POSITIVE 1Z1-902 FEEDBACK, 1Z1-902 LATEST EXAM TEST

Positive 1z1-902 Feedback, 1z1-902 Latest Exam Test

Positive 1z1-902 Feedback, 1z1-902 Latest Exam Test

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Oracle Exadata Database Machine X8M is a high-performance and scalable database machine that is designed to handle large datasets and complex workloads. It is a powerful platform that combines hardware and software components to deliver exceptional performance and reliability. The Oracle Exadata Database Machine X8M is specifically designed to meet the demands of modern business applications that require high availability, scalability, and performance.

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

NEW QUESTION # 55
Which two statements are true about applying updates on Exadata systems?

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

Answer: A,E


NEW QUESTION # 56
Which two statements are true about Auto Service Request (ASR) with an Exadata Database Machine?

  • A. ASR Manager must be installed and configured on one of the database servers.
  • B. ASR communicates with Oracle support services using HTTPS.
  • C. ASR Manager must be installed and configured on a dedicated server external to the Database Machine.
  • D. Configuring ASR is mandatory for all Database Machine assets.
  • E. ASR Manager opens a service request (SR) automatically after sensors detect hardware faults.
  • F. ASR can upload configuration metadata to support problem resolution.

Answer: A,C


NEW QUESTION # 57
Exadata X9M enables virtualization using KVM. Which statement is true about virtualization on Exadata X9M?

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

Answer: C

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 # 58
You are concerned about the operating temperature of the database servers in your Exadata Full Rack and want to be alerted if the server exceeds 30C.
What command should use use to generate alerts for such an event?

  • A. dbmcli -e "set threshold ds_temp comparison=' >', critical=30" on each database server
  • B. dbmcli -e "set alert ds_temp> 30" on each database server
  • C. dbmcli -e "alert metriccurrent ds_temp where metricValue > 30" on each database server
  • D. dbmcli -e "create threshold ds_temp comparison='>', critical=30" on each database server

Answer: D

Explanation:
The correct command to generate alerts for an event when the temperature of the database servers in an Exadata Full Rack exceeds 30C is "dbmcli -e "create threshold ds_temp comparison='>', critical=30" on each database server". The dbmcli is the command-line interface for the Oracle Database Management Agent (DMA), which allows you to perform various management tasks on the Exadata servers. This command creates a threshold for the ds_temp metric with a comparison operator of ">" (greater than), and a critical value of 30. The threshold is set on all database servers in the Exadata Full Rack, so when the server temperature exceeds 30C, an alert will be generated.


NEW QUESTION # 59
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 storage server ILOM
  • B. Oracle clusterware on the database server
  • C. Hybrid Columnar Compression (HCC) ratios on Extended (XT) storage servers
  • D. the RDMA over Converged Ethernet (RoCE) switches
  • E. ASM instances
  • F. the Power Distribution Units (PDUs)

Answer: B,C,E

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 # 60
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