A database administrator (DBA) extracts a user listing for an auditor as testing evidence.
Which of the following will provide the GREATEST assurance that the user listing is reliable?
A . Requesting a query that returns the count of the users.
B . Requesting a copy of the query that generated the user listing
C . Obtaining sign-off from the DBA to attest that the list is complete
D . Witnessing the DBA running the query in-person
Answer: D