- A
Search index=main | eval user=lower(user) | stats dc(user)
Why wrong: eval is unnecessary if you don't need lowercase; stats dc is case-sensitive but acceptable.
- B
Search index=main | fields user | dedup user | stats count
Why wrong: dedup requires bringing all user fields into memory; more resource-intensive.
- C
Search index=main | stats dc(user) as unique_users
stats dc(user) efficiently counts unique users without returning all events.
- D
Search index=main | table user | stats dc(user)
Why wrong: table user still returns all events; better to use stats directly.
Question 40 of 520
SPLK-1002 Practice Question: Creating Reports, Dashboards and Visualizations
This SPLK-1002 practice question tests your understanding of creating reports, dashboards and visualizations. 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 power user creates a dashboard with a panel that uses a search returning 10,000 events. The dashboard should display a single value representing the count of unique users. Which search approach is most efficient?
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
✓
Search index=main | stats dc(user) as unique_users
Option C is the most efficient because it uses the `stats dc(user)` command directly, which calculates the distinct count of the `user` field in a single pass over the data. This avoids unnecessary data movement or intermediate processing, making it optimal for a dashboard panel that needs to display a single value from 10,000 events.
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.
- ✗
Search index=main | eval user=lower(user) | stats dc(user)
Why it's wrong here
eval is unnecessary if you don't need lowercase; stats dc is case-sensitive but acceptable.
- ✗
Search index=main | fields user | dedup user | stats count
Why it's wrong here
dedup requires bringing all user fields into memory; more resource-intensive.
- ✓
Search index=main | stats dc(user) as unique_users
Why this is correct
stats dc(user) efficiently counts unique users without returning all events.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Search index=main | table user | stats dc(user)
Why it's wrong here
table user still returns all events; better to use stats directly.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Some candidates mistakenly think that `dedup` followed by `stats count` is equivalent to `stats dc()`, but the trap here is that `dedup` is less efficient and not designed for distinct counting at scale, while `stats dc()` is the purpose-built, optimized command.
Detailed technical explanation
How to think about this question
The `stats dc()` command uses a hyperloglog algorithm under the hood to estimate distinct counts with minimal memory, making it highly scalable even for millions of events. In Splunk, `stats` operates on a streaming basis when possible, whereas `dedup` requires sorting the entire result set, which can be memory-intensive and slow for large datasets. For a dashboard panel that refreshes frequently, minimizing resource usage is critical to avoid impacting other users or search head performance.
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-1002 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.
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Creating Reports, Dashboards and Visualizations — study guide chapter
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FAQ
Questions learners often ask
What does this SPLK-1002 question test?
Creating Reports, Dashboards and Visualizations — This question tests Creating Reports, Dashboards and Visualizations — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Search index=main | stats dc(user) as unique_users — Option C is the most efficient because it uses the `stats dc(user)` command directly, which calculates the distinct count of the `user` field in a single pass over the data. This avoids unnecessary data movement or intermediate processing, making it optimal for a dashboard panel that needs to display a single value from 10,000 events.
What should I do if I get this SPLK-1002 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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Last reviewed: Jul 4, 2026
This SPLK-1002 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-1002 exam.
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