This SNOW-CSA practice question tests your understanding of database administration and cmdb. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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.
Which THREE of the following are valid options when configuring an Identification and Reconciliation (IRE) rule? (Select exactly 3)
Reconcile only
Reconcile only is a valid action that updates existing CIs without creating new ones.
Create only
Create only creates new CIs but does not update existing ones.
Fuzzy match
Why wrong: Fuzzy match is not an IRE option; IRE uses exact or pattern-based matching.
Exact match
Exact match is a valid identification rule type.
Update only
Why wrong: Update only is not a separate IRE action; updates are part of reconcile.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Reconcile only
Option A is correct because the 'Reconcile only' option in an IRE rule instructs the IRE engine to only reconcile existing CI records against incoming data, without creating new CIs. This is used when you want to ensure existing CIs are updated or validated but no new records should be created from the data source.
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.
Reconcile only
Why this is correct
Reconcile only is a valid action that updates existing CIs without creating new ones.
Related concept
Read the scenario before looking for a memorised answer.
Create only
Why this is correct
Create only creates new CIs but does not update existing ones.
Related concept
Read the scenario before looking for a memorised answer.
Fuzzy match
Why it's wrong here
Fuzzy match is not an IRE option; IRE uses exact or pattern-based matching.
Exact match
Why this is correct
Exact match is a valid identification rule type.
Related concept
Read the scenario before looking for a memorised answer.
Update only
Why it's wrong here
Update only is not a separate IRE action; updates are part of reconcile.
Common exam traps
The trap here is that candidates confuse 'Reconcile only' with 'Update only' or think 'Fuzzy match' is a valid IRE option, but ServiceNow IRE only supports exact matching and the three specific actions: Reconcile only, Create only, and Exact match.
Detailed technical explanation
IRE rules are configured per data source and define how the IRE engine processes incoming CI data. The three valid options—'Reconcile only', 'Create only', and 'Exact match'—control whether the engine creates new CIs, updates existing ones, or requires an exact match on identification fields. Under the hood, IRE uses a two-phase process: first, it attempts to match incoming data to existing CIs using the identification rules; then, based on the IRE rule action, it either creates, reconciles, or rejects the data. In a real-world scenario, a 'Create only' rule is useful for importing data from a discovery tool that should never overwrite existing CI details, while 'Reconcile only' is used for data sources that should only update existing records, such as a CMDB synchronization feed.
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 SNOW-CSA 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
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FAQ
Database Administration and CMDB — This question tests Database Administration and CMDB — Read the scenario before looking for a memorised answer..
The correct answer is: Reconcile only — Option A is correct because the 'Reconcile only' option in an IRE rule instructs the IRE engine to only reconcile existing CI records against incoming data, without creating new CIs. This is used when you want to ensure existing CIs are updated or validated but no new records should be created from the data source.
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.
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Last reviewed: Jun 24, 2026
This SNOW-CSA practice question is part of Courseiva's free ServiceNow 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 SNOW-CSA exam.
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