Which core table in the ServiceNow platform provides a series of standard fields used on each of the tables that extend it, such as the Incident [incident] and Problem [problem] tables?

The Task [task] table is the base table for many processes in ServiceNow, including Incident, Problem, Change, and Service Catalog requests, providing a common set of fields and functionalities that extend to all child tables, ensuring consistency in various record types.

Assignment [assignment] is not a core table that extends to Incident and Problem; it typically refers to a related list or concept within task management.

Service [service] is a table related to services offered or CIs, not a base table for task management records.

Workflow [workflow] is a system component for automating processes and is not a core table that Incident and Problem extend from.