Microsoft AZ-400 Exam Questions
Designing and Implementing Microsoft DevOps Solutions (Page 10 )

Updated On: 16-Mar-2026

DRAG DROP (Drag and Drop is not supported)

You have a web app named App1 that uses Application Insights in Azure Monitor.

You need to compare the hourly CPU usage of App1 from the last 24 hours. The solution must include a graph that has a threshold line at 75 percent.

How should you complete the query? To answer, drag the appropriate values to the correct targets. Each value may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.

Note: Each correct selection is worth one point.

Select and Place:

  1. See Explanation section for answer.

Answer(s): A

Explanation:




Box 1: bin(TimeGenerated, 1h)
We need to compare the hourly CPU usage, not the daily usage.

Box 2: extend

Incorrect:
* render

The next command would be render, but cannot be used in conjunction with threshold.


Reference:

https://learn.microsoft.com/en-us/azure/azure-monitor/logs/get-started-queries



DRAG DROP (Drag and Drop is not supported)

You have an app named App1. You have a Log Analytics workspace named Workspace1 that contains a table named AppEvents. App1 writes logs to Workspace1.

You need to query the AppEvents table. The solution must meet the following requirements:

Only query rows for a column named Name that starts with the following text: "Clicked Create New Ticket."

Calculate the number of daily clicks per user.

Return the top 10 users based on their number of clicks for any day.

Sort the results based on the highest number of clicks.

Ignore any users who have less than three daily clicks.

In which order should you arrange the query statements? To answer, move all statements from the list of statements to the answer area and arrange them in the correct order.

Select and Place:

  1. See Explanation section for answer.

Answer(s): A

Explanation:




Step 1: AppEvents
AppEvents first

Step 2: | where Name startswith "Clicked Create New Ticket"
Followed by the where statements

Step 3: | where NumberOfClicks >= 3

Step 4: | summarize ...
After the where statements use the summarize statement.

Step 5: | top 10 by NumberofClicks desc
The top 10 statement with sorting to finish the query.
Kusto example:
Usage
| where TimeGenerated > ago(32d)
| where StartTime >= startofday(ago(31d)) and EndTime < startofday(now())

| where IsBillable == true
| summarize BillableDataGB = sum(Quantity) / 1000 by Solution, DataType | sort by Solution asc, DataType asc


Reference:

https://learn.microsoft.com/en-us/azure/azure-monitor/logs/analyze-usage



View Related Case Study

HOTSPOT (Drag and Drop is not supported)

You need to configure the alert for VM1. The solution must meet the technical requirements.

Which two settings should you configure? To answer, select the appropriate settings in the answer area.

Note: Each correct selection is worth one point.

Hot Area:

  1. See Explanation section for answer.

Answer(s): A

Explanation:




Setting 1: Threshold value
Set to 80 %

Scenario: An Azure Monitor alert for VM1 must be configured to meet the following requirements:
Be triggered when average CPU usage exceeds 80 percent for 15 minutes.

Calculate CPU usage averages once every minute.

Setting 2: Aggregation granularity
Set to 15 minutes.



You have a build pipeline in Azure Pipelines that occasionally fails.

You discover that a test measuring the response time of an API endpoint causes the failures.

You need to prevent the build pipeline from failing due to the test.

Which two actions should you perform? Each correct answer presents part of the solution.

Note: Each correct selection is worth one point.

  1. Set Flaky test detection to Off.
  2. Clear Flaky tests included in test pass percentage.
  3. Enable Test Impact Analysis (TIA).
  4. Manually mark the test as flaky.
  5. Enable test slicing.

Answer(s): B,D

Explanation:

D: You can mark or unmark a test as flaky based on analysis or context, by choosing Flaky.
To configure flaky test management, choose Project settings, and select Test management in the Pipelines section.
B:
Slide the On/Off button to On.


Reference:

https://docs.microsoft.com/en-us/azure/devops/pipelines/test/flaky-test-management



Your company uses the following resources:

Windows Server 2022 container images hosted in an Azure Container Registry.

Azure virtual machines that run the latest version of Ubuntu

An Azure Log Analytics workspace

Microsoft Entra ID

An Azure key vault

For which two resources can you receive vulnerability assessments in Microsoft Defender for Cloud? Each correct answer presents part of the solution.

Note: Each correct selection is worth one point.

  1. the Azure Log Analytics workspace
  2. the Azure key vault
  3. the Azure virtual machines that run the latest version of Ubuntu
  4. Microsoft Entra ID
  5. The Windows Server 2022 container images hosted in the Azure Container Registry.

Answer(s): C,E



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