Which type of backup must be performed first with an incremental backup？（）A、 Level 1B、 Level 0C、 Level 2D、 Level 3

题目

Which type of backup must be performed first with an incremental backup？（）

  • A、 Level 1
  • B、 Level 0
  • C、 Level 2
  • D、 Level 3
相似考题

1.An IS-IS router is adjacent to and passing traffic with a neighbor. You perform a show isis interface detail command and notice that for some interfaces you have a circuit type of 3. Which IS-IS level(s) is enabled on these interfaces?（）A、Level 1 onlyB、Level 2 onlyC、Level 1 and Level 2D、Level 3 only

2.An IS-IS router is adjacent to and passing traffic with a neighbor. You perform a show is interface detail command and notice that for some interfaces you have a circuit type of 3. Which IS-IS level（s） is enabled on these interfaces？（）A、Level 1 onlyB、Level 2 onlyC、Level 1 and Level 2D、Level 3 only

3. You performed an incremental level 0 backup of a database: RMAN > BACKUP INCREMENTAL LEVEL 0 DATABASE; To enable block change tracking after the incremental level 0 backup, you issued this command: SQL > ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE ‘ /mydir/rman_change_track.f’; To perform an incremental level 1 cumulative backup, you issued this command: RMAN> BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE; Which three statements are true?（）A、Backup change tracking will sometimes reduce I/O performed during cumulative incremental backups.B、The change tracking file must always be backed up when you perform a full database backup.C、Block change tracking will always reduce I/O performed during cumulative incremental backups.D、More than one database block may be read by an incremental backup for a change made to a single block.E、The incremental level 1 backup that immediately follows the enabling of block change tracking will not read the change tracking file to discover changed blocks.

4.Which IS - IS router is equivalent to an ABR in OSPF?（）A、Level 2 - 3B、Level 1 - 2C、Level 2D、Level 0E、Level 3F、Level 1

更多“Which type of backup must be performed first with an incremental backup？（）A、 Level 1B、 Level 0C、 Level 2D、 Level 3”相关问题

  • 第1题：

    According to your backup strategy， you performed an incremental level 0 backup of yourdatabase. Which statement regarding this backup is true？（）

    • A、The backup is similar to image copy.
    • B、The backup contains all used data blocks.
    • C、The backup contains only unused data blocks.
    • D、The backup contains all data blocks changed since the last incremental level 1 backup.

    正确答案:B

  • 第2题：

    You are managing an Oracle Database 11g database with this backup strategy：  - Every Sunday night， level 0 backup is performed.  - On Monday night and subsequent days， level 1 incremental backup is performed.  The backups are not cumulative incremental.  Which statement about Monday’s backup is true（）

    • A、The backup contains all the used blocks.
    • B、The backup contains all the used and unused blocks.
    • C、The backup contains blocks that have changed since the last level 0 backup.
    • D、The backup contains blocks that have changed since the last level 1 backup taken last week.

    正确答案:C

  • 第3题：

    You are managing an Oracle Database 11g database with the following backup strategy：1） On Sunday， an incremental level 0 tape backup is performed.2） Monday through Saturday， a cumulative incremental level 1 tape backup is performed. Which twostatements are true regarding the backups performed（）

    • A、The backup performed in step 1 backs up all blocks that have ever been in use in the database.
    • B、The backup performed in step 2 copies all the blocks changed since the most recent level 0 backup.
    • C、The backup performed in step 1 backs up all the blocks changed since the most recent level 1 backup.
    • D、The backup performed in step 2 backs up all blocks that have changed since the most recent incrementalbackup at level 1

    正确答案:A,B

  • 第4题：

    Examine the following command used to perform incremental level 0 backup：   RMAN> BACKUP INCREMENTAL LEVEL 0 DATABASE；   To enable the block change tracking， after the incremental level 0 backup you issued the following command：   SQL> ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE ’/mydir/ rman_change_track.f’；To perform incremental level 1 cumulative backup， you issued the following command：   RMAN> BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE；   Which two statements are true in the above situation？（）

    • A、 The block change tracking data will be used only from the next incremental 0 backup.
    • B、 The incremental backup will use change tracking data for accomplishing the backup.
    • C、 The incremental backup will not use change tracking data for accomplishing the backup.
    • D、 The block track file will scan all the blocks and create bitmap for all the blocks backed up in the level 0 backup.

