What are two significant differences between archives and backups as performed by the IBM Tivoli Storage Manager Backup-Archive client?
A. Archives support versioning; backups do not.
B. Archived files may be automatically deleted from a filesystem.
C. Archives will not retry changing files encountered during processing; backups will.
D. Archives may only be directed to tape storage pools; backups may be directed to disk or tape.
E. Archives support retention based solely on a number of days; backups support retention based on a number of days and/or versions.