- A
A metric alert on the deleted resource group's CPU
Why wrong: CPU metrics cannot detect a deletion event, and the resource would no longer exist after deletion.
- B
A log alert on a custom KQL query in a workspace only
Why wrong: A log alert can work if the activity data is already in a workspace, but the question asks for the native alert type for this subscription event.
- C
An activity log alert targeting the delete resource group operation
An activity log alert is the right tool for subscription-level events such as resource group deletion. It monitors the Azure Activity log directly, so it can react as soon as the delete operation is recorded. This avoids depending on resource-specific metrics or a separate workspace query pipeline for a basic administrative event.
- D
A backup alert from a Recovery Services vault
Why wrong: Backup alerts relate to backup jobs and vault operations, not to management-plane actions like deleting a resource group.
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.
The subscription admin wants to receive an alert whenever anyone deletes a resource group, regardless of which resource type was inside it. Which alert type should be used?
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
An activity log alert targeting the delete resource group operation
Option C is correct because the 'Delete Resource Group' operation is an Azure Resource Manager control-plane action that is automatically logged in the Azure Activity Log. An activity log alert can be configured to fire whenever this specific operation is recorded, regardless of the resource types inside the group. This is the only alert type that directly monitors management-plane events like resource group deletion.
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.
- ✗
A metric alert on the deleted resource group's CPU
Why it's wrong here
CPU metrics cannot detect a deletion event, and the resource would no longer exist after deletion.
- ✗
A log alert on a custom KQL query in a workspace only
Why it's wrong here
A log alert can work if the activity data is already in a workspace, but the question asks for the native alert type for this subscription event.
When this WOULD be correct
This option would be correct if the question asked for an alert based on a specific condition derived from log data, such as 'alert when a certain error event is logged from a specific resource' or 'alert when a custom metric exceeds a threshold based on log analytics data'.
- ✓
An activity log alert targeting the delete resource group operation
Why this is correct
An activity log alert is the right tool for subscription-level events such as resource group deletion. It monitors the Azure Activity log directly, so it can react as soon as the delete operation is recorded. This avoids depending on resource-specific metrics or a separate workspace query pipeline for a basic administrative event.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
A backup alert from a Recovery Services vault
Why it's wrong here
Backup alerts relate to backup jobs and vault operations, not to management-plane actions like deleting a resource group.
When this WOULD be correct
A question asking for an alert when a backup job fails for a VM protected by Azure Backup, with the alert type being a backup alert from a Recovery Services vault.
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.
✓An activity log alert targeting the delete resource group operationCorrect answer▾
Why this is correct
An activity log alert is the right tool for subscription-level events such as resource group deletion. It monitors the Azure Activity log directly, so it can react as soon as the delete operation is recorded. This avoids depending on resource-specific metrics or a separate workspace query pipeline for a basic administrative event.
✗A metric alert on the deleted resource group's CPUWrong answer — click to see why▾
Why this is wrong here
A metric alert on CPU monitors performance metrics, not resource group deletion events. It cannot detect administrative operations like deletions.
★ When this WOULD be the correct answer
A metric alert on CPU would be correct if the question asked for a notification when a specific VM's CPU usage exceeds a threshold, e.g., 'Alert me when VM CPU > 90%'.
Why candidates choose this
Candidates may think any alert can be configured on a resource group, or confuse metric alerts (performance-based) with activity log alerts (operation-based).
✗A log alert on a custom KQL query in a workspace onlyWrong answer — click to see why▾
Why this is wrong here
A log alert on a custom KQL query in a workspace only monitors log data ingested into a Log Analytics workspace, not resource-level operations like resource group deletion. The question requires an alert on the delete action itself, which is captured by activity logs, not workspace logs.
★ When this WOULD be the correct answer
This option would be correct if the question asked for an alert based on a specific condition derived from log data, such as 'alert when a certain error event is logged from a specific resource' or 'alert when a custom metric exceeds a threshold based on log analytics data'.
Why candidates choose this
Candidates may confuse activity logs with log analytics workspace logs, or think that a custom KQL query can capture any event, not realizing that resource group deletion is an Azure Resource Manager operation logged in the activity log, not in workspace logs.
✗A backup alert from a Recovery Services vaultWrong answer — click to see why▾
Why this is wrong here
Backup alerts from a Recovery Services vault notify about backup failures or issues, not about resource group deletion events.
★ When this WOULD be the correct answer
A question asking for an alert when a backup job fails for a VM protected by Azure Backup, with the alert type being a backup alert from a Recovery Services vault.
Why candidates choose this
Candidates may confuse backup alerts with general operational alerts, thinking they cover all deletion scenarios, or they may not distinguish between activity log and backup alert types.
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 resource-level monitoring (metrics, logs) with control-plane monitoring (Activity Log), and assume a metric or log alert can detect a deletion event, when in fact only an activity log alert natively watches for Azure Resource Manager operations like resource group deletion.
Detailed technical explanation
How to think about this question
The Azure Activity Log records all control-plane operations (e.g., PUT, POST, DELETE) at the subscription level, and each operation has a unique 'operationName' value such as 'Microsoft.Resources/subscriptions/resourceGroups/delete'. Activity log alerts use Azure Monitor's built-in event-driven evaluation with a latency of typically 3–5 minutes, and they can be scoped to a subscription or resource group. A real-world scenario is auditing compliance: if a junior admin accidentally deletes a production resource group, an activity log alert can trigger an automated runbook to restore the group from a recent snapshot.
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 cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
Quick reference
Common DNS Record Types
| Record | Purpose | Example |
|---|---|---|
| A | IPv4 address mapping | example.com → 93.184.216.34 |
| AAAA | IPv6 address mapping | example.com → 2606:2800::1 |
| CNAME | Alias to another hostname | www → example.com |
| MX | Mail server for domain | example.com → mail.example.com (priority 10) |
| TXT | Text data (SPF, DKIM, verification) | v=spf1 include:_spf.example.com ~all |
| NS | Authoritative name servers | example.com NS ns1.example.com |
| PTR | Reverse DNS (IP → hostname) | 34.216.184.93.in-addr.arpa → example.com |
| SOA | Zone authority record | Primary NS, admin email, serial, TTL defaults |
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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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: An activity log alert targeting the delete resource group operation — Option C is correct because the 'Delete Resource Group' operation is an Azure Resource Manager control-plane action that is automatically logged in the Azure Activity Log. An activity log alert can be configured to fire whenever this specific operation is recorded, regardless of the resource types inside the group. This is the only alert type that directly monitors management-plane events like resource group deletion.
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
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Last reviewed: Jun 11, 2026
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