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hardmultiple choiceObjective-mapped

The subscription activity log is being sent to a Log Analytics workspace. An alert must fire when any resource group is deleted, but delete operations initiated by the automation account rg-cleaner@contoso.com must be ignored. Which query should be used in the alert rule?

Question 1hardmultiple choice
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The subscription activity log is being sent to a Log Analytics workspace. An alert must fire when any resource group is deleted, but delete operations initiated by the automation account rg-cleaner@contoso.com must be ignored. Which query should be used in the alert rule?

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Answer choices

Why each option matters

Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.

A

Distractor review

AzureActivity | where ResourceProviderValue == "Microsoft.Resources" | where OperationName contains "delete"

This filter is too broad and may miss the exact resource group delete operation while matching unrelated deletes.

B

Best answer

AzureActivity | where OperationNameValue == "Microsoft.Resources/subscriptions/resourceGroups/delete" | where ActivityStatusValue == "Succeeded" | where Caller != "rg-cleaner@contoso.com" | summarize Count = count()

This query targets the exact delete operation for resource groups in AzureActivity, limits results to successful deletions, and excludes the automation account caller. A log alert can trigger when the result count is greater than zero. It is the most accurate choice because it filters by both operation identity and exception handling, which prevents false alerts from the known automation runbook.

C

Distractor review

Heartbeat | where Computer == "rg-cleaner@contoso.com" | where TimeGenerated > ago(1d)

Heartbeat tracks VM availability, not subscription activity log events or resource group deletions.

D

Distractor review

SecurityEvent | where EventID == 4688 | where Account == "rg-cleaner@contoso.com"

SecurityEvent is a Windows security log table and does not contain Azure subscription delete operations.

Common exam trap

Common exam trap: NAT rules depend on direction and matching traffic

NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.

Technical deep dive

How to think about this question

NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.

KKey Concepts to Remember

  • Static NAT maps one inside address to one outside address.
  • PAT allows many inside hosts to share one public address using ports.
  • Inside local and inside global describe the private and translated addresses.
  • NAT ACLs identify traffic for translation, not always security filtering.

TExam Day Tips

  • Identify inside and outside interfaces first.
  • Check whether the scenario needs static NAT, dynamic NAT or PAT.
  • Do not confuse NAT matching ACLs with normal packet-filtering intent.

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More questions from this exam

Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.

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Question 3

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Question 4

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Question 6

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FAQ

Questions learners often ask

What does this AZ-104 question test?

Static NAT maps one inside address to one outside address.

What is the correct answer to this question?

The correct answer is: AzureActivity | where OperationNameValue == "Microsoft.Resources/subscriptions/resourceGroups/delete" | where ActivityStatusValue == "Succeeded" | where Caller != "rg-cleaner@contoso.com" | summarize Count = count() — AzureActivity contains subscription-level operations such as resource group deletions. The correct query must match the exact delete operation, require success, and exclude the known automation account so the alert only fires for human-initiated deletions or other unexpected actors. Because the alert is log-based, the query can return a count and the rule can trigger when that count is greater than zero. That combination gives precise, low-noise detection. Why others are wrong: The first query is overly generic and can match unrelated delete events or miss the exact operation name. Heartbeat is for VM health monitoring, not activity log investigation. SecurityEvent is sourced from Windows machines, so it cannot detect Azure control-plane deletions in the subscription activity log.

What should I do if I get this AZ-104 question wrong?

Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.

Discussion

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