    正确答案:A,C

  • 第5题：

    You enable block change tracking. You issue the following command: BACKUP INCREMENTAL LEVEL 0 DATABASE; The next day, you issue the following command: BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE; Which statement about the use of the change tracking file is true?（）

    • A、RMAN reads the block change tracking file only when it performs the incremental level 0 backup.
    • B、RMAN reads the block change tracking file when it performs both incremental backups.
    • C、RMAN reads the block change tracking file only when it performs the incremental level 1 backup.
    • D、RMAN does not read the block change tracking file when it performs either incremental backup.

    正确答案:C

  • 第6题：

    You are migrating your production database from non-ASM to ASM storage. You used the RMAN utility to migrate the database from non-ASM to ASM storage. Which type of backup command script will you use for migrating the database from non-ASM to ASM storage？（）

    • A、 BACKUP AS BACKUPSET
    • B、 BACKUP AS COPY
    • C、 BACKUP AS COMPRESSED BACKUPSET
    • D、 BACKUP INCREMENTAL LEVEL n CUMULATIVE

    正确答案:B

  • 第7题：

    Which type of backup backs up only data blocks modified since the most recent backup at the same level or lower?（）

    • A、Differential incremental backup
    • B、Different incremental backup 
    • C、Cumulative backup 
    • D、Cumulative incremental backup

    正确答案:A

  • 第8题：

    单选题
    Which type of backup must be performed first with an incremental backup？（）
    A

     Level 1

    B

     Level 0

    C

     Level 2

    D

     Level 3


    正确答案： B
    解析： 暂无解析

  • 第9题：

    单选题
    Which type of backup backs up only data blocks modified since the most recent backup at the same level or lower？（）
    A

     Differential incremental backup

    B

     Different incremental backup

    C

     Cumulative backup

    D

     Cumulative incremental backup


    正确答案： A
    解析： 暂无解析

  • 第10题：

    单选题
    Which type of backup contains only the blocks that have changed since the last level 0 incremental backup?（）
    A

    a cumulative level 1 backup

    B

    a differential level 1 backup

    C

    a full backup

    D

    a whole backup


    正确答案： D
    解析： 暂无解析

  • 第11题：

    单选题
    According to your backup strategy， you performed an incremental level 0 backup of your database. Which statement regarding this backup is true？（）
    A

    The backup is similar to image copy.

    B

    The backup contains all used data blocks.

    C

    The backup contains only unused data blocks.

    D

    The backup contains all data blocks changed since the last incremental level 1 backup.


    正确答案： A
    解析： 暂无解析

  • 第12题：

    单选题
    You are migrating your production database from non-ASM to ASM storage. You used the RMAN utility to migrate the database from non-ASM to ASM storage. Which type of backup command script will you use for migrating the database from non-ASM to ASM storage？（）
    A

     BACKUP AS BACKUPSET

    B

     BACKUP AS COPY

    C

     BACKUP AS COMPRESSED BACKUPSET

    D

     BACKUP INCREMENTAL LEVEL n CUMULATIVE


    正确答案： B
    解析： 暂无解析

  • 第13题：

    You perform differential incremental level 1 backups of your database on each working day and level 0 backup on Sundays， to tape.  Which two statements are true about differential incremental backups（）

    • A、The backup performed on Sundays contains all the blocks that have ever been used in the database.
    • B、The backup performed on Sundays contains all the blocks that have changed since the last level 1backup. 
    • C、The backup performed on each working day contains all the blocks that have changed since the lastlevel 0 backup.
    • D、The backup performed on Monday contains all the blocks that have changed since the level 0 backup，and every other working day contains all the blocks that have changed since the level 1 backup.

    正确答案:A,D

  • 第14题：

    Which type of backup backs up only data blocks modified since the most recent backup at the same level or lower？（）  

    • A、 Differential incremental backup
    • B、 Different incremental backup
    • C、 Cumulative backup
    • D、 Cumulative incremental backup

    正确答案:A

  • 第15题：

    Which type of backup contains only the blocks that have changed since the last level 0 incremental backup?（）

    • A、a cumulative level 1 backup
    • B、a differential level 1 backup
    • C、a full backup
    • D、a whole backup

    正确答案:A

  • 第16题：

    You work as a database administrator for Certkiller .com. According to your backup strategy， you performed an incremental level 0 backup of your database. Which statement regarding this backup is true？（）

    • A、The backup is similar to image copy.
    • B、The backup contains all used data blocks.
    • C、The backup contains only unused data blocks.
    • D、The backup contains all data blocks changed since the last incremental level 1 backup.

