The answer is that the eval command after timechart does not affect the timechart series, because timechart already split by the original status values. This is a classic example of how the timechart command order affecting series can trip up even experienced users: once timechart executes, it creates separate series based on the field values present at that moment, and any subsequent eval command that redefines that same field has no impact on the already-generated chart. On the Splunk Core Certified User SPLK-1002 exam, this tests your understanding of search-time field evaluation versus command execution order, and it often appears as a trap where candidates assume a later eval can retroactively rename or merge series. A reliable memory tip is “eval before timechart, not after”—if you need to transform a field used for splitting, always apply the eval prior to the timechart command to ensure the series reflect the new values.
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.
Exhibit
index=web sourcetype=access_combined
| timechart span=1h count by status
| eval status=if(status>=400, "error", "success")
| stats sum(count) as total by _time, status
| eval color=if(status="error", "red", "green")
| table _time, status, total, color
Refer to the exhibit. A user runs this search in Splunk to create a timechart of web server status codes. The resulting chart shows no data for the "error" status. What is the most likely cause?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
index=web sourcetype=access_combined
| timechart span=1h count by status
| eval status=if(status>=400, "error", "success")
| stats sum(count) as total by _time, status
| eval color=if(status="error", "red", "green")
| table _time, status, total, color
A
The 'status' field is not extracted from the sourcetype.
Why wrong: Access_combined sourcetype typically has status field extracted automatically.
B
The eval command after timechart does not affect the timechart series; the timechart already split by original status values.
Correct. The timechart creates series based on the status field at that point; later eval does not change the series.
C
The stats command after eval removes the status field.
Why wrong: The stats command groups by status, so status is retained.
D
The web server is not generating any errors.
Why wrong: Incorrect; errors may exist but the search logic hides them.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The eval command after timechart does not affect the timechart series; the timechart already split by original status values.
The search redefines the 'status' field after the timechart command, but timechart already uses the original status values to create separate series. The eval command overwrites the field, but the timechart series are already fixed. To fix, the eval should be placed before timechart.
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.
✗
The 'status' field is not extracted from the sourcetype.
Why it's wrong here
Access_combined sourcetype typically has status field extracted automatically.
✓
The eval command after timechart does not affect the timechart series; the timechart already split by original status values.
Why this is correct
Correct. The timechart creates series based on the status field at that point; later eval does not change the series.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
The stats command after eval removes the status field.
Why it's wrong here
The stats command groups by status, so status is retained.
✗
The web server is not generating any errors.
Why it's wrong here
Incorrect; errors may exist but the search logic hides them.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Trap categories for this question
Command / output trap
The stats command groups by status, so status is retained.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→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 SPLK-1002 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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: The eval command after timechart does not affect the timechart series; the timechart already split by original status values. — The search redefines the 'status' field after the timechart command, but timechart already uses the original status values to create separate series. The eval command overwrites the field, but the timechart series are already fixed. To fix, the eval should be placed before timechart.
What should I do if I get this SPLK-1002 question wrong?
Identify which SPLK-1002 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
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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