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The Configuration Management team wants to confirm that all servers in the CMDB actually exist in the data center. Which CMDB Data Manager policy type would the team create? (Choose 1 option)
Comprehensive and Detailed Explanation (200--300 words)
Within ServiceNow Data Foundations, CMDB Data Manager provides multiple policy types to support governance, data quality, and lifecycle management of configuration items (CIs). The scenario described---confirming that servers recorded in the CMDB physically exist in the data center---is a classic example of existence validation and ownership confirmation, which is exactly the purpose of an Attestation policy.
An Attestation policy is designed to request a human validation from a responsible individual or group (such as a data center manager, platform owner, or infrastructure team). The policy generates attestation tasks that require reviewers to explicitly confirm whether a CI is valid, accurate, and still exists. This aligns directly with CMDB governance best practices and ITIL 4 Service Configuration Management, where periodic verification ensures trust in the CMDB as a system of record.
The other policy types do not meet this requirement:
Certification is typically used to validate compliance with defined data standards (e.g., mandatory fields populated), not physical existence.
Delete, Archive, and Retire are lifecycle actions, used after a CI has already been identified as obsolete or no longer required.
None of these options involve human confirmation of real-world existence.
From a CSDM and Data Foundations perspective, attestation supports:
CMDB accuracy and credibility
Audit and regulatory compliance (especially critical in financial services)
Clear accountability for CI ownership and validation
Therefore, when the goal is to confirm that servers actually exist, the correct and fully aligned CMDB Data Manager policy type is Attestation (E).