This SPLK-1002 practice question tests your understanding of using fields and lookups. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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.
A team has a lookup table 'app_errors.csv' that includes a field 'error_code'. They want to automatically join error descriptions from 'error_codes.csv' on 'error_code' every time they search a sourcetype. What is the best way to achieve this?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "best"
Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Set up an automatic lookup in props.conf for the sourcetype
Automatic lookups run on all events matching the sourcetype.
Use an eval statement with if() to assign description
Why wrong: eval cannot directly read from a CSV lookup.
Configure field aliases to rename 'error_code'
Why wrong: Aliases rename fields, not join tables.
Use the lookup command in every search
Why wrong: Requires manual addition; not automatic.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Set up an automatic lookup in props.conf for the sourcetype
Option A is correct because an automatic lookup in props.conf allows you to define a lookup that runs automatically on every search for a given sourcetype, without requiring manual invocation. This configuration joins the 'error_code' field from the search results with the 'error_codes.csv' lookup table, appending the description field to every event of that sourcetype. It is the most efficient and consistent method for automatically enriching data at search time.
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.
Set up an automatic lookup in props.conf for the sourcetype
Why this is correct
Automatic lookups run on all events matching the sourcetype.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Use an eval statement with if() to assign description
Why it's wrong here
eval cannot directly read from a CSV lookup.
Configure field aliases to rename 'error_code'
Why it's wrong here
Aliases rename fields, not join tables.
Use the lookup command in every search
Why it's wrong here
Requires manual addition; not automatic.
Common exam traps
Splunk often tests the distinction between automatic lookups (configured in props.conf) and manual lookups (using the lookup command), and the trap here is that candidates may choose the manual lookup command because they are familiar with it, overlooking the requirement for automation.
Detailed technical explanation
Automatic lookups in props.conf are defined with a stanza like [sourcetype:your_sourcetype] followed by LOOKUP = lookup_name lookup_table.csv error_code OUTPUT description. The lookup runs at search time, not index time, meaning it does not affect storage or indexing overhead. A subtle behavior is that the lookup file must be accessible on all search peers in a distributed environment, and if the lookup table is large, it can impact search performance; in such cases, consider using a KV store lookup instead.
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
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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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: Set up an automatic lookup in props.conf for the sourcetype — Option A is correct because an automatic lookup in props.conf allows you to define a lookup that runs automatically on every search for a given sourcetype, without requiring manual invocation. This configuration joins the 'error_code' field from the search results with the 'error_codes.csv' lookup table, appending the description field to every event of that sourcetype. It is the most efficient and consistent method for automatically enriching data at search time.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Yes — watch for: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 30, 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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