Quick Answer
The answer is `index=main error | timechart count span=1h`. This search is correct because the `timechart` command automatically generates a time-series chart with a default count of events, and the `span=1h` argument explicitly sets the bucket size to one hour, grouping errors into hourly intervals over the last 24 hours. On the Splunk Core Certified Power User SPLK-1003 exam, this tests your understanding of how `timechart` handles time bucketing and the critical role of the `span` modifier—a common trap is forgetting to specify `span=1h`, which would leave the bucket size to Splunk’s default (often auto-adjusted based on the time range), producing incorrect hourly counts. Remember the memory tip: “Span sets the step; without it, timechart takes a guess.”
This SPLK-1003 practice question tests your understanding of advanced searching and statistics. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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.
A user wants to create a chart showing the count of errors per hour for the last 24 hours, with time bucketed hourly. Which search is correct?
index=main error | timechart count span=1h
Correctly uses timechart with span.
index=main error | bucket _time span=1h | stats count by _time
Why wrong: This produces a table, not a chart.
index=main error | chart count by _time span=1h
Why wrong: The 'chart' command does not handle time-based series like timechart.
index=main error | timechart count by _time span=1h
Why wrong: The 'by _time' clause is unnecessary and may cause errors.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
index=main error | timechart count span=1h
Option A is correct because the `timechart` command automatically creates a time-based chart with a default count aggregation. The `span=1h` argument explicitly sets the bucket size to one hour, which groups events into hourly intervals over the last 24 hours. This produces the exact output the user needs: a count of errors per hour.
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.
index=main error | timechart count span=1h
Why this is correct
Correctly uses timechart with span.
Related concept
Read the scenario before looking for a memorised answer.
index=main error | bucket _time span=1h | stats count by _time
Why it's wrong here
This produces a table, not a chart.
index=main error | chart count by _time span=1h
Why it's wrong here
The 'chart' command does not handle time-based series like timechart.
index=main error | timechart count by _time span=1h
Why it's wrong here
The 'by _time' clause is unnecessary and may cause errors.
Common exam traps
Splunk often tests the distinction between `timechart` and `chart` with `_time`, where candidates mistakenly think `chart count by _time span=1h` works like `timechart`, but `chart` does not support the `span` argument and treats `_time` as a categorical field.
Trap categories for this question
Command / output trap
The 'chart' command does not handle time-based series like timechart.
Detailed technical explanation
Under the hood, `timechart` uses the `_time` field as the implicit x-axis and applies a `span` to create fixed-width time buckets. It also automatically fills gaps with zero counts for empty buckets, which is critical for accurate time-series visualization. In contrast, `bucket` + `stats` does not fill gaps, and `chart` with `_time` as a by-field treats each timestamp as a discrete category, which can lead to a cluttered chart with many columns if timestamps are not perfectly aligned.
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-1003 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
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Advanced Searching and Statistics — study guide chapter
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FAQ
Advanced Searching and Statistics — This question tests Advanced Searching and Statistics — Read the scenario before looking for a memorised answer..
The correct answer is: index=main error | timechart count span=1h — Option A is correct because the `timechart` command automatically creates a time-based chart with a default count aggregation. The `span=1h` argument explicitly sets the bucket size to one hour, which groups events into hourly intervals over the last 24 hours. This produces the exact output the user needs: a count of errors per hour.
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-1003 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-1003 exam.
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