【多选题】
A The Transparent Data Encryption (TDE) keystore is backed up using RMAN.
B Vendor specific media management software can be used for making encryptedRMAN backups to media.
C The BACKUP BACKUPSET command can encrypt and decrypt backup sets.
D Image copies can be encrypted.
E Keystore-based encryption is the default mode for RMAN backup encryption.
F Backup encryption can be enabled selectively for specific tablespaces.
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