This SPLK-1002 practice question tests your understanding of using fields and lookups. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Which THREE of the following are true about lookups in Splunk? (Choose three.)
A lookup can be defined using a CSV file
CSV is a common lookup source.
Lookups are case-insensitive by default
Why wrong: They are case-sensitive.
Lookups can only return a single field
Why wrong: They can return multiple fields.
Lookups can be used to add fields from external sources
Lookups enrich events with external data.
Lookups support time-based matching
Time-based lookups match based on time ranges.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
A lookup can be defined using a CSV file
Option A is correct because Splunk allows you to define a lookup using a static CSV file stored in the lookups directory of an app. This CSV file acts as a lookup table that maps fields in your events to additional fields, enabling field enrichment without modifying the original data.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
A lookup can be defined using a CSV file
Why this is correct
CSV is a common lookup source.
Related concept
Read the scenario before looking for a memorised answer.
Lookups are case-insensitive by default
Why it's wrong here
They are case-sensitive.
Lookups can only return a single field
Why it's wrong here
They can return multiple fields.
Lookups can be used to add fields from external sources
Why this is correct
Lookups enrich events with external data.
Related concept
Read the scenario before looking for a memorised answer.
Lookups support time-based matching
Why this is correct
Time-based lookups match based on time ranges.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
The trap here is that candidates often assume lookups are case-insensitive by default, but Splunk actually treats them as case-sensitive unless explicitly configured otherwise, and they may also mistakenly think lookups can only return one field, overlooking the ability to return multiple columns from the lookup table.
Detailed technical explanation
Under the hood, Splunk lookups perform a left outer join between the event data and the lookup table based on matching field(s). For CSV-based lookups, the file is loaded into memory and indexed by the match fields for fast retrieval. In real-world scenarios, time-based lookups (Option E) use the 'max_offset' and 'min_offset' parameters to match events against a lookup table that has time ranges, enabling enrichment with historical or future data, such as correlating IP addresses with dynamic threat intelligence feeds.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A practitioner preparing for the SPLK-1002 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
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FAQ
Using Fields and Lookups — This question tests Using Fields and Lookups — Read the scenario before looking for a memorised answer..
The correct answer is: A lookup can be defined using a CSV file — Option A is correct because Splunk allows you to define a lookup using a static CSV file stored in the lookups directory of an app. This CSV file acts as a lookup table that maps fields in your events to additional fields, enabling field enrichment without modifying the original data.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 2026
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.
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