EXAM 1Z1-902 PREVIEW - 100% PASS-SURE QUESTIONS POOL

Exam 1z1-902 Preview - 100% Pass-Sure Questions Pool

Exam 1z1-902 Preview - 100% Pass-Sure Questions Pool

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Oracle Exadata Database Machine X8M is a powerful database appliance that provides high performance, scalability, and reliability for mission-critical applications. It is designed to consolidate multiple databases and applications into a single machine, making it easier to manage and maintain. The machine is equipped with state-of-the-art hardware and software components, including flash storage, InfiniBand networking, and Oracle Database software.

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Oracle Exadata Database Machine X8M Implementation Essentials Sample Questions (Q49-Q54):

NEW QUESTION # 49
What is the minimum Exadata System Software version required for Exadata X9M?

  • A. 20.1.1.0.0
  • B. 19.2.1 0.0
  • C. 19.3.0.0.0
  • D. 21.3.0.0.0
  • E. 21.2.0.0.0
  • F. 18.1.3.0.0

Answer: E

Explanation:
The minimum Exadata System Software version required to support Oracle Exadata X9M is 21.2.0.0.0. This version introduced various enhancements and capabilities tailored for the X9M series, including optimizations for the RoCE network fabric and support for new hardware components .


NEW QUESTION # 50
What is the maximum DRAM capacity you can expand an X9M-2 DB Server?

  • A. 512GB
  • B. 384GB
  • C. 1024GB
  • D. 2048GB
  • E. 768GB
  • F. 1536GB

Answer: D


NEW QUESTION # 51
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. Use vm_maker -start-domain to start a virtual machine manually.
  • C. To see Oracle Linux boot messages during guest startup, use -console option with the vm_maker -start-domain command.
  • 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,B


NEW QUESTION # 52
An Exadata X9M-2 Elastic Rack with 4 Database Servers and 8 HC Storage Servers and 3-phase 24kVA PDUs is being installed in a Data Center. However, the Data Center is only providing enough power for a single cable from each PDU. Which statement is correct?

  • A. The installation can go ahead, no change is required.
  • B. The power cables from the servers to the PDUs can be rearranged inside the rack following OECA guidance to utilize a single PDU power cable.
  • C. A splitter cable can be used to provide power to all PDU cables.
  • D. The installation cannot proceed until two power feeds are available per PDU.

Answer: D

Explanation:
In order for an Exadata X9M-2 Elastic Rack to be installed, two power feeds are required for each of the three-phase 24kVA PDUs. A single cable from each PDU will not be enough to power the rack, and neither a splitter cable nor rearrangement of the power cables from the servers to the PDUs will be able to provide sufficient power for the system. Therefore, the installation cannot proceed until two power feeds are available per PDU.
For more information about power requirements for Exadata X9M-2 Elastic Racks, refer to the Oracle Exadata Database Machine X9M Implementation Essentials official text book and resources.
Search results: [1] Oracle Exadata Database Machine X9M-2 Full Rack Installation - Oracle Docs [2] Exadata Database Machine X8M-2 Mid-Size Rack Installation - Oracle Docs


NEW QUESTION # 53
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?

  • A. OS I/O metrics using Enterprise Manager host pages for the storage servers
  • B. OS I/O metrics using OS tools such as iostat on the database servers
  • C. cellcli (or exacli/exadcli) to examine storage server metrics such as database, category, ceiidisk, and griddisk
  • D. OS I/O metrics using OS tools such as iostat on the storage servers
  • E. 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

Answer: C,E

Explanation:
According to the Oracle documentation1, two monitoring tools that might be useful in examining I/O performance for the prod database are:
cellcli (or exacli/exadcli) to examine storage server metrics such as database, category, ceiidisk, and griddisk (D). This tool can help you monitor the I/O Resource Management (IORM) metrics and identify any bottlenecks or imbalances in the storage layer.
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 . These views can help you monitor the I/O activity and latency at the file, function, and consumer group level.


NEW QUESTION # 54
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