Which statement is true about the Manageability Monitor （MMON） background proces（）A、It transfers statistics from memory to disk at regular intervals.B、It coordinates the rebalance activity for disk groups when ASM is used.C、It communicates with the Automa

题目

Which statement is true about the Manageability Monitor （MMON） background proces（）

  • A、It transfers statistics from memory to disk at regular intervals.
  • B、It coordinates the rebalance activity for disk groups when ASM is used.
  • C、It communicates with the Automatic Storage Management （ASM） instance on behalf of the databaseinstance.
  • D、It performs dynamic memory management when Automatic Shared Memory Management is enabledfor the database instance.
相似考题

1.As shown in the diagram, in－memory statistics are transferred to the disk at regular intervals. Which background process performs this activity?()A. CKPTB. SMONC. MMOND. DBWR

2.You administer an online transaction processing (OLTP) system whose database is stored in AutomaticStorage Management (ASM) and whose disk group use normal redundancy.One of the ASM disks goes offline, and is then dropped because it was not brought online before DISK_REPAIR_TIME elapsed.When the disk is replaced and added back to the disk group, the ensuing rebalance operation is too slow.Which two recommendations should you make to speed up the rebalance operation if this type of failurehappens again?（）A. Increase the value of the ASM_POWER_LIMIT parameter.B. Set the DISK_REPAIR_TIME disk attribute to a lower value.C. Specify the statement that adds the disk back to the disk group.D. Increase the number of ASMB processes.E. Increase the number of DBWR_IO_SLAVES in the ASM instance.

3.Which two statements are true about variable extent size support for large ASM files?()A. The metadata used to track extents in SGA is reduced.B. Rebalance operations are completed faster than with a fixed extent sizeC. An ASM Instance automatically allocates an appropriate extent size.D. Resync operations are completed faster when a disk comes online after being taken offline.E. Performance improves in a stretch cluster configuration by reading from a local copy of an extent.

4.Which two statements are true regarding an Automatic Storage Management (ASM) instance?() (Choosetwo.)A. As ASM instance mounts an ASM control fileB. An ASM instance uses the ASMB process for rebalancing of disks within a disk groupC. Automatic Memory Management is enabled in an ASM instance even when the MEMORY_TARGET parameter is not set explicitlyD. An RDBMS instance gets connected to an ASM instance using ASMB as a foreground process when the database instance is started

更多“Which statement is true about the Manageability Monitor （MMON） background proces（）A、It transfers statistics from memory to disk at regular intervals.B、It coordinates the rebalance activity for disk groups when ASM is used.C、It communicates with the Automa”相关问题

  • 第1题：

    Which two are the uses of the ASM metadata backup and restore （AMBR） feature？（）

    • A、 It can be used to back up all data on ASM disks.
    • B、 It can be used to recover the damaged ASM disk group along with the data.
    • C、 It can be used to gather information about a preexisting ASM disk group with disk paths，disk name，failure groups，attributes templates，and alias directory structure.
    • D、 It can be used to re-create the ASM disk group with its attributes.

    正确答案:C,D

  • 第2题：

    Which two statements are true regarding an Automatic Storage Management (ASM) instance? （）

    • A、As ASM instance mounts an ASM control file
    • B、An ASM instance uses the ASMB process for rebalancing of disks within a disk group
    • C、Automatic Memory Management is enabled in an ASM instance even when the MEMORY_TARGET parameter is not set explicitly
    • D、An RDBMS instance gets connected to an ASM instance using ASMB as a foreground process when the database instance is started

    正确答案:C,D

  • 第3题：

    Which background process coordinates the rebalance activity for disk groups？（）

    • A、 ORBn
    • B、 OSMB
    • C、 RBAL
    • D、 ASMn

    正确答案:C

  • 第4题：

    You have set Tablespace Full Metrics Threshold values for the USERS tablespace as follows：Warning （%）： 90Critical （%）： 95 Which background process is responsible for issuing alerts when the threshold is crossed（）

    • A、System monitor （SMON）
    • B、Process monitor （PMON）
    • C、Memory manager process （MMAN）
    • D、Manageability Monitor process （MMON）

    正确答案:D

  • 第5题：

    In which situations will the ASM metadata backup help you recover the ASM disk in a disk group？（）

    • A、 when one or more file directory paths are accidentally deleted from an ASM disk group
    • B、 when one of the disks in a disk group is accidentaly unplugged
    • C、 when the data file on an ASM disk group gets corrupted
    • D、 when one or more disks in an ASM disk group are lost

    正确答案:A,D

  • 第6题：

    Your database is configured on non-ASM disk storage. You need to migrate your database to ASM disk storage.  Which statement is true about migrating from non-ASM disk storage to ASM disk storage？（） 

    • A、 You can use the operating system utility to migrate from non-ASM disk storage to ASM disk storage.
    • B、 You cannot perform a database backup from non-ASM disk storage to tape and then move it to ASM disk storage.
    • C、 You can use the SWITCH DATABASE TO COPY Recovery Manager （RMAN） command to switch back to non-ASM disk storage if you have not deleted your original datafiles.
    • D、 You cannot use Recovery Manager （RMAN） to migrate from non-ASM disk storage to ASM disk storage if you are not using RMAN for your backup and recovery strategies.

