SNOW-CSA Database Administration and CMDB Practice Question
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 are components of CMDB Reconciliation? (Select three.)
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Identification rules
Identification rules are a core component of CMDB Reconciliation because they define how ServiceNow uniquely identifies CIs across multiple data sources. They use specific attributes (like serial number or MAC address) to match CIs and prevent duplicates during the reconciliation process.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✓
Identification rules
Why this is correct
Identification rules determine how CIs are matched to data sources.
Related concept
Read the scenario before looking for a memorised answer.
✓
Data Source definitions
Why this is correct
Data source definitions specify which sources can provide CI data.
Related concept
Read the scenario before looking for a memorised answer.
✓
Reconciliation rules
Why this is correct
Reconciliation rules define how to handle conflicts between data sources.
Related concept
Read the scenario before looking for a memorised answer.
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CMDB Health Score
Why it's wrong here
CMDB Health Score measures data quality, not reconciliation.
✗
CI Class Manager
Why it's wrong here
CI Class Manager is used to define class hierarchy, not reconciliation.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse CMDB Health Score (a reporting feature) with an active reconciliation component, or assume CI Class Manager is involved in reconciliation when it only handles class structure, not data matching.
Detailed technical explanation
How to think about this question
Reconciliation in ServiceNow uses a three-step pipeline: identification (via identification rules), data source definitions (to specify which sources feed into the CMDB), and reconciliation rules (to decide which source's data wins when conflicts arise). The reconciliation engine runs these in sequence during each import or transform operation, and misconfigured identification rules are a common cause of duplicate CIs in production environments.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
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
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Database Administration and CMDB — This question tests Database Administration and CMDB — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Identification rules — Identification rules are a core component of CMDB Reconciliation because they define how ServiceNow uniquely identifies CIs across multiple data sources. They use specific attributes (like serial number or MAC address) to match CIs and prevent duplicates during the reconciliation process.
What should I do if I get this SNOW-CSA question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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