Most Recent Oracle 1Z0-902 Exam Questions & Answers

Prepare for the Oracle Exadata Database Machine X9M Implementation Essentials exam with our extensive collection of questions and answers. These practice Q&A are updated according to the latest syllabus, providing you with the tools needed to review and test your knowledge.

QA4Exam focus on the latest syllabus and exam objectives, our practice Q&A are designed to help you identify key topics and solidify your understanding. By focusing on the core curriculum, These Questions & Answers helps you cover all the essential topics, ensuring you're well-prepared for every section of the exam. Each question comes with a detailed explanation, offering valuable insights and helping you to learn from your mistakes. Whether you're looking to assess your progress or dive deeper into complex topics, our updated Q&A will provide the support you need to confidently approach the Oracle 1Z0-902 exam and achieve success.

The questions for 1Z0-902 were last updated on Dec 17, 2024.

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Question No. 1

You have been notified by your Network Administrator that an upstream switch has been replaced due to a hardware fault. Which command verifies that the client network on your Exadata X9M-2 Database Server is available via both client switches?

Aifconfig -a legrep 're0| re1'

B/opt/oracle.SupportTools/ibdiagtools/checkbadlinks.p1 ---all

Cnetstat -rn

Dcat /proc/net/bonding/bondeth0

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Correct Answer: B

Question No. 2

You want to monitor how a large production table is accessed. Especially, you are interested to see how the access on that particular table leverages the benefits of the Exadata Platform.

Which two actions are NOT appropriate for that purpose?

AYOU query VSSYSTEM_EVENTS and filter for the event 'cell physical IO interconnect bytes returned by smart scan', associated to your table.

BYou query v$segment_statistics and filter for the Object ID of your table from dba_objects and the the column STATISTIC_NAME='optimized physical reads'.

CYou query v$SYSTAT and filter for the statistic 'cell smart table scan', associated to your table.

DYou run the CellCli-command list activerequest , filtering for the attributes ioReason and objectNumber, that you specify as 'Smart Scan' and the Object ID of your table from DBA_OBJECTS.

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Correct Answer: A, B

Question No. 3

Which three statements are true about the CELLCLI command?

AIt can execute commands on multiple storage servers in parallel.

BIt has command-line history.

CIt requires root privileges to create CELLDISKS and GRIDDISKS.

DIt can be executed on storage servers.

EIt can be executed using the DCLI utility.

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Correct Answer: B, D, E

The CellCLI utility supports command-line history.

Each Exadata Storage cell can be monitored, configured, and maintained using the cellcli command line interface.

The dcli utility facilitates centralized management across an Oracle Exadata Storage Server Software realm by automating the execution of CellCLI commands on a set of cells and returning the output to the centralized management location where the dcli utility was run.

References: http://docs.oracle.com/cd/E80920_01/SAGUG/exadata-storage-server-cellcli.htm

Question No. 4

Which two statements are false about backup to ZFS Storage Appliance (ZFSSA)?

AZFSSA may connect directly to the Exadata 100Gb RoCE network switches.

BTop of Rack (ToR) switches are managed as part of the hardware stack and software levels are upgraded during the patching process.

CWhen backing up multi-rack systems, sharing Exadata X9M switches is recommended.

DZFS Snapshots can provide rapid cloning of development and test environment.

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Correct Answer: A, B

Question No. 5

Which two statements are true in regards to starting the Exadata Virtual Machine?

ATo see Oracle Linux boot messages during guest startup, use ---console option with the vm_maker ---start-domain command.

BUse vm_maker ---start-domain to start a virtual machine manually.

CUse vm_maker boot-from-iso command to boot a virtual machine.

DTo streamline the diagnosis of virtual machines, one ISO file is used for multiple Oracle Exadata System Software releases.

EUse vm_maker ---auto-start command to configure a virtual machine to start automatically when the KVM host is started.

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Correct Answer: C, E

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