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

题目
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.

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相似问题和答案

第1题:

You work as a database administrator at Certkiller .com. Your production database uses an Automatic Storage Management (ASM) instance to manage its files. You want to add a new disk group to the ASM instance to manage the increased data load. What action would you perform to include the new disk group in the ASM instance without causing any impact on the currently connected users?()

  • A、 mount the new disk group in the ASM instance
  • B、 restart the ASM instance and the production database instance
  • C、 register the new disk groups in the production database instance
  • D、 restart the ASM instance without restarting the production database instance
  • E、 include the new disk group in the ASM_DISKSTRING parameter in the parameter file and restart the ASM instance

正确答案:A

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:

You are managing an Oracle Database 11g ASM instance with a disk group dg01 having three disks. One of the disks in the disk group becomes unavailable because of power failure. You issued the following command to change the DISK_REPAIR_TIME attribute from 3.6 hours to 5 hours:ALTER DISKGROUP dg01 SET ATTRIBUTE ‘disk_repair_time‘ = ‘5h‘;To which disks in the disk group will the new value be applicable?()

A. all disks in the disk group

B. all disks that are currently in OFFLINE mode

C. all disks that are not currently in OFFLINE mode

D. all disks in the disk group only if all of them are ONLINE


参考答案:C

第4题:

You are managing Oracle Database 11g with an ASM storage with high redundancy. The following command was issued to drop the disks from the dga disk group after five hours:   ALTER DISKGROUP dga OFFLINE DISKS IN FAILGROUP f2 DROP AFTER 5H;   Which statement is true in this scenario?()

  • A、 It starts the ASM fast mirror resync.
  • B、 All the disks in the dga disk group would be OFFLINE and the DISK_REPAIR_TIME disk attribute would be set to 5 hours.
  • C、 It drops all disk paths from the dga disk group.
  • D、 All the disks in the dga disk group in failure group f2 would be OFFLINE and the DISK_REPAIR_TIME disk attribute would be set to 5 hours.

正确答案:D

第5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6题:

You are managing an Oracle Database 11g ASM instance with a disk group dg01 having three disks. One of the disks in the disk group becomes unavailable because of power failure. You issued the following command to change the DISK_REPAIR_TIME attribute from 3.6 hours to 5 hours: ALTER DISKGROUP dg01 SET ATTRIBUTE 'disk_repair_time' = '5h'; To which disks in the disk group will the new value be applicable?()

  • A、all disks in the disk group
  • B、all disks that are currently in OFFLINE mode
  • C、all disks that are not currently in OFFLINE mode
  • D、all disks in the disk group only if all of them are ONLINE

正确答案:C

第7题:

You are managing an Oracle Database 11g database with the ASM storage. The database is having big file tablespaces. You want files to open faster and less memory to be used in the shared pool to manage the extent maps.  What configuration would you effect to achieve your objective?()  

  • A、 Set the ASM compatibility attribute for the ASM disk group to 11.1.0.
  • B、 Set the RDBMS compatibility attribute for the ASM disk group to 11.1.0.
  • C、 Set the COMPATIBLE initialization parameter for the ASM instance to 11.1.0.
  • D、 Set the COMPATIBLE initialization parameter for the database instance to 11.1.0.

正确答案:A,D

第8题:

You support Oracle Database 12c Oracle Database 11g, and Oracle Database log on the same server.All databases of all versions use Automatic Storage Management (ASM).Which three statements are true about the ASM disk group compatibility attributes that are set for a disk group?()

A. The ASM compatibility attribute controls the format of the disk group metadata.

B. RDBMS compatibility together with the database version determines whether a database Instance can mount the ASM disk group.

C. The RDBMS compatibility setting allows only databases set to the same version as the compatibility value, to mount the ASM disk group.

D. The ASM compatibility attribute determines some of the ASM features that may be used by the Oracle disk group.

E. The ADVM compatibility attribute determines the ACFS features that may be used by the Oracle 10g database.


参考答案:A, B, D

第9题:

Your production database uses an Automatic Storage Management (ASM) instance to manage its files. You want to add a new disk group to the ASM instance to manage the increased data load. What action would you perform to include the new disk group in the ASM instance without causing any impact on the currently connected users?()

  • A、mount the new disk group in the ASM instance
  • B、restart the ASM instance and the production database instance
  • C、register the new disk groups in the production database instance
  • D、restart the ASM instance without restarting the production database instance
  • E、include the new disk group in the ASM_DISKSTRING parameter in the parameter file and restart the ASM instance

正确答案:A

第10题:

The ORACLE_SID environment variable is set to +ASM. ASMLIB is not used in the configuration. You executed the following command to startup the Automatic Storage Management (ASM) instance. SQL> STARTUP; Which two activities are performed during a successful start up operation? ()(Choose two.)

  • A、The databases configured to use the ASM instance are mounted
  • B、The disk groups are mounted as per the ASM_DISKGROUPS initialization parameter
  • C、ASM starts the Oracle Cluster Synchronization Services (CSS) daemon if it is not started
  • D、ASM discovers and examines the contents of all files that are in the paths specified in the ASM_DISKGROUPS initialization parameters

正确答案:B,C

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