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1z0-902 – Oracle Exadata Database Machine X9M Implementation Essentials

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Showing 1–3 of 10 questions

Question 1

I/O performance of the prod database on your Exadata Database Machine has degraded slightly over the past month. The database has been allocated to the OLTP I/O Resource Management (IORM) category.

Which two monitoring tools might be useful in examining I/O performance for the prod database?

Select all that apply, then click Submit answer.

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    OS I/O metrics using Enterprise Manager host pages for the storage servers
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    OS I/O metrics using OS tools such as iostat on the database servers
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    I/O-specific dynamic performance views such as v$iostat_fiie, v$iostat_function, and v$iostat_consumer_group from the prod
    database instances using SQL *p1us
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    cellcli (or exacli/exadcli) to examine storage server metrics such as database, category, ceiidisk, and griddisk
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    OS I/O metrics using OS tools such as iostat on the storage servers
Question 2

Which two activities are supported on the storage servers in an Exadata Database Machine?

Select all that apply, then click Submit answer.

  • ○

    changing the root password
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    upgrading a device driver for hard disks when inserting a replacement disk after a hard disk failure
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    installing an alternative package manager
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    upgrading the Storage Server software package using rpm
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    configuring secure shell user equivalency for the cellmonitor user
Question 3

You have been tasked with replacing a memory module of an Exadata Storage Server and need to power off the affected storage server. Which two commands must you execute to safely power off the storage server in an Exadata X9M Database Machine?

Select all that apply, then click Submit answer.

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    CeLLCLI> alter cell shutdown SERVICES all on the affected storage server
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    CeLLCLI> list GRIDDISK where status != 'inactive' on the affected storage server
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    'crsct1 stop cluster -all' on one of the database servers
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    CellCLI LIST GRIDDISK ATTRIBUTES name WHERE asmdeactivationoutcome != 'Yes' on the affected Storage server
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    CellCLI alter GRIDDISK all inactive on the affected storage server
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    shutdown -h now' on the affected storage server