1z1-902 Exam Answers & 1z1-902 Books PDF

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Oracle 1Z0-902 certification exam is designed to test the skills and knowledge of IT professionals who are responsible for implementing and managing the Oracle Exadata Database Machine X8M. Oracle Exadata Database Machine X8M Implementation Essentials certification exam is intended for individuals who have experience working with Oracle database systems and want to enhance their expertise in implementing and managing Exadata Database Machine X8M.

Oracle 1z1-902 exam is an essential certification exam for IT professionals who seek to specialize in the Oracle Exadata database machine X8M implementation. 1z1-902 Exam is designed to validate the skills and knowledge required to perform various tasks related to the installation, configuration, and maintenance of Oracle Exadata database machines. 1z1-902 exam also covers database administration and performance tuning techniques, making it a valuable certification for IT professionals who specialize in database management.

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Quiz The Best 1z1-902 - Oracle Exadata Database Machine X8M Implementation Essentials Exam Answers

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Oracle Exadata Database Machine X8M Implementation Essentials Sample Questions (Q40-Q45):

NEW QUESTION # 40
Your customer needs to ensure that their data is available on the Exadata machine during updates. The customer wants to be able to update one server at a time but still be protected against single-node server failure.
What ASM redundancy level should they use?

A. Extended
B. High
C. Normal
D. Sparse
E. External

Answer: B

Explanation:
https://www.oracle.com/technetwork/database/exadata/maa-exadata-asm-cloud-3656632.pdf According to the Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book, the customer should use the High redundancy level for their ASM storage in order to ensure that their data is available on the Exadata machine during updates. The High redundancy level provides the most protection against single-node server failure, as it stores three copies of each data file on separate nodes. This is the same redundancy level used for the Oracle Database's Control Files and Redo Logs. Instructions for configuring the ASM redundancy level can be found in the book and can be referenced here: https://docs.oracle.com/cd/E80920_01/E80920/html/x9m_asm_overview.html.

NEW QUESTION # 41
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?

A. You query v$segment_statistics and filter for the Object ID of your table from dba_objects and the the column STATISTIC_NAME='optimized physical reads'.
B. You query v$SYSTAT and filter for the statistic 'cell smart table scan', associated to your table.
C. You 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.
D. YOU query VSSYSTEM_EVENTS and filter for the event 'cell physical IO interconnect bytes returned by smart scan', associated to your table.

Answer: A,D

NEW QUESTION # 42
Which two statements are true in regards to starting the Exadata Virtual Machine?

A. Use vm_maker -auto-start command to configure a virtual machine to start automatically when the KVM host is started.
B. To see Oracle Linux boot messages during guest startup, use -console option with the vm_maker -start-domain command.
C. Use vm_maker -start-domain to start a virtual machine manually.
D. To streamline the diagnosis of virtual machines, one ISO file is used for multiple Oracle Exadata System Software releases.
E. Use vm_maker boot-from-iso command to boot a virtual machine.

Answer: A,C

NEW QUESTION # 43
An Exadata storage server physical disk on an X9M-2 high-capacity full rack entered the predictive failure state. Which two steps must you perform to replace this failed physical disk?

A. Rebalance the data on the effected griddisks before performing a manual drop command.
B. Verify that the griddisks located on the physical disk have been successfully dropped from the associated ASM diskgroups.
C. Replace the failed physical disk.
D. Add the griddisks back into the ASM diskgroup they used to be a member of.
E. Create a new celldisk and new griddisks on the replaced physical disk.
F. Identify the griddisks located on the failed physical disk and drop them from the associated ASM diskgroups.

Answer: A,C

NEW QUESTION # 44
Which two statements are false about backup to ZFS Storage Appliance (ZFSSA)?

A. Top of Rack (ToR) switches are managed as part of the hardware stack and software levels are upgraded during the patching process.
B. ZFS Snapshots can provide rapid cloning of development and test environment.
C. ZFSSA may connect directly to the Exadata 100Gb RoCE network switches.
D. When backing up multi-rack systems, sharing Exadata X9M switches is recommended.

Answer: C,D

Explanation:
1. ZFS Storage Appliance (ZFSSA) can't connect directly to the Exadata 100Gb RoCE network switches. ZFSSA uses Fibre Channel protocol to connect to the Exadata storage cells. C. When backing up multi-rack systems, sharing Exadata X9M switches is not recommended. Each rack should have its own switches to minimize the risk of data loss due to switch failure.
Review the safety guidelines.
Unpack Oracle Exadata Rack.
Let the Exadata acclimatize for 24 hours.
Place Exadata in its allocated space.
Stabilize the Exadata Rack.
Power on Exadata PDU A.
Power on Exadata PDU B.
This order ensures that the necessary safety precautions are taken before installing the Exadata Database Machine, and that the machine is allowed to acclimate to its new environment before being powered on.

NEW QUESTION # 45
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1z1-902 Exam Answers & 1z1-902 Books PDF

Quiz The Best 1z1-902 - Oracle Exadata Database Machine X8M Implementation Essentials Exam Answers

Oracle Exadata Database Machine X8M Implementation Essentials Sample Questions (Q40-Q45):

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