    正确答案:C

  • 第7题：

    Which statement is true about the Manageability Monitor （MMON） background process（）

    • A、It transfers statistics from memory to disk at regular intervals.
    • B、It coordinates the rebalance activity for disk groups when ASM is used.
    • C、It communicates with the Automatic Storage Management （ASM） instance on behalf of the database Instance.
    • D、It performs dynamic memory management when Automatic Shared Memory Management is enabled for the Database instance

    正确答案:A

  • 第8题：

    单选题
    Which background process coordinates the rebalance activity for disk groups？（）
    A

     ORBn

    B

     OSMB

    C

     RBAL

    D

     ASMn


    正确答案： D
    解析： 暂无解析

  • 第9题：

    多选题
    Which two are the uses of the ASM metadata backup and restore （AMBR） feature？（）
    A

    It can be used to back up all data on ASM disks.

    B

    It can be used to recover the damaged ASM disk group along with the data.

    C

    It can be used to gather information about a preexisting ASM disk group with disk paths，disk name，failure groups，attributes templates，and alias directory structure.

    D

    It can be used to re-create the ASM disk group with its attributes.


    正确答案： D,C
    解析： 暂无解析

  • 第10题：

    多选题
    You are managing an Oracle 11g database with ASM storage, for which the COMPATIBLE initialization parameter is set to 11.1.0. In the ASM instance, the COMPATIBLE.RDBMS attribute for the disk group is set to 10.2 and the COMPATIBLE.ASM attribute is set to 11.1. Which two statements are true in this scenario for the features enabled for ASM? （）
    A

    The ASM-preferred mirror read feature is enabled.

    B

    The ASM supports variable sizes for extents of 1, 8, and 64 allocation units.

    C

    The ASM disk is dropped immediately from a disk group when it becomes unavailable.

    D

    The RDBMS always reads the primary copy of a mirrored extent of the ASM disk group.


    正确答案： D,B
    解析： 暂无解析

  • 第11题：

    单选题
    You are the Database Administrator for WonderWeb， which has recently acquired a media company TXGlobal. You have been assigned the task to migrate all the database applications of TXGlobal to the database server of WonderWeb. To accommodate more database applications， you need to add disks to the existing disk group. Whenever you add or remove disks from the disk group， Automatic Storage Management （ASM） rebalancing distributes the data evenly across all the disks of the disk group. Which background process performs this actual rebalancing activity， resulting in the movement of data extents in the disk groups？（）
    A

     ASMB

    B

     ARBn

    C

     RBAL in the ASM instance

    D

     RBAL in the database instance


    正确答案： C
    解析： 暂无解析

  • 第12题：

    多选题
    You are managing an Oracle Database 11g instance and an Oracle Database 10g instance on the same machine. Both instances use the ASM instance as storage. Which statement regarding the ASM disk group compatibility attributes are true in this scenario？（）
    A

    The database-compatibility version settings for each instance must be greater than or equal to the RDBMS compatibility of all ASM disk groups used by that database instances.

    B

    RDBMS compatibility and the database version determines whether a database instance can mount the ASM disk group.

    C

    The RDBMS compatibility settings for a disk group control the format of data structures for ASM metadata on the disk.

    D

    ASM compatibility controls which features for the ASM will be enabled.


    正确答案： D,B
    解析： 暂无解析

  • 第13题：

    What is the net effect of the following command？（）   alter diskgroup dgroup1 drop disk abc；

    • A、 The disk ABC will be dropped from the disk group. Since you did not issue a rebalance command，the data on that disk will be lost.
    • B、 The command will raise an error indicating that you need to rebalance the disk group to remove the data from that disk prior to dropping the disk.
    • C、 The disk group will be automatically rebalanced during the drop operation. Once the rebalancing is complete，the disk will be dropped.
    • D、 This command will fail because you cannot drop a specific disk in an ASM disk group.
    • E、 The disk drop command will be suspended for a predetermined amount of time，waiting for you to also issue an alter diskgroup rebalance command. Once you have issued the rebalance command，ASM will proceed to rebalance the disk group and then drop the disk.

    正确答案:C

  • 第14题：

    You are managing an Oracle 11g database with ASM storage, for which the COMPATIBLE initialization parameter is set to 11.1.0. In the ASM instance, the COMPATIBLE.RDBMS attribute for the disk group is set to 10.2 and the COMPATIBLE.ASM attribute is set to 11.1. Which two statements are true in this scenario for the features enabled for ASM? （）

    • A、The ASM-preferred mirror read feature is enabled.
    • B、The ASM supports variable sizes for extents of 1, 8, and 64 allocation units.
    • C、The ASM disk is dropped immediately from a disk group when it becomes unavailable.
    • D、The RDBMS always reads the primary copy of a mirrored extent of the ASM disk group.

