多选题Which two are true regarding MySQL binary and text backups?()ABinary backups are usually faster than text backupsBBinary backups are usually slower than text backupsCText backups are human-readable while binary backups are notDBinary backups are not portable across different operating systems
多选题
Which two are true regarding MySQL binary and text backups?()
A
Binary backups are usually faster than text backups
B
Binary backups are usually slower than text backups
C
Text backups are human-readable while binary backups are not
D
Binary backups are not portable across different operating systems
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Which two statements are true about encrypting RMAN backup?() A. The transparent encryption of backups uses the encryption walletB. The database uses the same encryption key for every encrypted backupC. The password encryption of backups only uses the password while creating and restoring backupD. If transparent encryption is configured, you cannot use the SET ENCRYPTION BY PASSWORD command to make password-protected backups.
Which two are true regarding MySQL binary and text backups?() A.Binary backups are usually faster than text backupsB.Binary backups are usually slower than text backupsC.Text backups are human-readable while binary backups are notD.Binary backups are not portable across different operating systems
Which two statements are true about encrypting RMAN backup?() (Choose two.) A. The transparent encryption of backups uses the encryption walletB. The database uses the same encryption key for every encrypted backupC. The password encryption of backups only uses the password while creating and restoring backupD. If transparent encryption is configured, you cannot use the SET ENCRYPTION BY PASSWORD command to make password-protected backups.
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Due to operational commitments, a system has a very short backup window during the week, but is not used from Saturday morning through Sunday at Midnight. Which of the following minimizes backup time, while providing the best data restore coverage?()A、Full backups every nightB、Differential backups every nightC、Full backup Saturday night, incremental backups the rest of the weekD、Full backup Saturday night, differential backups the rest of the week
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Which two statements are true regarding the database in ARCHIVELOG mode?()A、You have to shut down the database to perform the backups.B、Archiving information is written to the data files and redo log files.C、You can perform complete database backups without closing the database.D、Online redo log files have to be multiplexed before putting the database in ARCHIVELOG mode.E、All the previous database backups become invalid after you configure the database to ARCHIVELOG mode.
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Which two statements are true about the duplexing of the backups taken by RMAN? ()(Choose two.)A、It's only supported for the backups performed on the tapeB、It is not supported for backup operations that produce image copiesC、Duplex backups need a parallelism for the device to be equal to number of copiesD、Duplex backups can be performed to either disk or tape, but cannot be performed on tape and disk simultaneously
You are managing an Oracle Database 11g database. The database is open, and you plan to perform Recovery Manager (RMAN) backups. Which three statements are true about these backups()A、The backups would be consistent.B、The backups would be inconsistent.C、The backups would be possible only if the database is running in ARCHIVELOG mode.D、The backups would be possible only if the database is running in NOARCHIVELOG mode.E、The backups need to be restored and the database has to be recovered in case of a media failure
Which two statements are true about the duplexing of the backups taken by RMAN?() A、 It’s only supported for the backups performed on the tapeB、 It is not supported for backup operations that produce image copiesC、 Duplex backups need a parallelism for the device to be equal to number of copiesD、 Duplex backups can be performed to either disk or tape, but cannot be performed on tape and disk simultaneously
Which two are true regarding MySQL binary and text backups?()A、Binary backups are usually faster than text backupsB、Binary backups are usually slower than text backupsC、Text backups are human-readable while binary backups are notD、Binary backups are not portable across different operating systems
Which two statements are true about encrypting RMAN backup?()A、 The transparent encryption of backups uses the encryption walletB、 The database uses the same encryption key for every encrypted backupC、 The password encryption of backups only uses the password while creating and restoring backupD、 If transparent encryption is configured, you cannot use the SET ENCRYPTION BY PASSWORD command to make password-protected backups
What are three facts about backups with mysqldump?()A、Can back up a remote database serverB、Allow a consistent backup to be takenC、Are always faster to restore than binary backupsD、Are able to back up specific items within a databaseE、Create automatically compressed backupsF、Will lock all storage engines for duration of backup
You are managing an Oracle Database 11g database. The database is open, and you plan to performRecovery Manager (RMAN) backups. Which three statements are true about these backups()A、The backups would be consistent. B、The backups would be inconsistent.C、The backups would be possible only if the database is running in ARCHIVELOG mode.D、The backups would be possible only if the database is running in NOARCHIVELOG mode.E、The backups need to be restored and the database has to be recovered in case of a media failure.
