FREE PDF QUIZ ORACLE - 1Z1-902 - FANTASTIC ORACLE EXADATA DATABASE MACHINE X8M IMPLEMENTATION ESSENTIALS INSTANT DOWNLOAD

Free PDF Quiz Oracle - 1z1-902 - Fantastic Oracle Exadata Database Machine X8M Implementation Essentials Instant Download

Free PDF Quiz Oracle - 1z1-902 - Fantastic Oracle Exadata Database Machine X8M Implementation Essentials Instant Download

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Oracle Exadata Database Machine X8M is a high-performance database machine designed to deliver speed, efficiency, and security for mission-critical workloads. The machine combines hardware and software technologies that are specifically optimized for Oracle databases. With the Oracle 1z1-902 Exam, IT professionals can demonstrate their expertise in implementing and managing this powerful database machine, which is an essential skill in today's data-driven world.

Oracle Exadata Database Machine X8M is a high-performance system designed to deliver extreme performance, scalability, and availability for mission-critical workloads. It is a fully integrated system that combines hardware and software components to deliver a complete database solution. The Oracle 1Z0-902 certification exam covers a wide range of topics related to the implementation and management of the Oracle Exadata Database Machine X8M, including hardware and software architecture, configuration and management, database deployment, monitoring and troubleshooting, and backup and recovery.

Oracle Exadata Database Machine X8M Implementation Essentials Sample Questions (Q57-Q62):

NEW QUESTION # 57
Which two statements are true about applying updates on Exadata systems?

  • A. Failed storage server updates are automatically rolled back to a previous release.
  • B. When running a "yum update" for a new Exadata release, all other repositories should be disabled.
  • C. For regular Exadata updates, yum automatically installs a non-UEK kernel, which can be selected to boot from grub.
  • D. Failed database server updates are rolled back to a working state on a previous release automatically.
  • E. To speed up applying storage server updates in a rolling manner, updating two storage servers simultaneously is recommended.
  • F. Updating kernel and RDMA packages on storage cells should be prevented by excluding them with the yum -exclude option.

Answer: A,D

Explanation:
When applying updates on Exadata systems, database server updates are automatically rolled back to a working state on a previous release if the update fails. This ensures that the system can be restored to a working state in the event of a failed update. Additionally, storage server updates are also automatically rolled back to a previous release in the event of a failed update.
This is documented in the Oracle Exadata Database Machine X9M Implementation Essentials official text book and more information can be found on the Oracle support website [1][2].


NEW QUESTION # 58
Which two steps concise the path used to communicate with Enterprise Manager from an Exadata Database Machine?

  • A. SNMP traps for alerts are sent by the storage server ILOM to the storage server MS process.
  • B. SNM? traps for alerts are sent by the storage server ILOM to the Enterprise Manager agent.
  • C. SNMP traps for alerts are sent by the storage server MS process to the storage server ILOM.
  • D. SNMP traps for alerts are sent by the storage server RS process to the storage server ILOM.
  • E. SNMP traps for alerts are sent by the storage server ILOM to the storage server is process.
  • F. SNMP traps for alerts are sent by the storage server MS process to the Enterprise Manager agent.
  • G. SNMP traps for alerts are sent by the storage server RS process to the Enterprise Manager agent.

Answer: B,F

Explanation:
In an Exadata environment, the path of communication for SNMP traps involves:
Management Server (MS) Process to EM Agent: Alerts related to the storage server are generated by the MS process, which then forwards SNMP traps directly to the Enterprise Manager agent, allowing centralized monitoring and alert management.
ILOM to EM Agent: The ILOM on each Exadata storage server can independently send SNMP traps to the EM agent, providing additional hardware-level monitoring and alerting capabilities .
These pathways ensure that alerts from both hardware and software layers reach Enterprise Manager efficiently, supporting proactive management and rapid response to system issues.


NEW QUESTION # 59
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. External
  • C. Normal
  • D. Sparse
  • E. High

Answer: C

Explanation:
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. This means that they need a redundancy level that can tolerate at least one disk failure without losing data availability or performance. Therefore, the best option for them is normal redundancy . Normal redundancy provides two-way mirroring by default, which means that each data extent has a primary copy and a mirror copy on different disks in different failure groups1. A failure group is a subset of disks within a disk group that are likely to fail at the same time due to common dependencies2. On Exadata Database Machine , each Storage Server is considered as a failure group by default2. This means that if one Storage Server fails or needs to be updated , the data on its disks can still be accessed from another Storage Server that has the mirror copies of the same data extents2. Therefore, normal redundancy ensures data availability and performance during updates or single-node server failures.
https://docs.oracle.com/en/engineered-systems/exadata-database-machine/sagug/exadata-administering-asm.html


NEW QUESTION # 60
Which two statements are false about backup to ZFS Storage Appliance (ZFSSA)?

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

Answer: B,C


NEW QUESTION # 61
For which four component failures on an X9M Database Machine does Auto Service Request (ASR) raise service requests?

  • A. Cisco management switch
  • B. fans in the storage servers
  • C. RoCE network interface cards in the database servers
  • D. Cisco RDMA over Converged Ethernet (RoCE) switches
  • E. power distribution units
  • F. RoCE network interface cards in the storage servers
  • G. power supplies in the database servers

Answer: A,D,F,G


NEW QUESTION # 62
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