20+ practice questions focused on Database Administration and CMDB — one of the most tested topics on the ServiceNow Certified System Administrator CSA exam. Each question includes a detailed explanation so you learn why the right answer is correct.
Start Database Administration and CMDB PracticeA ServiceNow administrator notices that a CI record in the CMDB is not being updated by a scheduled discovery job. The CI is a Linux server that is reachable on the network. Which is the most likely cause?
Explanation: When a CI is classified under a different CI class in the CMDB, the scheduled discovery job may not update it because discovery uses the IRE to match incoming data against existing CIs based on identification rules. If the CI's class differs from what the discovery payload expects, the IRE may fail to reconcile the record, or the update may be directed to a different class table, leaving the original CI unchanged. This is a common cause of apparent update failures when the CI is reachable and the discovery source is correctly configured.
A consultant is designing the CMDB for a large enterprise. The company wants to track relationships between business services, applications, and infrastructure components. Which relationship model should be used to represent that a business service depends on an application, which in turn depends on a server?
Explanation: A dependency relationship (structural) is the correct model because it explicitly captures the directional 'depends on' nature of the chain: a business service relies on an application, which in turn relies on a server. In ServiceNow CMDB, structural dependency relationships (e.g., 'Depends on' or 'Used by') are designed to represent these hierarchical, transitive dependencies between CIs, enabling impact analysis and root cause mapping.
During a CMDB health review, an administrator finds that many CI records have the same serial number but different names and IP addresses. What is the most likely root cause?
Explanation: The correct answer is C because the identification rule determines which fields are used to uniquely identify a CI. If the serial number is not included in the identification rule, the CMDB cannot detect duplicates based on serial number, allowing multiple CIs with the same serial number but different names and IP addresses to be created. This is a common misconfiguration that leads to CI proliferation and data inconsistency.
Which TWO of the following are valid CI relationship types in ServiceNow?
Explanation: Option C is correct because 'Member of' is a predefined CI relationship type in ServiceNow's CMDB, used to indicate that a CI belongs to a group or cluster, such as a server being a member of a cluster. This relationship is part of the standard CMDB relationship model and is commonly used for grouping CIs like applications, clusters, or business services.
Which THREE of the following are required for ServiceNow Discovery to successfully populate the CMDB?
Explanation: Valid credentials (Option B) are required because ServiceNow Discovery uses SNMP, SSH, WMI, or REST to probe target devices. Without correct credentials, the MID Server cannot authenticate to the device, so it cannot read configuration data or populate CI attributes in the CMDB.
+15 more Database Administration and CMDB questions available
Practice all Database Administration and CMDB questions1. Baseline your knowledge
Start with 10 questions to gauge your current understanding of Database Administration and CMDB. This tells you whether you need a concept refresher or just practice.
2. Review every explanation
For each question — right or wrong — read the full explanation. Understanding why an answer is correct is more valuable than knowing the answer itself.
3. Focus on exam traps
Database Administration and CMDB questions on the SNOW-CSA frequently use trap wording. Look for subtle differences in answers that test your precision, not just general knowledge.
4. Reach 80% consistently
Do repeated sessions until you score 80%+ three times in a row. Then move to mixed-mode practice to test cross-topic recall under realistic conditions.
The exact number varies per candidate. Database Administration and CMDB is tested as part of the ServiceNow Certified System Administrator CSA blueprint. Practicing with targeted Database Administration and CMDB questions ensures you can handle any format or difficulty that appears.
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Difficulty is subjective, but Database Administration and CMDB is a high-priority exam concept tested in multiple ways — direct recall, scenario analysis, and command-output interpretation. Consistent practice is the best way to build confidence.
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