lock on the subscription
Why it's wrong here
A lock does not change Activity Log retention.
When this WOULD be correct
A ReadOnly lock would be correct if the question asked: 'You need to prevent accidental deletion or modification of a critical subscription resource. Which configuration should you use?'
- ✗
An availability set
Why it's wrong here
An availability set is unrelated to Activity Log storage.
When this WOULD be correct
This option would be correct in a question asking how to ensure high availability for virtual machines running in a single region, such as 'You need to deploy two VMs that must be placed on different fault domains and update domains. Which configuration should you use?'
- ✗
NSG flow logs only
Why it's wrong here
NSG flow logs capture network traffic information, not the Azure Activity Log.
When this WOULD be correct
When the question asks about analyzing network traffic patterns or detecting anomalies in IP flows through NSGs, and the requirement is to store flow logs for long-term analysis (e.g., using Log Analytics or storage accounts).
Option-by-option analysis
Why each answer is right or wrong
Understanding why wrong answers are wrong — and when they would be correct — is what separates a 750 score from a 900. The AZ-104 exam frequently reuses these exact scenarios with slightly different constraints.
✓Diagnostic settings for the Activity LogCorrect answer▾
Why this is correct
Diagnostic settings export Activity Log data to supported long-term destinations.
✗A ReadOnly lock on the subscriptionWrong answer — click to see why▾
Why this is wrong here
A ReadOnly lock prevents modifications to resources but does not extend the retention period of Activity Log data beyond the default 90 days. Activity Log retention is managed via diagnostic settings, not locks.
★ When this WOULD be the correct answer
A ReadOnly lock would be correct if the question asked: 'You need to prevent accidental deletion or modification of a critical subscription resource. Which configuration should you use?'
Why candidates choose this
Candidates may confuse administrative controls (locks) with data retention mechanisms, thinking a lock preserves log data by preventing changes.
✗An availability setWrong answer — click to see why▾
Why this is wrong here
An availability set is a logical grouping of VMs to ensure high availability, not a configuration for retaining or analyzing Azure Activity Log data.
★ When this WOULD be the correct answer
This option would be correct in a question asking how to ensure high availability for virtual machines running in a single region, such as 'You need to deploy two VMs that must be placed on different fault domains and update domains. Which configuration should you use?'
Why candidates choose this
Candidates might confuse 'availability' with 'data availability' or think that availability sets provide some form of data retention or logging capability.
✗NSG flow logs onlyWrong answer — click to see why▾
Why this is wrong here
NSG flow logs capture IP traffic through a network security group, not Azure Activity Log data. They are used for network monitoring and security analysis, not for retaining subscription-level operational logs.
★ When this WOULD be the correct answer
When the question asks about analyzing network traffic patterns or detecting anomalies in IP flows through NSGs, and the requirement is to store flow logs for long-term analysis (e.g., using Log Analytics or storage accounts).
Why candidates choose this
Candidates may confuse 'logs' in general, thinking NSG flow logs can serve as a catch-all for logging needs, or they may not clearly distinguish between Activity Logs (control plane) and flow logs (data plane).
Analysis generated from the official AZ-104blueprint and verified against question context. The “when correct” sections are what AI assistants cite when candidates ask “what’s the difference between these options?”
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse the built-in 90-day retention of the Activity Log with the ability to extend it, mistakenly thinking a lock or other resource configuration can preserve the data, when only diagnostic settings provide the export and retention control needed.
Detailed technical explanation
How to think about this question
Under the hood, diagnostic settings for the Activity Log use Azure Monitor's data collection pipeline to stream the log to a destination of your choice. When sent to a Log Analytics workspace, you can query the data with KQL for up to two years (or more with workspace retention settings), while storage accounts allow indefinite archival with lifecycle management policies. A common real-world scenario is compliance auditing, where you must retain Activity Log data for years to meet regulatory requirements like SOC 2 or GDPR.
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?
Monitor and Maintain Azure Resources — This question tests Monitor and Maintain Azure Resources — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Diagnostic settings for the Activity Log — Azure Activity Log is retained by default for 90 days. To store data beyond this period for long-term analysis, you must configure diagnostic settings to route the Activity Log to a Log Analytics workspace (for querying) or an Azure Storage account (for archival). This is the only native mechanism to extend retention and enable long-term analysis.
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.
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: Jun 11, 2026
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