Which statement is true about Exadata Storage Servers?

A.
Exadata Storage Servers automatically delete old diagnostic and metric files.

B.
Exadata requires a running database instance on all storage servers and database servers.

C.
Redundancy for the user data that is stored in a database that is running on Exadata is achieved with
RAID5.

D.
Communication between a database and an Exadata storage flows over low latency 10 Gigabit Ethernet.

E.
Exadata uses network affinity to determine which storage server data is written.