Which two statements are true about encrypting RMAN backup?() (Choose two.)A、The transparent encryption of backups uses the encryption walletB、The database uses the same encryption key for every encrypted backupC、The password encryption of backups only uses the password while creating and restoring backupD、If transparent encryption is configured, you cannot use the SET ENCRYPTION BY PASSWORD command to make password-protected backups.
单选题You want to use RMAN to create compressed backups.Which statement is true about the compression algorithms that RMAN can use?()AThe BZIP2 compression algorithm consumes more CPU resources than the ZLIB compression algorithm.BThe ZLIB compression algorithm consumes more CPU resources than the BZIP2 compression algorithm.CThe ZLIB compression algorithm provides maximum compression and produces smaller backups than the BZIP2 compression algorithm.DOnly the BZIP2 compression algorithm can be used to make compressed backups to disk.
多选题Which two statements are true about encrypting RMAN backup?()AThe transparent encryption of backups uses the encryption walletBThe database uses the same encryption key for every encrypted backupCThe password encryption of backups only uses the password while creating and restoring backupDIf transparent encryption is configured, you cannot use the SET ENCRYPTION BY PASSWORD command to make password-protected backups.
多选题Which two statements are true about encrypting RMAN backup?()AThe transparent encryption of backups uses the encryption walletBThe database uses the same encryption key for every encrypted backupCThe password encryption of backups only uses the password while creating and restoring backupDIf transparent encryption is configured, you cannot use the SET ENCRYPTION BY PASSWORD command to make password-protected backups
多选题Which two statements are true about encrypting RMAN backup?() (Choose two.)AThe transparent encryption of backups uses the encryption walletBThe database uses the same encryption key for every encrypted backupCThe password encryption of backups only uses the password while creating and restoring backupDIf transparent encryption is configured, you cannot use the SET ENCRYPTION BY PASSWORD command to make password-protected backups.
多选题You are managing an Oracle Database 11g database. The database is open, and you plan to performRecovery Manager (RMAN) backups. Which three statements are true about these backups()AThe backups would be consistent.BThe backups would be inconsistent.CThe backups would be possible only if the database is running in ARCHIVELOG mode.DThe backups would be possible only if the database is running in NOARCHIVELOG mode.EThe backups need to be restored and the database has to be recovered in case of a media failure.
多选题Which two are true regarding MySQL binary and text backups?()ABinary backups are usually faster than text backupsBBinary backups are usually slower than text backupsCText backups are human-readable while binary backups are notDBinary backups are not portable across different operating systems
多选题You are managing an Oracle Database 11g database. The database is open, and you plan to perform Recovery Manager (RMAN) backups. Which three statements are true about these backups()AThe backups would be consistent.BThe backups would be inconsistent.CThe backups would be possible only if the database is running in ARCHIVELOG mode.DThe backups would be possible only if the database is running in NOARCHIVELOG mode.EThe backups need to be restored and the database has to be recovered in case of a media failure
多选题Which two statements are true about the duplexing of the backups taken by RMAN?()AIt’s only supported for the backups performed on the tapeBIt is not supported for backup operations that produce image copiesCDuplex backups need a parallelism for the device to be equal to number of copiesDDuplex backups can be performed to either disk or tape, but cannot be performed on tape and disk simultaneously
多选题Which two statements are true about the duplexing of the backups taken by RMAN? ()(Choose two.)AIt's only supported for the backups performed on the tapeBIt is not supported for backup operations that produce image copiesCDuplex backups need a parallelism for the device to be equal to number of copiesDDuplex backups can be performed to either disk or tape, but cannot be performed on tape and disk simultaneously
多选题Which two statements are true regarding the database in ARCHIVELOG mode?()AYou have to shut down the database to perform the backups.BArchiving information is written to the data files and redo log files.CYou can perform complete database backups without closing the database.DOnline redo log files have to be multiplexed before putting the database in ARCHIVELOG mode.EAll the previous database backups become invalid after you configure the database to ARCHIVELOG mode.
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多选题What are three facts about backups with mysqldump?()ACan back up a remote database serverBAllow a consistent backup to be takenCAre always faster to restore than binary backupsDAre able to back up specific items within a databaseECreate automatically compressed backupsFWill lock all storage engines for duration of backup