SPLK-1002 Macros, Saved Searches and CIM Practice Question
An organization is implementing the Splunk Common Information Model (CIM) to normalize data. They have a source that provides event data with field names `src_ip` and `dst_ip`. To map these to CIM fields, which knowledge object should be created?
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
✓
A field alias to create `src` from `src_ip` and `dest` from `dst_ip`
Field aliases allow mapping source-specific field names (src_ip, dst_ip) to CIM-standard field names (src, dest) without modifying raw data. Option A (tags) are for categorization, not field mapping. Option B (field extraction) extracts new fields but cannot rename existing ones. Option D (calculated fields) compute new fields from expressions, but simple renaming is better handled by aliases.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
A tag to tag events with `src_ip` and `dst_ip` as network traffic
Why it's wrong here
Incorrect: Tags are for categorization, not field mapping.
- ✗
A field extraction to rename `src_ip` to `src` and `dst_ip` to `dest`
Why it's wrong here
Incorrect: Field extractions are for pulling fields from raw data, not renaming.
- ✓
A field alias to create `src` from `src_ip` and `dest` from `dst_ip`
Why this is correct
Correct: Field aliases are designed for this purpose.
- ✗
A calculated field to set `src=src_ip` and `dest=dst_ip`
Why it's wrong here
A calculated field is incorrect because it creates a *new* field based on an expression, rather than aliasing an existing field. For CIM normalisation, the goal is to map `src_ip` and `dst_ip` to `src` and `dest` respectively, which is achieved by field aliases. Calculated fields are suitable when a field's value needs to be derived from other fields, such as calculating `total_price` from `quantity` and `unit_price`, or concatenating `first_name` and `last_name` into `full_name`.
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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.