What are the best reasons for only opening files on the RDF backup system for read-only
access? Select TWO.

A.
This avoids contention with the extractor.

B.
Files you open may already be opened by an updater.

C.
This creates less overhead for the monitor.

D.
Files you open may need to be opened by an updater at a later time.

E.
This creates less contention with the image trails.