The answer is index=main sourcetype=error_log | timechart count span=1h, because the timechart command is built specifically for creating a time series chart with timechart aggregations, automatically placing _time on the x-axis and the count of events on the y-axis. The span=1h argument explicitly sets one-hour buckets, which matches the analyst’s requirement to show errors per hour over the last 24 hours. On the Splunk SPLK-1003 exam, this question tests your ability to distinguish timechart from other transforming commands like chart or stats, which do not automatically produce a time-based x-axis. A common trap is forgetting the span argument, which would default to a bucket size based on the time range, potentially giving uneven intervals. Memory tip: think of timechart as “time + chart” — if your x-axis needs to be time, always reach for timechart, and always specify span to control bucket size.
SPLK-1003 Advanced Searching and Statistics Practice Question
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.
An analyst wants to create a time series chart showing the count of errors per hour over the last 24 hours. The errors are logged with sourcetype=error_log. Which search achieves this?
Option D is correct because `timechart count span=1h` automatically creates a time series chart with one-hour buckets over the last 24 hours, grouping events by `_time` and counting them per bucket. The `timechart` command is specifically designed for time-based aggregation and produces a chart with `_time` on the x-axis, which is exactly what the analyst needs.
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.
✗
index=main sourcetype=error_log | chart count over _time by hour
Why it's wrong here
Invalid timechart syntax.
✗
index=main sourcetype=error_log | bin _time span=1h | stats count by _time
Why it's wrong here
This works but does not create a time chart easily; timechart is preferred.
✗
index=main sourcetype=error_log | chart count by _time
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse `chart` with `timechart`, thinking `chart count by _time` will produce a time series, but `chart` treats `_time` as a categorical field rather than a continuous time axis, leading to incorrect visualizations.
Detailed technical explanation
How to think about this question
The `timechart` command in Splunk uses a fixed `span` to create time-based buckets and automatically sets `_time` as the x-axis, making it ideal for time series visualizations. Under the hood, `timechart` applies a `bin` operation on `_time` and then performs a `stats` aggregation, but it also generates the chart metadata required for the visualization. In real-world scenarios, using `timechart` with `span=1h` ensures consistent bucket boundaries, avoiding gaps or misaligned data points that can occur with manual `bin` and `stats` combinations.
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.
TExam Day Tips
→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 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
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Advanced Searching and Statistics — This question tests Advanced Searching and Statistics — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: index=main sourcetype=error_log | timechart count span=1h — Option D is correct because `timechart count span=1h` automatically creates a time series chart with one-hour buckets over the last 24 hours, grouping events by `_time` and counting them per bucket. The `timechart` command is specifically designed for time-based aggregation and produces a chart with `_time` on the x-axis, which is exactly what the analyst needs.
What should I do if I get this SPLK-1003 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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