hardMultiple ChoiceObjective-mapped
SPLK-1001 Practice Question: A company has a data model for email logs that…
A company has a data model for email logs that includes a calculated field named 'sentiment_score' derived from a lookup. The data model is accelerated, but some reports using |tstats with 'sentiment_score' are returning incorrect values. What is the most likely reason?
⚠ Common exam trap
Watch out — candidates often assume |tstats always queries live data, but they forget that accelerated data models serve pre-computed summaries, so any dynamic component like a lookup must be re-evaluated by rebuilding the acceleration.
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 used in the calculated field has been updated after the acceleration summary was built, causing a mismatch.
When a data model is accelerated, it pre-computes and stores a summary of the data at the time of acceleration. If the lookup used in a calculated field (like 'sentiment_score') is updated after the acceleration summary is built, the |tstats command will query the stale summary, not the current lookup values. This mismatch causes incorrect results, as |tstats does not re-evaluate lookups against the live lookup table for accelerated data models.
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 data model constraint excludes the events that contain the lookup values.
Why it's wrong here
This would cause missing data, not incorrect values.
- ✗
The |tstats command does not support calculated fields in accelerated data models.
Why it's wrong here
tstats supports calculated fields when they are defined in the data model.
- ✗
The calculated field is defined incorrectly in the data model editor.
Why it's wrong here
If incorrectly defined, it would not work at all.
- ✓
The lookup used in the calculated field has been updated after the acceleration summary was built, causing a mismatch.
Why this is correct
Acceleration snapshots cache calculated values at build time; changes to lookups after rebuild cause stale data.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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