Which ServiceNow resource is a framework that ensures the data your ServiceNow application requires maps correctly to the appropriate CMDB tables?

Which ServiceNow resource is a framework that ensures the data your ServiceNow application requires maps correctly to the appropriate CMDB tables?
A . Common Service Data Model (CSDM)
B . Service Mapping Utility (SMU)
C . Service Schema Map (SSM)
D . CMDB Class Manager (CMDBCM)
E . CI Class Manager (CICM)

Answer: A

Explanation:

Reference: https://docs.servicenow.com/bundle/paris-servicenow-platform/page/product/csdm-implementation/concept/csdm-basics.html