After migrating to DB2 9 for z/OS NFM you recognize that you need additional work file database
page sets. Which statement is correct?

A.
You must use REXX exec DSNTWFG.

B.
Work file database page sets are always user-controlled, that is the associated VSAM clusters
must be created prior to the actual creation.

C.
Work file database must be stopped in order to add page sets to it using either DSNTWFG
exec or CREATE TABLESPACE.

D.
You can use either DSNTWFG exec or CREATE TABLESPACE to add additional page sets to
the work file database.