SPLK-1001 Basic Searching and Transforming Commands Practice Question
Which TWO of the following commands can be used to create a new field from existing fields?
⚠ Common exam trap
Splunk often tests the distinction between commands that *extract* or *compute* new fields (`rex`, `eval`) versus commands that only *filter* or *transform* existing fields (`table`, `fields`, `convert`), leading candidates to mistakenly select `convert` or `fields` because they assume any command that modifies output can create fields.
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
✓
rex
The `rex` command is correct because it uses regular expressions to extract new fields from existing field values. For example, `rex field=message "(?<newField>pattern)"` creates a new field named `newField` by matching a portion of the `message` field. This allows you to derive structured data from unstructured or semi-structured 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.
- ✓
rex
Why this is correct
Can extract and create new fields via regular expressions.
- ✓
eval
Why this is correct
Can create new fields using expressions.
- ✗
table
Why it's wrong here
Selects fields, does not create new ones.
- ✗
convert
Why it's wrong here
Converts field formats but does not create new fields.
- ✗
fields
Why it's wrong here
Includes or excludes fields, does not create new ones.
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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.