SPLK-1001 Basic Searching and Transforming Commands Practice Question
Exhibit
index=security sourcetype=linux_secure | regex _raw="Failed password for .* from (?<src_ip>\d+\.\d+\.\d+\.\d+)" | top 5 src_ip
Refer to the exhibit. The search returns no results. What is the most likely reason?
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
✓
The 'regex' command cannot extract fields; use 'rex' instead
The regex uses named capture groups, but Splunk's 'regex' command does not support creating fields with named capture groups. The 'rex' command should be used instead to extract fields.
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 sourcetype is incorrect
Why it's wrong here
It is correct.
- ✓
The 'regex' command cannot extract fields; use 'rex' instead
Why this is correct
Correct: regex filters events, rex extracts fields.
- ✗
The regex pattern is invalid
Why it's wrong here
The pattern is valid.
- ✗
The 'top' command requires a field to be extracted first
Why it's wrong here
That's the issue, but the root cause is regex not extracting.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This SPLK-1001 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-1001 exam.