SPLK-1001 Using Fields and Lookups Practice Question
A lookup definition in transforms.conf includes the following settings: `filename = employees.csv`, `max_matches = 0`, `case_sensitive_match = false`. Which three statements about this lookup are true? (Choose three.)
⚠ Common exam trap
Many exam-takers confuse `max_matches = 0` with 'no matches' or 'first match only', when in fact it means 'unlimited matches', and they may also overlook that `case_sensitive_match = false` explicitly enables case-insensitive matching.
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
✓
The lookup matching is case-insensitive.
The `case_sensitive_match = false` setting in transforms.conf explicitly makes the lookup matching case-insensitive. This means that when the lookup is performed, the comparison between the event field value and the lookup key ignores differences in uppercase and lowercase characters.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The lookup will fail if there are duplicate keys.
Why it's wrong here
Duplicates allowed.
- ✗
The lookup will only return the first match for each event.
Why it's wrong here
Returns all.
- ✓
The lookup matching is case-insensitive.
Why this is correct
case_sensitive_match=false.
- ✓
The lookup can be used with the `| lookup` command.
Why this is correct
Standard usage.
- ✓
The lookup will return all matching rows for each input event.
Why this is correct
max_matches=0 means all.
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