SPLK-1002 Advanced Searching and Statistics Practice Question
Exhibit
Refer to the exhibit. ``` index=main | timechart span=1h count by host limit=5 | eval total=count_1+count_2+count_3+count_4+count_5 ```
Refer to the exhibit. The search results show a large number of hosts, but the `limit=5` only shows the top 5. The eval statement fails with an error. Why?
⚠ Common exam trap
Splunk often tests the misconception that `timechart` with a `limit` option creates generic field names like `count_1`, `count_2`, etc., when in reality it uses the actual values from the split-by field as field names.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The field names created by timechart are based on the host names, not `count_1`, etc.
The `timechart` command in Splunk dynamically creates field names based on the values of the split-by field (in this case, `host`). When you use `timechart count by host limit=5`, the resulting fields are named after the actual host names (e.g., `host1`, `host2`), not generic names like `count_1`. The subsequent `eval` statement fails because it references `count_1`, which does not exist as a field in the results.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The timechart span should be smaller to avoid too many fields.
Why it's wrong here
Span does not affect field naming.
- ✗
Eval cannot be used after timechart.
Why it's wrong here
eval can be used after timechart; the error is due to wrong field names.
- ✗
The eval statement must use aggregation functions.
Why it's wrong here
eval is for arithmetic, not aggregation.
- ✓
The field names created by timechart are based on the host names, not `count_1`, etc.
Why this is correct
timechart with limit=5 creates fields like `hostname: count`, not generic count_1.
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Written by Johnson Ajibi, MSc IT Security
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