Which four would you recommend to address those needs?

Your customer is looking for a solution to address these downtime needs:
– Online addition and removal of disks should automatically rebalance data across new storage
configurations while storage, database, and applications remain online.

– Dynamically add or remove clustered nodes without disrupting the database or applications.
– Automate the sizing and distribution of shared memory.
– Add a column with a default value without disrupting the database or applications.
– Perform rolling patch upgrades.
Which four would you recommend to address those needs?

A.
Automatic Storage Management (ASM)

B.
Online Data and Application change

C.
Global Data Services (GDS)

D.
Real Application Clusters (RAC)

E.
Oracle Streams

F.
Online Table Redefinition

G.
Oracle Database Vault