The correct answer is that the 'take 10' operator limits the results to the first 10 rows after sorting by time. In KQL, the take operator returns a specified number of rows from the query result set, but it does not perform random sampling—it simply grabs the first N rows based on the current sort order. In this Azure Monitor Logs query, the data is first sorted by TimeGenerated ascending, so take 10 returns the ten oldest log entries, making it ideal for viewing the earliest events. On the Microsoft Azure Solutions Architect Expert AZ-305 exam, this tests your understanding of KQL query flow and operator precedence, often appearing in performance monitoring scenarios where you need to quickly inspect initial log entries. A common trap is confusing take with the sample operator, which returns random rows, or assuming take applies a time filter. Memory tip: think of take as "top N after sorting"—it always respects the order you specify, so always check the sort direction before using take.
AZ-305 Design infrastructure solutions Practice Question
This AZ-305 practice question tests your understanding of design infrastructure solutions. 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.
Exhibit
{
"query": "AzureMetrics | where ResourceId contains '/virtualMachines' | where MetricName == 'Percentage CPU' | summarize AvgCPU = avg(Average) by bin(TimeGenerated, 1h), Resource | order by TimeGenerated asc | take 10"
}
Refer to the exhibit. You are analyzing Azure VM performance using Azure Monitor Logs. You run the KQL query shown. What is the purpose of the 'take 10' operator?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Limits the results to the first 10 rows after sorting by time.
The 'take' operator returns a specified number of rows. Here, it limits the output to 10 rows after sorting by TimeGenerated ascending. Option A is correct. Option B is incorrect because 'take' does not sample; it returns the first N rows. Option C is incorrect because the query returns rows after aggregation. Option D is incorrect because 'take' is not specific to time windows.
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.
✓
Limits the results to the first 10 rows after sorting by time.
Why this is correct
'take' returns the specified number of rows from the result set.
Related concept
Read the scenario before looking for a memorised answer.
✗
Limits the time range to the last 10 hours.
Why it's wrong here
The query already includes a time bin of 1 hour.
✗
Filters the results to only include the top 10 CPUs.
Why it's wrong here
The query returns aggregated CPU averages, not raw data.
✗
Samples the data to reduce query cost.
Why it's wrong here
'take' is not a sampling operator; it returns exact rows.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→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 startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this AZ-305 question in full detail.
Identify which AZ-305 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Design infrastructure solutions — This question tests Design infrastructure solutions — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Limits the results to the first 10 rows after sorting by time. — The 'take' operator returns a specified number of rows. Here, it limits the output to 10 rows after sorting by TimeGenerated ascending. Option A is correct. Option B is incorrect because 'take' does not sample; it returns the first N rows. Option C is incorrect because the query returns rows after aggregation. Option D is incorrect because 'take' is not specific to time windows.
What should I do if I get this AZ-305 question wrong?
Identify which AZ-305 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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