    正确答案:B

  • 第17题：

    You perform differential incremental level 1 backups of your database on each working day and level 0 backupon Sundays， to tape. Which two statements are true about differential incremental backups（）

    • A、The backup performed on Sundays contains all the blocks that have ever been used in the database.
    • B、The backup performed on Sundays contains all the blocks that have changed since the last level 1 backup.
    • C、The backup performed on each working day contains all the blocks that have changed since the last level 0 backup.
    • D、The backup performed on Monday contains all the blocks that have changed since the level 0 backup， and every other working day contains all the blocks that have changed since the level 1 backup

    正确答案:A,D

  • 第18题：

    You are managing an Oracle Database 11g database with the following backup strategy：  1.On Sunday， an incremental level 0 tape backup is performed.  2.Monday through Saturday， acumulativeincremental level 1 tape backup is performed.  Which two statements are true regarding the backups performed（）

    • A、The backup performed in step 1 backs up all blocks that have ever been in use in the database. 
    • B、The backup performed in step 2 copies all the blocks changed since the most recent level 0 backup.
    • C、The backup performed in step 1 backs up all the blocks changed since the most recent level 1 backup.
    • D、The backup performed in step 2 backs up all blocks that have changed since the most recent incremental backup at level 1.

    正确答案:A,B

  • 第19题：

    多选题
    You are managing an Oracle Database 11g database with the following backup strategy：1） On Sunday， an incremental level 0 tape backup is performed.2） Monday through Saturday， a cumulative incremental level 1 tape backup is performed. Which twostatements are true regarding the backups performed（）
    A

    The backup performed in step 1 backs up all blocks that have ever been in use in the database.

    B

    The backup performed in step 2 copies all the blocks changed since the most recent level 0 backup.

    C

    The backup performed in step 1 backs up all the blocks changed since the most recent level 1 backup.

    D

    The backup performed in step 2 backs up all blocks that have changed since the most recent incrementalbackup at level 1


    正确答案： C,A
    解析： 暂无解析

  • 第20题：

    多选题
    You performed an incremental level 0 backup of a database: RMAN > BACKUP INCREMENTAL LEVEL 0 DATABASE; To enable block change tracking after the incremental level 0 backup, you issued this command: SQL > ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE ‘ /mydir/rman_change_track.f’; To perform an incremental level 1 cumulative backup, you issued this command: RMAN> BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE; Which three statements are true?（）
    A

    Backup change tracking will sometimes reduce I/O performed during cumulative incremental backups.

    B

    The change tracking file must always be backed up when you perform a full database backup.

    C

    Block change tracking will always reduce I/O performed during cumulative incremental backups.

    D

    More than one database block may be read by an incremental backup for a change made to a single block.

    E

    The incremental level 1 backup that immediately follows the enabling of block change tracking will not read the change tracking file to discover changed blocks.


    正确答案： B,E
    解析： 暂无解析

  • 第21题：

    单选题
    You are managing an Oracle Database 11g database with this backup strategy：  - Every Sunday night， level 0 backup is performed.  - On Monday night and subsequent days， level 1 incremental backup is performed.  The backups are not cumulative incremental.  Which statement about Monday’s backup is true（）
    A

    The backup contains all the used blocks.

    B

    The backup contains all the used and unused blocks.

    C

    The backup contains blocks that have changed since the last level 0 backup.

    D

    The backup contains blocks that have changed since the last level 1 backup taken last week.


    正确答案： B
    解析： 暂无解析

  • 第22题：

    单选题
    Which type of backup contains only the blocks that have changed since the last level 0 incremental backup？（）
    A

     a cumulative level 1 backup

    B

     a differential level 1 backup

    C

     a full backup

    D

     a whole backup


    正确答案： A
    解析： 暂无解析

  • 第23题：

    单选题
    You work as a database administrator for Certkiller .com. According to your backup strategy， you performed an incremental level 0 backup of your database. Which statement regarding this backup is true？（）
    A

    The backup is similar to image copy.

    B

    The backup contains all used data blocks.

    C

    The backup contains only unused data blocks.

    D

    The backup contains all data blocks changed since the last incremental level 1 backup.


    正确答案： C
    解析： 暂无解析

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