Quick Answer
The correct answer is matching based on prefixes or suffixes using wildcards. An automatic lookup configured with the WILDCARD match type allows Splunk to compare field values using wildcard characters like * or ?, enabling flexible pattern matching where only a portion of the string—either the beginning or the end—must match exactly. This is fundamentally different from exact or CIDR matching, as it supports partial string alignment, making it ideal for log data with variable prefixes or suffixes. On the Splunk Core Certified User SPLK-1002 exam, this concept tests your understanding of how lookups can be tuned for real-world data where values are not always identical; a common trap is confusing WILDCARD with exact match, so remember that wildcard matching sacrifices precision for flexibility. A helpful memory tip: think of WILDCARD as “wildly flexible”—it lets you match the start or end of a string while ignoring the rest, just like a joker in a card game.
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.
[automatic_lookup] filename = dept_table.csv match_type = WILDCARD(employee_id)
Refer to the exhibit. An automatic lookup is configured with WILDCARD match type. What kind of matching does this enable?
[automatic_lookup] filename = dept_table.csv match_type = WILDCARD(employee_id)
Matching based on prefixes or suffixes using wildcards.
WILDCARD enables pattern matching.
Exact match only.
Why wrong: wildcard allows partial.
Case-insensitive match.
Why wrong: Separate setting.
Matching only on the first N characters.
Why wrong: wildcard is flexible.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Matching based on prefixes or suffixes using wildcards.
Option A is correct because an automatic lookup configured with WILDCARD match type enables matching based on prefixes or suffixes using wildcards. This allows the lookup to match field values that contain a wildcard character (e.g., * or ?) to represent variable parts of the string, enabling flexible pattern matching beyond exact equality.
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.
Matching based on prefixes or suffixes using wildcards.
Why this is correct
WILDCARD enables pattern matching.
Related concept
Read the scenario before looking for a memorised answer.
Exact match only.
Why it's wrong here
wildcard allows partial.
Case-insensitive match.
Why it's wrong here
Separate setting.
Matching only on the first N characters.
Why it's wrong here
wildcard is flexible.
Common exam traps
The trap here is that candidates often confuse WILDCARD match type with case-insensitive matching or assume it only supports prefix matching, when in fact it supports both prefix and suffix wildcards and is distinct from case sensitivity settings.
Detailed technical explanation
Under the hood, Splunk's WILDCARD match type uses the LIKE SQL operator semantics, where % matches any sequence of characters and _ matches a single character. This is implemented in the lookup table file or KV store by converting the lookup key into a pattern that is evaluated against the event field value. A real-world scenario is matching hostnames like web-*.example.com or user IDs like user_??? to group similar entries without requiring exact strings.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.
What to study next
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Using Fields and Lookups — study guide chapter
Learn the concepts, then practise the questions
Using Fields and Lookups practice questions
Targeted practice on this topic area only
All SPLK-1002 questions
510 questions across all exam domains
Splunk Core Certified User SPLK-1002 study guide
Full concept coverage aligned to exam objectives
SPLK-1002 practice test guide
How to use practice tests most effectively before exam day
Related practice questions
Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.
Practise SPLK-1002 questions linked to Splunk Basics and Interface Navigation.
Practise SPLK-1002 questions linked to Basic Searching and Transforming Commands.
Practise SPLK-1002 questions linked to Using Fields and Lookups.
Practise SPLK-1002 questions linked to Creating Reports, Dashboards and Visualizations.
Practise SPLK-1002 questions linked to Data Models and Best Practices.
Practise SPLK-1002 questions linked to SPLK-1002 fundamentals.
Practise SPLK-1002 questions linked to SPLK-1002 scenario.
Practise SPLK-1002 questions linked to SPLK-1002 troubleshooting.
Practice this exam
Short sessions build daily habit. Longer sessions build exam-day stamina. Try a timed session to simulate real conditions.
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: Matching based on prefixes or suffixes using wildcards. — Option A is correct because an automatic lookup configured with WILDCARD match type enables matching based on prefixes or suffixes using wildcards. This allows the lookup to match field values that contain a wildcard character (e.g., * or ?) to represent variable parts of the string, enabling flexible pattern matching beyond exact equality.
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.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Last reviewed: Jun 24, 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.
Question Discussion
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
Sign in to join the discussion.