Quick Answer
The answer is to add | top 3 host before timechart. This modification works because the `top` command calculates the three hosts with the highest total event count across the entire search timeframe, then passes only those three hosts to the `timechart` command, which displays exactly three lines. Without this ordering, `timechart` would plot every host, creating a cluttered visualization. On the Splunk SPLK-1002 exam, this tests your understanding of command piping order and how `top` filters data before aggregation—a common trap is placing `top` after `timechart`, which would only show the top hosts per time bucket, not overall. A reliable memory tip: think “top before timechart” as “trim the data first, then chart the timeline.”
This SPLK-1002 practice question tests your understanding of creating reports, dashboards and visualizations. Examine the command output carefully: the correct answer depends on what the output actually shows, not on general recall alone. 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.
index=main sourcetype=access_combined status=503 | timechart count by host
Refer to the exhibit. A user runs this search and the resulting timechart shows multiple lines, one for each host. The user wants to show only the top 3 hosts by total count. Which modification achieves this?
index=main sourcetype=access_combined status=503 | timechart count by host
Add | top 3 host before timechart
This reduces data to top 3 hosts first.
Add | top 3 host after timechart
Why wrong: Timechart already created all series.
Add | where host in (select top 3) after timechart
Why wrong: Complex and not straightforward.
Add | head 3 after timechart
Why wrong: Head takes first 3 rows, not top hosts.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Add | top 3 host before timechart
Option A is correct because the `top 3 host` command, when placed before `timechart`, calculates the top 3 hosts by total count across the entire search timeframe, then passes only those three hosts to the `timechart` command. This ensures the timechart displays exactly three lines, one for each of the top hosts, based on their overall event count.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Add | top 3 host before timechart
Why this is correct
This reduces data to top 3 hosts first.
Related concept
Read the scenario before looking for a memorised answer.
Add | top 3 host after timechart
Why it's wrong here
Timechart already created all series.
Add | where host in (select top 3) after timechart
Why it's wrong here
Complex and not straightforward.
Add | head 3 after timechart
Why it's wrong here
Head takes first 3 rows, not top hosts.
Common exam traps
Splunk often tests the order of piped commands in Splunk, and the trap here is that candidates mistakenly think `top` or `head` can be applied after `timechart` to limit the number of lines, not realizing that `timechart` already creates a separate series for each distinct value of the split-by field, and post-commands like `head` only limit rows (time buckets), not series.
Detailed technical explanation
The `top` command in Splunk uses a statistical aggregation to sort field values by count and limit the results to the top N, leveraging the `count` field internally. When placed before `timechart`, it effectively pre-filters the events so that only the top hosts' data is passed to the time-series aggregation, which is more efficient than post-filtering because it reduces the data volume early in the pipeline. In real-world scenarios, this approach is critical for performance when dealing with high-cardinality fields like host, as it avoids generating unnecessary time buckets for low-count hosts.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A practitioner preparing for the SPLK-1002 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
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FAQ
Creating Reports, Dashboards and Visualizations — This question tests Creating Reports, Dashboards and Visualizations — Read the scenario before looking for a memorised answer..
The correct answer is: Add | top 3 host before timechart — Option A is correct because the `top 3 host` command, when placed before `timechart`, calculates the top 3 hosts by total count across the entire search timeframe, then passes only those three hosts to the `timechart` command. This ensures the timechart displays exactly three lines, one for each of the top hosts, based on their overall event count.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 30, 2026
This SPLK-1002 practice question is part of Courseiva's free Splunk certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the SPLK-1002 exam.
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