SPLK-1002 Advanced Searching and Statistics Practice Question
An analyst wants to calculate the average response time for each web server, but only for requests that returned status code 200. Which search accomplishes this?
⚠ Common exam trap
Splunk often tests the order of operations in Splunk searches, specifically that filtering (with `where` or search terms) must occur before aggregation (`stats`) to affect the computed values, and that `eval` cannot perform aggregate functions like `avg()`.
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
✓
index=web sourcetype=access status=200 | stats avg(response_time) by host
It first filters events with `status=200` (only successful requests), then uses `stats avg(response_time) by host` to compute the average response time per web server. This ensures the aggregation is performed only on the relevant subset of data, matching the requirement precisely.
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=web sourcetype=access status=200 | sort host | stats avg(response_time)
Why it's wrong here
`sort` is unnecessary and `stats` without `by` gives overall average.
- ✗
index=web sourcetype=access | eval avg_time=avg(response_time) by host | where status=200
Why it's wrong here
`eval` cannot perform aggregation.
- ✓
index=web sourcetype=access status=200 | stats avg(response_time) by host
Why this is correct
Correct order: filter, then stats.
- ✗
index=web sourcetype=access | stats avg(response_time) by host | search status=200
Why it's wrong here
Averages all requests, not just status=200.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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