What are two benefits of using client-driven PST migration? (Select two.)

A.
it is the fastest PST migration method

B.
corrupted PSTs are fixed automatically during migration

C.
it copies items it is loading in chunks into the local Vault Cache, avoiding extra downloads

D.
PST files bigger than 20GB are migrated in bigger chunks, avoiding the file table corruption in a PST file during migration

E.
it allows PST migration to continue while Outlook is open