Which one of the following is true for Granting SYSADM authority to the group ‘grp’:

A.
UPDATE DB CFG USING SYS_GROUP GROUP1

B.
UPDATE DBM CFG USING SYSADM_GROUP GROUP1

C.
UPDATE DBM USING SYSADM_GROUP GROUP1

D.
UPDATE DBM CFG USING SYSADM GROUP1

Explanation: