SPLK-1001 Classic CSV-based lookup Practice Question
A user wants to create a lookup table to enrich events with customer information. Which file format is NOT supported for a classic CSV-based lookup?
⚠ Common exam trap
Splunk often tests the distinction between file formats that are 'text-based delimited' (CSV, TSV) versus 'binary or structured' (XLSX, JSON) to see if candidates confuse classic CSV-based lookups with other lookup types that support JSON or Excel via KV store or scripted lookups. In this question, both XLSX and JSON are unsupported, so candidates must recognize that there are two correct answers.
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
✓
XLSX
Classic CSV-based lookups in Splunk only support delimited text files such as CSV (comma-separated) and TSV (tab-separated). XLSX is a binary Excel format that is not supported for classic CSV-based lookups; it requires a different lookup type (e.g., a KV store lookup or a scripted lookup) or must be converted to CSV first. JSON is also not supported for classic CSV-based lookups; it requires a KV store lookup or a scripted lookup. Therefore, both B (XLSX) and D (JSON) are NOT supported formats.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
TSV
Why it's wrong here
TSV is a delimited text format and is supported for classic CSV-based lookups.
- ✓
XLSX
Why this is correct
XLSX is a binary Excel format and is not supported for classic CSV-based lookups; it requires conversion or a different lookup type.
- ✗
CSV
Why it's wrong here
CSV is the standard delimited text format and is fully supported for classic CSV-based lookups.
- ✓
JSON
Why this is correct
JSON is a structured data format and is not supported for classic CSV-based lookups; it requires a KV store lookup or a scripted lookup.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This SPLK-1001 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-1001 exam.