The answer is `stats mode(field) by group` and `eventstats mode(field) by group`. Both commands are correct because the `mode()` statistical function is explicitly designed to return the most frequent value per group, making it the direct and intended method for finding the mode of a field within each group. The `stats` command outputs a new summary table with one row per group, while `eventstats` appends the mode value to each original event without collapsing the results, giving you flexibility depending on whether you need a summarized or enriched view. On the Splunk SPLK-1003 exam, this question tests your understanding of statistical aggregation functions and the distinction between `stats` and `eventstats`, a common trap being that candidates might mistakenly reach for `top` or `freqtable`, which return counts rather than the single most frequent value. A solid memory tip: mode equals most often, so think “mode = most” and pair it with `by` to group your data.
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.
Which TWO of the following commands can be used to find the most frequent value of a field within each group?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
stats mode(field) by group
Option A is correct because `stats mode(field) by group` directly computes the most frequent value (mode) of the specified field for each group defined by the `by` clause. The `mode()` function is specifically designed to return the value that appears most often, making it the simplest and most accurate command for this task.
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.
✓
stats mode(field) by group
Why this is correct
stats mode returns the mode for each group.
Related concept
Read the scenario before looking for a memorised answer.
✗
stats list(field) by group | eval top = mvindex('list', 0)
Why it's wrong here
list returns values in order of appearance, not necessarily by frequency.
✗
streamstats mode(field) by group
Why it's wrong here
streamstats does not support the mode function.
✗
stats values(field) by group
Why it's wrong here
values returns all distinct values, not the most frequent.
✓
eventstats mode(field) by group
Why this is correct
eventstats mode computes the most frequent value per group and adds it as a field.
Related concept
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 `list()` or `values()` with `mode()`, or incorrectly think `streamstats` can replace `stats` for grouped final aggregation, when `streamstats` is designed for cumulative calculations across events, not per-group final results.
Detailed technical explanation
How to think about this question
The `mode()` function in Splunk's `stats` command uses a frequency count internally to identify the value with the highest occurrence count; if there are ties (multiple values with the same highest frequency), `mode()` returns the first one encountered in the data. This behavior is important in real-world scenarios like log analysis where you need the most common HTTP status code per server, and ties can occur if two status codes appear equally often.
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: stats mode(field) by group — Option A is correct because `stats mode(field) by group` directly computes the most frequent value (mode) of the specified field for each group defined by the `by` clause. The `mode()` function is specifically designed to return the value that appears most often, making it the simplest and most accurate command for this task.
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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