Which command will define the alternate diagnostic data directory path as
/db2data/db2dump2?

A.
db2set SECONDARY_DIAGPATH=/db2data/db2dump2

B.
UPDATE DBM CFG USING ALT_DIAGPATH /db2data/db2dump2

C.
db2set ALT_DIAGPATH=/db2data/db2dump2

D.
UPDATE DBM CFG USING SECONDARY_DIAGPATH /db2data/db2dump2