The answer is to use `transaction session_id maxspan=30m` to correctly separate events from reused session IDs. This works because the `maxspan` argument imposes a strict time window on the transaction command, ensuring that only events occurring within that 30-minute span are grouped together. Without it, a transaction command grouping solely by `session_id` will merge events from entirely different sessions if the same ID is reused days or weeks later, creating false, bloated transactions. On the Splunk SPLK-1003 exam, this question tests your understanding of transaction boundaries and common pitfalls with reused identifiers—a frequent trap is assuming `maxpause` alone will suffice, but `maxspan` is the definitive fix for widely separated ID reuse. Remember the memory tip: "Span stops the span of time, pause stops the pause between events."
SPLK-1003 Transactions and Event Correlation Practice Question
This SPLK-1003 practice question tests your understanding of transactions and event correlation. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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 transaction that groups events by field 'session_id' sometimes produces transactions that contain events from multiple distinct sessions due to session_id reuse over time. What is the best way to ensure transactions are correctly separated?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "best"
Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use 'transaction session_id maxspan=30m' to limit the time window.
Option A is correct. Adding a maxspan limits the time window, preventing events from reused session IDs that are widely separated in time from merging. Options B, C, and D do not address the reuse issue effectively.
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.
✗
Use 'transaction session_id maxevents=1' to stop after one event.
Why it's wrong here
Incorrect: Would break legitimate sessions.
✗
Use 'transaction session_id mvlist=_raw' to include raw data.
Why it's wrong here
Incorrect: Does not separate sessions.
✓
Use 'transaction session_id maxspan=30m' to limit the time window.
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Use 'transaction session_id startswith="new_session" endswith="end_session"'.
Why it's wrong here
Incorrect: Requires start/end events which may not exist.
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.
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-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 SPLK-1003 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.
Transactions and Event Correlation — This question tests Transactions and Event Correlation — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Use 'transaction session_id maxspan=30m' to limit the time window. — Option A is correct. Adding a maxspan limits the time window, preventing events from reused session IDs that are widely separated in time from merging. Options B, C, and D do not address the reuse issue effectively.
What should I do if I get this SPLK-1003 question wrong?
Identify which SPLK-1003 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: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. A network operations team monitors firewall logs using Splunk. They need to group events from the same TCP session, identified by 'src_ip', 'dst_ip', and 'src_port'. The logs contain events for 'session_start', 'data_transfer', and 'session_end' actions. They currently use `transaction src_ip dst_ip src_port startswith=action=session_start endswith=action=session_end`. However, many transactions are incomplete because some sessions do not have a 'session_end' event due to firewall timeouts. The team wants to include these incomplete sessions as well, but still group them around a start event. What should they modify?
medium
A.Add `maxspan=30m` and keep endswith
✓ B.Remove endswith and add maxspan=30m
C.Change startswith to `action=session_start OR action=session_end`
D.Use `transaction src_ip dst_ip src_port maxspan=30m` without startswith or endswith
Why B: To include incomplete sessions, use `transaction src_ip dst_ip src_port startswith=action=session_start maxspan=30m` without endswith. This will create a transaction starting with session_start and ending after maxspan or if another start event is encountered.
Last reviewed: Jun 24, 2026
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This SPLK-1003 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-1003 exam.
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