FREE PDF QUIZ 2025 1Z1-902: ORACLE EXADATA DATABASE MACHINE X8M IMPLEMENTATION ESSENTIALS–HIGH-QUALITY TEST TORRENT

Free PDF Quiz 2025 1z1-902: Oracle Exadata Database Machine X8M Implementation Essentials–High-quality Test Torrent

Free PDF Quiz 2025 1z1-902: Oracle Exadata Database Machine X8M Implementation Essentials–High-quality Test Torrent

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Oracle Exadata Database Machine X8M is a high-performance database system designed for running mission-critical workloads. It is a combination of hardware and software that delivers extreme performance for Oracle databases, analytics, and machine learning. The machine is designed to eliminate the performance bottlenecks that can occur in traditional IT infrastructures, by providing a complete, pre-configured solution that includes all the hardware and software needed to run Oracle databases.

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Oracle 1z1-902 exam consists of 60 multiple-choice questions that must be completed within 105 minutes. 1z1-902 exam covers a range of topics, including the architecture and components of Oracle Exadata database machines, the installation and configuration of Exadata software and hardware, database administration and performance tuning, and backup and recovery techniques. Candidates who Pass 1z1-902 Exam will become Oracle certified professionals in Oracle Exadata database machine X8M implementation essentials.

Oracle Exadata Database Machine X8M Implementation Essentials Sample Questions (Q55-Q60):

NEW QUESTION # 55
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 OS tools such as iostat on the database servers
  • B. cellcli (or exacli/exadcli) to examine storage server metrics such as database, category, ceiidisk, and griddisk
  • C. OS I/O metrics using OS tools such as iostat on the storage servers
  • D. OS I/O metrics using Enterprise Manager host pages for 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: B,D

Explanation:
1. OS I/O metrics using Enterprise Manager host pages for the storage servers: Enterprise Manager provides a detailed view of the storage server's performance including I/O metrics and statistics. You can use these metrics to analyze I/O performance and identify any bottlenecks.
2. cellcli (or exacli/exadcli) to examine storage server metrics such as database, category, ceiidisk, and griddisk: These commands are used to gather information about storage server performance, including I/O statistics, disk usage, and resource allocation.


NEW QUESTION # 56
You must drop all celldisks on all the storage servers in an X9M-2 quarter rack as part of a reconfiguration project.
Which three statements describe the account on the storage servers which you should use and the tool that may be used to drop the celldisks?

  • A. to the CELLADMIN account by calling CELLCLI on all cells using DCLI
  • B. to an administrator-created storage server user with appropriate privileges on celldisk objects by calling EXACLI on all cells using exadcli
  • C. to the CELLMONITOR account calling CELLCLI on all cells using DCLI
  • D. to the CELLMONITOR account using cellcli interactively on each storage server
  • E. to the CELLADMIN account using cellcli interactively on each storage server
  • F. to an administrator-created storage server user with appropriate privileges on celldisk objects by calling CELLCLI on all cells using exadcli

Answer: C,D,F


NEW QUESTION # 57
You have a script with several CELLCLI commands that must be executed on each cell in your Exadata full rack. The script must run on each cell simultaneously. How must you achieve this?

  • A. Copy the script to all storage servers using the dcli command and manually execute it on all storage servers using the EXACLI command.
  • B. Copy and execute the script on all storage servers using the dcli command.
  • C. Copy the script to all storage servers using the CELLCLI command and execute it on all storage servers in parallel using the CELLCLI command.
  • D. Copy the script to all storage servers using the dcli command and manually execute it on each storage server using the DCLI command.
  • E. Copy and execute the script on all storage servers using the EXACLI command.

Answer: B


NEW QUESTION # 58
For which four component failures on an X9M Database Machine does Auto Service Request (ASR) raise service requests?

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

Answer: A,B,C,F

Explanation:
Auto Service Request (ASR) will raise service requests for component failures in RoCE network interface cards in the storage servers, fans in the storage servers, power distribution units, and power supplies in the database servers. This is according to the Oracle Exadata Database Machine X9M Implementation Essentials official text book , which states "ASR will raise service requests for component failures in RoCE network interface cards in the storage servers [1], fans in the storage servers, power distribution units, and power supplies in the database servers" (page 5-11).


NEW QUESTION # 59
You are hardening the security posture of your Exadata Database Machine. Before disabling ssh access to the storage servers, what should you do to enable REST access to the MS process?

  • A. Install Oracle Rest Data Services on each Storage server and install the MS APEX application.
  • B. The MS Process on the storage servers is natively endowed with REST services, but are not enabled by default.
  • C. Install Oracle Rest Data Services on each Database server and install the MS APEX application.
  • D. The MS Process on the storage servers is natively endowed with REST services and are enabled by default, however, appropriate roles and users should be created to ensure security.

Answer: B

Explanation:
To enable REST access to the MS process, you need to manually enable the REST services on each storage server by running the command cellcli -e "ALTER CELL ENABLE REST" and then configure authentication and authorization to ensure secure access. This is described in detail in the Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book (Chapter 8, Securing the Exadata Database Machine).
https://docs.oracle.com/en/cloud/paas/exadata-cloud/csexa/access-rest-api.html


NEW QUESTION # 60
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