What step would the FileNet Content Manager administrator follow when stopping when the IBM Content Search Services (CSS) index dispatcher in preparation to upgrade the Content Platform Engine?

A. Logon to the Windows CSS server and stop the “CSS Server” service.

B. Logon to the Windows Verity server and stop the “Verity K2 Administration Server” service.

C. Logon to the Administration Console for Content Engine as a gcd_admin user, select the domain icon. In the edit pane, click the Text Search Subsystem tab and uncheck the Enable indexing check box.
D. Logon to the Administration Console for Content Engine as an object store administrator, select the object stores configured for CBR, Under Data Design > Classes, select the CBR enabled classes and uncheck the “CBR Enabled” field.

Reference:
https://www-304.ibm.com/support/knowledgecenter/SSNW2F_5.1.0/com.ibm.p8.install.doc/p8pup340.htm