SPLK-1002 Advanced Visualization and Lookups Practice Question
An analyst observes that a lookup command with a large lookup file is causing the search to timeout. The lookup is used to extract additional fields based on a field value. What is the most effective immediate solution?
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
✓
Reduce the lookup file size by removing unused columns or rows.
Reducing the lookup file size (by removing unused columns or rows) directly reduces the amount of data processed, improving performance and preventing timeouts. Option A (WILDCARD match) can worsen performance due to pattern matching overhead. Option C (inputlookup) loads the entire table, which would be even slower and exacerbate the timeout. Option D (increasing search timeout) does not address the root cause of slow data processing.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Change the match_type to WILDCARD to be more flexible.
Why it's wrong here
WILDCARD matching is slower than EXACT; this would degrade performance.
- ✓
Reduce the lookup file size by removing unused columns or rows.
Why this is correct
Smaller files process faster, and removing unnecessary data reduces lookup time.
- ✗
Use the inputlookup command to load the entire table.
Why it's wrong here
inputlookup loads the entire file into memory, which may cause memory issues and worsen performance.
- ✗
Increase the search timeout in limits.conf.
Why it's wrong here
This only delays the timeout; it does not improve performance.
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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.