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Exam Oracle Exadata X5 Administration
Number 1z0-070
File Name Oracle.PracticeTest.1z0-070.2017-12-11.1e.49q.vcex
Size 373 Kb
Posted December 11, 2017
Downloads 33



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Demo Questions

Question 1
Which three are true about Exadata Smart Flash Log?

  • A: Databases on the Database Machine use Exadata Smart Flash Log by default.
  • B: I/O Resource Manager database plans can be used to enable or disable Exadata Smart Flash Log for individual databases.
  • C: LGWR will not wait for writes to Exadata Smart Flash Log if the write to a disk-based logfile completes first.
  • D: I/O Resource Manager category plans can be used to enable or disable Exadata Smart Flash Log for different I/O categories.
  • E: The use of Exadata Smart Flash Logs is mandatory for support of production databases.



Question 2
Which components of an Exadata storage server image, if updated, may require that a patch also be applied to the database servers in an Exadata X6 Database Machine?

  • A: Linux operating system on the storage server
  • B: InfiniBand HCA firmware on the storage server
  • C: Storage server hard disk device drivers
  • D: Storage server flash device drivers



Question 3
Which two statements are true about the use of DBFS, ACFS, and external file systems and components in an X5 Database Machine environment?

  • A: ACFS uses storage in a database on the database machine
  • B: DBFS supports file system snapshots.
  • C: ACFS supports file system snapshots.
  • D: Storage Area Network (SAN) –based file systems may be accessed directly from the storage servers in a database machine.
  • E: Oracle Sun ZFS Storage Appliance- based files are not automatically protected by Data Guard.



Question 4
Which two are true about sparse griddisks and their use in disk groups on an X5 Exadata Database Machine?

  • A: Sparse diskgroups must be created using sparse griddisks.
  • B: Sparse diskgroups may be created using a combination of sparse and non-sparse griddisks.
  • C: Sparse diskgroups may not be used for database snapshots.
  • D: Additional space for a sparse griddisk is allocated as soon as newly written data is stored in the flashcache on a cell.
  • E: The virtual size of a sparse griddisk may exceed the physical size of the space occupied by the griddisk.



Question 5
You installed ASR Manager on a stand-alone server and configured Auto Service Request (ASR) for your X5 Database Machine and its assets. 
Which three statements are true about this configuration?

  • A: Simple Network Management Protocol (SNMP) traps are used to send notifications from database servers to the ASR Manager.
  • B: Simple Network Management Protocol (SNMP) traps are used to send notifications from storage servers to the ASR Manager.
  • C: When a component fault occurs, fault telemetry is securely transmitted to Oracle via Simple Network Management Protocol (SNMP).
  • D: When a component fault occurs, fault telemetry is securely transmitted to Oracle via HTTPS.
  • E: Simple Network Management Protocol (SNMP) traps are used to send notifications from the Enterprise Manager to the ASR Manager.
  • F: Simple Network Management Protocol (SNMP) traps received by ASR Manager are forwarded to the Enterprise Manager.



Question 6
Which two statements are true about RMAN incremental level-1 backups for a database running on an X5 Database Machine?

  • A: Block Change tracking (BCT) is not needed for databases in an X5 Database Machine, because ASM automatically does block change tracking when diskgroups are built from griddisks.
  • B: cellsrv filters blocks and returns only those that have changed since the last backup, for databases in archivelog mode.
  • C: cellsrv returns all blocks that have been or might have been changed since the last backup, and RMAN filters the blocks that do not require backup.
  • D: cellsrv filters blocks and returns only those that have changed since the last backup, for databases in noarchivelog mode.
  • E: Block Change Tracking (BCT) is not needed for databases in an X5 Database Machine, because change tracking is done by cellsrv.



Question 7
Which three statements are true about Exadata storage server alerts in an X5 Database Machine?

  • A: Storage server alerts notifications may be sent using SNMP.
  • B: A threshold- based alert gets cleared automatically when the measured value no longer violates the threshold.
  • C: A storage server alert is only ever issued as a warning or at a critical situation.
  • D: Storage server alerts are all stateless alerts.
  • E: Storage server alerts are all stateful alerts.
  • F: Storage server alerts notifications may be sent using SMTP.



Question 8
Which two statements are true about the X5 Exadata storage server rescue procedure?

  • A: The rescue procedure can be executed from the CELLBOOT USB flash drive.
  • B: An Exadata storage server automatically enters the rescue environment when it cannot boot from the system area.
  • C: The rescue procedure can be used to repair corruption in an ASM diskgroup.
  • D: The rescue procedure can be used to restore a corrupt system area.
  • E: The rescue procedure must be used to recover from a failed Exadata storage server software upgrade.



Question 9
Which two statements are true about backup performance when using Recovery Manager (RMAN) on an X5 Database Machine?

  • A: Backups are fast because the Infiniband network is faster than fiber channel storage, so RMAN read I/O operations are faster than in traditional storage networks.
  • B: Backups are fast, because physical I/Os operations are reduced by the use of the Storage Index by cellsrv.
  • C: Backups are fast, because data blocks are read from the Database Flash Cache.
  • D: Backups are fast, because all data blocks are read from the Exadata Smart Flash Cache.
  • E: For incremental backups using Block Change Tracking, cellsrv filters blocks and returns only those that have changed since the last backup.



Question 10
In which scenario will griddisks residing on the same celldisk have balanced performance characteristics in an X5 High Capacity Exadata Storage Server?

  • A: griddisks on memory based celldisks
  • B: griddisks on hard disk-based celldisk consumed by ASM when creating diskgroups using ASM-based Intelligent Data Placement (IDP)
  • C: griddisks on hard disk-based celldisks consumed by the Database Smart Flash Cache
  • D: griddisks on Flash-based celldisks









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