You executed the following command in Recovery Manager (RMAN) to perform a backup of the DETTBS tablespace: RMAN> BACKUP TABLESPACE DETTBS; Under which conditions would this command execute successfully? ()
AThe database is in NOMOUNT state.
BThe database is in NOARCHIVELOG mode and the tablespace is online.
CThe database is in NOARCHIVELOG mode and the tablespace is offline.
DThe database is in ARCHIVELOG mode and the tablespace is offline.
EThe database is in ARCHIVELOG mode and the tablespace is online.
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