Free 1z0-078 – Oracle Certification Practice Test Question

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  To create an ADVM volume, disk group attributes COMAPTIBLE.ASM and COMPATIBLE.ADVM must be minimally set to 12.1.

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  An ADVM volume is individually named and can contain only one file system.

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  Only one ADVM volume can be created in an ASM disk group.

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  ADVM extends ASM by providing a device driver interface to storage backed by an ASM disk group.

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  File systems contained in ADVM volumes may only contain database files.
  
  

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  ACFS auditing information is replicated from the primary file system to the standby file system.

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  One site of an ACFS replication configuration can be host both primary and standby file systems.

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  Replication is automatically terminated if the primaries file system has less than 2GB free space.

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  Standby redo log files are required on the standby site for synchronous redo transport.

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  The privilege SYSREPL has been introduced for ACFS replication.
  
  

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  COMAPTIBLE.ASM and COMPATIBLE.ADVM must be set to 11.2 or higher for the DATA disk group.

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  The DATA disk group must not be created with external redundancy.

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  The DATA disk group must not contain any other volume.

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  The DATA disk group must have at least three failure groups.

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  The DATA disk group must have an AU size of 1MB.
  
  

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  They exist both in ASM and RDBMS instances, and display the same output.

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  Their names can be seen in dict when connected to an ASM instance.

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  Their names can be seen in vfixed_table when connected to an instance of any type that is started.

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  They exist in both in ASM and RDBSM instances, but they can display different outputs depending on the instance type.

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  gvasm_attribute can be used to display the ASM_POWER_LIMIT attribute of all ASM instances in the cluster.
  
  

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  Default data file templates are only created by ASM when a normal redundancy disk group is created.

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  Default template settings for redundancy depends on the disk group redundancy.

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  Default templates for a disk group can be modified.

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  Default template setting for striping depends on disk group redundancy.

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  Templates may be shared across disk groups.
  
  

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  An ASM instance and database instances can coexist on the same hub node.

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  A database instance on a hub node can be a client of an ASM instance running on any leaf node.

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  A database instance on a hub node can be a client of an ASM instance running on any hub node.

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  A database instance on a leaf node can be a client of an ASM instance running on any hub node.

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  A database instance on a hub node uses an ASM instance as an I/O server when requesting I/O to diskgroups.

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  ASM Cluster File System (ASFS) can only be deployed on hub nodes.
  
  

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  Oracle databases from releases older than 12c cannot use Flex ASM.

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  ACFS may only be configured on a hub node running an ASM instance.

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  Instances of ASM-based databases on hosts that have no ASM instance running, require Flex ASM.

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  Flex ASM requires that I/Os requests be sent through an ASM Proxy Instance, regardless of database and ASM instance placement in a cluster.

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  Hub nodes with connections from multiple leaf nodes must run an ASM instance.
  
  

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  You can create subdirectories under the USERS directory.

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  You cannot rename a user-created subdirectory.

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  You cannot drop a directory containing aliases unless you delete the aliases first.

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  You cannot create a user-defined directory at the root (+) level.

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  You cannot create a nested subdirectory /USER1/2014 under USERS with a single CREATE DIRETORY command even if directory USER1 doesn’t exist.
  
  

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  Application VIP

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  DHCP

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  ExportFS

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  HAVIP

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  NFS

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  HAIP
  
  

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  amscmd lsop

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  v$asm_disk

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  v$asm_operation

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  v$asm_diskgroup

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  v$session_longops

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  amscmd lsdg