100% PASS 2025 ORACLE 1Z1-902: NEW ORACLE EXADATA DATABASE MACHINE X8M IMPLEMENTATION ESSENTIALS PRACTICE MATERIALS

100% Pass 2025 Oracle 1z1-902: New Oracle Exadata Database Machine X8M Implementation Essentials Practice Materials

100% Pass 2025 Oracle 1z1-902: New Oracle Exadata Database Machine X8M Implementation Essentials Practice Materials

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Oracle Exadata Database Machine X8M is a high-performance database system that is designed to deliver extreme performance for mission-critical workloads. This system is specifically designed to provide maximum performance, scalability, and availability for Oracle Database workloads. The Oracle Exadata Database Machine X8M combines the latest hardware and software technologies, including Oracle Database, Oracle Exadata Storage Server, and Oracle Exadata Database Server, to deliver unmatched performance and scalability. By earning the Oracle 1Z0-902 certification, professionals can demonstrate their ability to implement and manage this powerful database system, which is in high demand among organizations that require high-performance, mission-critical database solutions.

Oracle 1Z0-902 exam is a certification offered by Oracle for individuals seeking to demonstrate their expertise in implementing and maintaining Oracle Exadata Database Machine X8M. 1z1-902 Exam is designed to test the candidate’s knowledge in various areas such as database administration, performance tuning, backup and recovery, and security. Oracle Exadata Database Machine X8M Implementation Essentials certification is a valuable asset for IT professionals who are looking to advance their career in Oracle database management.

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Oracle Exadata Database Machine X8M Implementation Essentials Sample Questions (Q44-Q49):

NEW QUESTION # 44
You use Enterprise Manager to monitor all the components of your Exadata Database Machine.
Recently, you discovered that certain asmdisks were offline in one of the diskgroups used by the rac database called prod.
In which two sources would you find diagnostic messages related to this problem?

  • A. alert logs for the ASM instances
  • B. Enterprise Manager Alerts on the Exadata Storage Server Grid home page
  • C. Enterprise Manager Alerts on the ILOM home page for cell connectivity problems for the prod database instances
  • D. alert logs for the prod database instances
  • E. alert logs for Enterprise Manager

Answer: B,C


NEW QUESTION # 45
Exadata X9M enables virtualization using KVM. Which statement is true about virtualization on Exadata X9M?

  • A. Virtual guests from X8 and earlier can be migrated to X9M using VM Guard.
  • B. Up to 12 virtual guests per X9M-2 database server are supported.
  • C. Up to 12 virtual guests per X9M-2 database server are supported. If the database server memory has 384GB and Exadata Secure RDMA Fabric isolation is configured 8 guests are supported
  • D. Exadata X9M-8 supports up to 48 virtual guests regardless if Exadata Secure RDMA Fabric Isolation is configured.
  • E. Oracle KVM Manager should be installed on at least two Database servers per Exadata rack.

Answer: B

Explanation:
Oracle Exadata X9M-2 supports virtualization through Kernel-based Virtual Machine (KVM), enabling multiple virtual machines (VMs) to run on each database server. Specifically:
Each X9M-2 database server can support up to 12 virtual guests. This number provides ample flexibility for running various applications or Oracle Real Application Clusters (RAC) instances across virtualized environments .
While Exadata X9M-8 supports even more extensive virtualization, this question focuses on the X9M-2 model. The specified limitation of 12 guests per database server considers both system resource allocation and performance optimization .


NEW QUESTION # 46
Which three statements are true about Oracle Configuration Manager (OCM) for an Exadata Database Machine?

  • A. It is mandatory to install OCM on all database servers.
  • B. Collected configuration information can be uploaded manually to Oracle.
  • C. It collects configuration information automatically.
  • D. It is mandatory to install OCM on at least one database server.
  • E. It collects configuration information on demand.
  • F. Collected configuration information can be uploaded automatically to Oracle.

Answer: A,B,D

Explanation:
According to the Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book and Resources, OCM is mandatory to install on at least one database server and can be used to collect configuration information on demand. The collected information can then be uploaded either manually or automatically to Oracle.


NEW QUESTION # 47
You are planning the monitoring configuration for your Exadata X9M Database Machine.
Which three components are monitored directly through the use of Exadata-specific Enterprise Manager Plug-Ins?

  • A. the RDMA over Converged Ethernet (RoCE) switches
  • B. the storage server ILOM
  • C. Hybrid Columnar Compression (HCC) ratios on Extended (XT) storage servers
  • D. ASM instances
  • E. the Power Distribution Units (PDUs)
  • F. Oracle clusterware on the database server

Answer: C,D,F

Explanation:
Exadata-specific Enterprise Manager Plug-Ins are used to monitor different components of the Exadata Database Machine.
1. ASM instances: The Automatic Storage Management (ASM) instances can be monitored directly through the use of Exadata-specific Enterprise Manager Plug-Ins. This allows you to monitor the storage space, disk usage, and performance of the ASM instances.
2. Hybrid Columnar Compression (HCC) ratios on Extended (XT) storage servers: The HCC ratios on Extended (XT) storage servers can be monitored directly through the use of Exadata-specific Enterprise Manager Plug-Ins. This allows you to monitor the compression ratios and performance of the storage servers.
3. Oracle clusterware on the database server: The Oracle clusterware on the database server can be monitored directly through the use of Exadata-specific Enterprise Manager Plug-Ins. This allows you to monitor the health and performance of the clusterware.


NEW QUESTION # 48
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$SYSTAT and filter for the statistic 'cell smart table scan', associated to your table.
  • B. You run the CellCli-command list activerequest , filtering for the attributes ioReason and objectNumber, that you specify as 'Smart Scan' and the Object ID of your table from DBA_OBJECTS.
  • C. You query v$segment_statistics and filter for the Object ID of your table from dba_objects and the the column STATISTIC_NAME='optimized physical reads'.
  • D. YOU query VSSYSTEM_EVENTS and filter for the event 'cell physical IO interconnect bytes returned by smart scan', associated to your table.

Answer: C,D

Explanation:
The two actions that are not appropriate for monitoring how a large production table is accessed in order to leverage the benefits of the Exadata Platform are A) querying VSSYSTEMEVENTS and filtering for the event 'cell physical IO interconnect bytes returned by smart scan', associated to your table; and B) querying v$segmentstatistics and filtering for the Object ID of your table from dbaobjects and the the column STATISTICNAME='optimized physical reads'. Instead, you should query v$SYSTAT and filter for the statistic 'cell smart table scan', associated to your table (C), or 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). These two methods are outlined in the Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book (Chapter 8, Monitoring the Exadata Database Machine).


NEW QUESTION # 49
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