SPLK-1002 Transactions and Event Correlation Practice Question
A security team notices that using `transaction` on a large dataset of firewall logs causes memory issues. Which alternative approach would most efficiently correlate events while reducing resource consumption?
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
✓
Use `stats` by session_id list(src_ip), list(dest_ip) with `bin` time
Using `stats` with `list()` and `bin` time is more memory-efficient than `transaction` for correlating events by session_id. `transaction` creates a transaction object with all event details, consuming more memory, while `stats` aggregates fields without storing raw events. Options A (`concurrency`) is for analyzing concurrent events, not correlation; B (increasing limits) only postpones issues; C (`append`) is for combining results, not efficient correlation.
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 `concurrency` command to group events
Why it's wrong here
concurrency measures concurrent events, not correlation.
- ✗
Increase `maxtransize` and `maxopentxn` in limits.conf
Why it's wrong here
Tuning limits can help, but it's not most efficient; memory usage remains high.
- ✗
Use `append` with subsearch to join events
Why it's wrong here
append+subsearch is often less efficient than stats.
- ✓
Use `stats` by session_id list(src_ip), list(dest_ip) with `bin` time
Why this is correct
stats consumes less memory than transaction for grouping events.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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.