SPLK-1002 Macros, Saved Searches and CIM Practice Question
A data engineer has defined a CIM data model for 'Network_Traffic'. They have also created field aliases using `| fieldaliases` to map custom fields like `src_ip` and `dest_ip` to the CIM fields. When running searches against the data model, some events do not appear. The engineer verified that the tags are correctly applied. What is the most likely remaining issue?
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 field aliases must be defined within the data model itself, not via `| fieldaliases`.
Field aliases defined using the `| fieldaliases` command are applied at search time but are not recognized by data model acceleration. Data models use their own field definitions and aliases must be defined within the data model itself (via the data model editor) to be included in accelerated searches. Option B is incorrect because the time range would affect all events equally and does not explain why some events are missing specifically due to field mapping. Option C is incorrect because custom fields do not need to be indexed; they can be extracted at search time, but the issue is that the aliases are not applied within the data model. Option D is incorrect because tags are correctly applied as verified, so the problem is not tag application.
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 field aliases must be defined within the data model itself, not via `| fieldaliases`.
Why this is correct
Data model acceleration uses the data model's field definitions; `| fieldaliases` is a search-time command and does not impact accelerated data models.
- ✗
The data model search is using a time range that excludes the events.
Why it's wrong here
Time range would affect all events, not just those with missing fields.
- ✗
The custom fields are not indexed, so they cannot be used in data models.
Why it's wrong here
Data models can use extracted fields as long as they are available at search time.
- ✗
The tags are applied only to a subset of events.
Why it's wrong here
Tags determine which events are included in the data model; the engineer verified they are correct.
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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.