    正确答案:A,B

  • 第15题：

    You are the Database Administrator for WonderWeb， which has recently acquired a media company TXGlobal. You have been assigned the task to migrate all the database applications of TXGlobal to the database server of WonderWeb. To accommodate more database applications， you need to add disks to the existing disk group. Whenever you add or remove disks from the disk group， Automatic Storage Management （ASM） rebalancing distributes the data evenly across all the disks of the disk group. Which background process performs this actual rebalancing activity， resulting in the movement of data extents in the disk groups？（）  

    • A、 ASMB
    • B、 ARBn
    • C、 RBAL in the ASM instance
    • D、 RBAL in the database instance

    正确答案:B

  • 第16题：

    As shown in the diagram, in-memory statistics are transferred to the disk at regular intervals. Which background process performs this activity?（）

    • A、CKPT
    • B、SMON
    • C、MMON
    • D、DBWR

    正确答案:C

  • 第17题：

    You are managing an Oracle Database 11g ASM instance having three disks in a disk group with ASM compatibility attribute set to 11.1.0 and redundancy set to high. One of the disks in the disk group becomes unavailable because of power failure.  Which statements will be true in this scenario？（）

    • A、 The disk is immediately dropped from the disk group.
    • B、 The ASM tracks the extents that are modified during the outa
    • C、 The ASM migrates the extents from the unavailable disk to the remaining disks.
    • D、 The disk automatically goes offline.

    正确答案:B,D

  • 第18题：

    Which two statements are true regarding an Automatic Storage Management (ASM) instance?（） (Choosetwo.)

    • A、As ASM instance mounts an ASM control file
    • B、An ASM instance uses the ASMB process for rebalancing of disks within a disk group
    • C、Automatic Memory Management is enabled in an ASM instance even when the MEMORY_TARGET parameter is not set explicitly
    • D、An RDBMS instance gets connected to an ASM instance using ASMB as a foreground process when the database instance is started

    正确答案:C,D

  • 第19题：

    You have set Tablespace Full Metrics Threshold values for the USERS tablespace as follows： Warning （%）： 90  Critical （%）： 95  Which background process is responsible for issuing alerts when the threshold is crossed（）

    • A、System monitor （SMON）
    • B、Process monitor （PMON）
    • C、Memory manager process （MMAN）
    • D、Manageability Monitor process （MMON）

    正确答案:D

  • 第20题：

    单选题
    Which statement is true about the Manageability Monitor （MMON） background process（）
    A

    It transfers statistics from memory to disk at regular intervals.

    B

    It coordinates the rebalance activity for disk groups when ASM is used.

    C

    It communicates with the Automatic Storage Management （ASM） instance on behalf of the database Instance.

    D

    It performs dynamic memory management when Automatic Shared Memory Management is enabled for the Database instance


    正确答案： D
    解析： 暂无解析

  • 第21题：

    单选题
    Your database is configured on non-ASM disk storage. You need to migrate your database to ASM disk storage.  Which statement is true about migrating from non-ASM disk storage to ASM disk storage？（）
    A

     You can use the operating system utility to migrate from non-ASM disk storage to ASM disk storage.

    B

     You cannot perform a database backup from non-ASM disk storage to tape and then move it to ASM disk storage.

    C

     You can use the SWITCH DATABASE TO COPY Recovery Manager （RMAN） command to switch back to non-ASM disk storage if you have not deleted your original datafiles.

    D

     You cannot use Recovery Manager （RMAN） to migrate from non-ASM disk storage to ASM disk storage if you are not using RMAN for your backup and recovery strategies.


    正确答案： B
    解析： 暂无解析

  • 第22题：

    单选题
    Which statement is true about the Manageability Monitor （MMON） background proces（）
    A

    It transfers statistics from memory to disk at regular intervals.

    B

    It coordinates the rebalance activity for disk groups when ASM is used.

    C

    It communicates with the Automatic Storage Management （ASM） instance on behalf of the databaseinstance.

    D

    It performs dynamic memory management when Automatic Shared Memory Management is enabledfor the database instance.


    正确答案： B
    解析： 暂无解析

  • 第23题：

    多选题
    You are managing an Oracle Database 11g ASM instance having three disks in a disk group with ASM compatibility attribute set to 11.1.0 and redundancy set to high. One of the disks in the disk group becomes unavailable because of power failure.  Which statements will be true in this scenario？（）
    A

    The disk is immediately dropped from the disk group.

    B

    The ASM tracks the extents that are modified during the outa

    C

    The ASM migrates the extents from the unavailable disk to the remaining disks.

    D

    The disk automatically goes offline.


    正确答案： C,B
    解析： 暂无解析

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