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 po

题目
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

相似考题

1.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.

2.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.

3.Which command should an administrator use to view files and volume group backup information from a mksysb called server1.mksysb that is found in /backups？（）  A、lsmksysb -l /backups/server1.mksysbB、showmksysb -f /backups/server1.mksysbC、listvgbackup -f /backups/server1.mksysbD、showvgbackup -l /backups/server1.mksysb

4.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

参考答案和解析
正确答案： D,B
解析： 暂无解析
更多“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 po”相关问题

  • 第1题：

    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 night
    • B、Differential backups every night
    • C、Full backup Saturday night， incremental backups the rest of the week
    • D、Full backup Saturday night， differential backups the rest of the week

    正确答案:C

  • 第2题：

    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.

    正确答案:C,E

  • 第3题：

    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 tape
    • B、It is not supported for backup operations that produce image copies
    • C、Duplex backups need a parallelism for the device to be equal to number of copies
    • D、Duplex backups can be performed to either disk or tape, but cannot be performed on tape and disk simultaneously

    正确答案:B,D

  • 第4题：

    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 tape
    • B、 It is not supported for backup operations that produce image copies
    • C、 Duplex backups need a parallelism for the device to be equal to number of copies
    • D、 Duplex backups can be performed to either disk or tape， but cannot be performed on tape and disk simultaneously

    正确答案:B,D

  • 第5题：

    Which two statements are true about encrypting RMAN backup？（）

    • A、 The transparent encryption of backups uses the encryption wallet
    • B、 The database uses the same encryption key for every encrypted backup
    • C、 The password encryption of backups only uses the password while creating and restoring backup
    • D、 If transparent encryption is configured， you cannot use the SET ENCRYPTION BY PASSWORD  command to make password-protected backups

    正确答案:A,C

  • 第6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（）

    • 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.

    正确答案:B,C,E

  • 第7题：

    单选题
    You want to use RMAN to create compressed backups.Which statement is true about the compression algorithms that RMAN can use?（）
    A

    The BZIP2 compression algorithm consumes more CPU resources than the ZLIB compression algorithm.

    B

    The ZLIB compression algorithm consumes more CPU resources than the BZIP2 compression algorithm.

    C

    The ZLIB compression algorithm provides maximum compression and produces smaller backups than the BZIP2 compression algorithm.

    D

    Only the BZIP2 compression algorithm can be used to make compressed backups to disk.


    正确答案： D
    解析： 暂无解析

  • 第8题：

    多选题
    Which two statements are true about encrypting RMAN backup？（）
    A

    The transparent encryption of backups uses the encryption wallet

    B

    The database uses the same encryption key for every encrypted backup

    C

    The password encryption of backups only uses the password while creating and restoring backup

    D

    If transparent encryption is configured， you cannot use the SET ENCRYPTION BY PASSWORD  command to make password-protected backups


    正确答案： D,B
    解析： 暂无解析

  • 第9题：

    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（）
    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.


    正确答案： E,A
    解析： 暂无解析

  • 第10题：

    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（）
    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


    正确答案： E,A
    解析： 暂无解析

  • 第11题：

    多选题
    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 tape

    B

    It is not supported for backup operations that produce image copies

    C

    Duplex backups need a parallelism for the device to be equal to number of copies

    D

    Duplex backups can be performed to either disk or tape, but cannot be performed on tape and disk simultaneously


    正确答案： B,D
    解析： 暂无解析

  • 第12题：

    多选题
    For an incomplete recovery， which four backup types can be used by Recovery Manager （RMAN） to restore data files？（）
    A

    RMAN image copies.

    B

    RMAN database backups.

    C

    RMAN tablespace backups.

    D

    User-managed backups placed in the flash recovery area.

    E

    User-managed backups that have been cataloged with RMAN.

    F

    User-managed data file backups for which the pull path name is specified.


    正确答案： D,A
    解析： 暂无解析

  • 第13题：

    Management has decided that the database must be available 24 hours a day， 7 days a week. Given this requirement， which type of backup is required？（）

    • A、user-managed backups.
    • B、partial database backups.
    • C、consistent database backups.
    • D、inconsistent database backups.

    正确答案:C

  • 第14题：

    You want to use RMAN to create compressed backups.Which statement is true about the compression algorithms that RMAN can use?（）

    • A、The BZIP2 compression algorithm consumes more CPU resources than the ZLIB compression algorithm.
    • B、The ZLIB compression algorithm consumes more CPU resources than the BZIP2 compression algorithm.
    • C、The ZLIB compression algorithm provides maximum compression and produces smaller backups than the BZIP2 compression algorithm.
    • D、Only the BZIP2 compression algorithm can be used to make compressed backups to disk.

    正确答案:A

  • 第15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（）

    • 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

    正确答案:B,C,E

  • 第16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

    正确答案:A,C

  • 第17题：

    What are three facts about backups with mysqldump?（）

    • A、Can back up a remote database server
    • B、Allow a consistent backup to be taken
    • C、Are always faster to restore than binary backups
    • D、Are able to back up specific items within a database
    • E、Create automatically compressed backups
    • F、Will lock all storage engines for duration of backup

    正确答案:A,B,D

  • 第18题：

    Which two statements are true about encrypting RMAN backup?（） (Choose two.)

    • A、The transparent encryption of backups uses the encryption wallet
    • B、The database uses the same encryption key for every encrypted backup
    • C、The password encryption of backups only uses the password while creating and restoring backup
    • D、If transparent encryption is configured, you cannot use the SET ENCRYPTION BY PASSWORD command to make password-protected backups.

    正确答案:A,C

  • 第19题：

    多选题
    Which two statements are true about encrypting RMAN backup?（）
    A

    The transparent encryption of backups uses the encryption wallet

    B

    The database uses the same encryption key for every encrypted backup

    C

    The password encryption of backups only uses the password while creating and restoring backup

    D

    If transparent encryption is configured, you cannot use the SET ENCRYPTION BY PASSWORD command to make password-protected backups.


    正确答案： B,C
    解析： 暂无解析

  • 第20题：

    多选题
    Which two statements are true about encrypting RMAN backup?（） (Choose two.)
    A

    The transparent encryption of backups uses the encryption wallet

    B

    The database uses the same encryption key for every encrypted backup

    C

    The password encryption of backups only uses the password while creating and restoring backup

    D

    If transparent encryption is configured, you cannot use the SET ENCRYPTION BY PASSWORD command to make password-protected backups.


    正确答案： C,B
    解析： 暂无解析

  • 第21题：

    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


    正确答案： A,D
    解析： 暂无解析

  • 第22题：

    多选题
    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 tape

    B

    It is not supported for backup operations that produce image copies

    C

    Duplex backups need a parallelism for the device to be equal to number of copies

    D

    Duplex backups can be performed to either disk or tape， but cannot be performed on tape and disk simultaneously


    正确答案： C,D
    解析： 暂无解析

  • 第23题：

    多选题
    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.


    正确答案： E,C
    解析： 暂无解析

  • 第24题：

    多选题
    What are three facts about backups with mysqldump?（）
    A

    Can back up a remote database server

    B

    Allow a consistent backup to be taken

    C

    Are always faster to restore than binary backups

    D

    Are able to back up specific items within a database

    E

    Create automatically compressed backups

    F

    Will lock all storage engines for duration of backup


    正确答案： F,E
    解析： 暂无解析

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