Which five of them are considered as planned downtime?

Consider 10 scenarios that result in database downtime. Which five of them are considered as
planned downtime?

A.
addition or removal of nodes, memory, or disks

B.
changing configuration parameters, upgrading, or patching Oracle software

C.
file deletion

D.
migrating to cluster architecture

E.
dropped database object

F.
table definition changes

G.
runaway processes that consume system resources

H.
adding table partitioning

I.
operating system or storage device / driver failure

J.
database or application deadlocks