PASS GUARANTEED ORACLE - 1Z1-902 - ORACLE EXADATA DATABASE MACHINE X8M IMPLEMENTATION ESSENTIALS–PROFESSIONAL RELIABLE TEST GUIDE

Pass Guaranteed Oracle - 1z1-902 - Oracle Exadata Database Machine X8M Implementation Essentials–Professional Reliable Test Guide

Pass Guaranteed Oracle - 1z1-902 - Oracle Exadata Database Machine X8M Implementation Essentials–Professional Reliable Test Guide

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Oracle Exadata Database Machine X8M Implementation Essentials Sample Questions (Q25-Q30):

NEW QUESTION # 25
Which two quarantine types can disable Smart Scan for multiple databases that offload SQL statements to a cell on an Exadata Database Machine?

  • A. Manually created Quarantine
  • B. Cell Offload Quarantine
  • C. SQL Plan Quarantine
  • D. Database Quarantine
  • E. Disk Region Quarantine

Answer: B,C

Explanation:
A and E are the two correct quarantine types that can disable Smart Scan for multiple databases that offload SQL statements to a cell on an Exadata Database Machine. A is correct because SQL Plan Quarantine will disable Smart Scan for all queries related to the SQL plan that was placed in the SQL Plan Quarantine [1]. E is correct because the Cell Offload Quarantine will disable Smart Scan for all queries offloaded to Oracle Database Exadata Storage Server Software [2]. The other statements (B, C, and D) are incorrect.
[1] Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book , Chapter 13 [1][2]: Oracle Database Exadata Storage Server Software [2] Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book , Chapter 15 [1][2]: Oracle Database Exadata Storage Server Configuration
https://docs.oracle.com/en/engineered-systems/exadata-database-machine/sagug/exadata-storage-server-software-introduction.html


NEW QUESTION # 26
What are the two benefits of using Oracle Exadata Deployment Assistant (OEDA)?

  • A. OEDA gathers configuration details and creates the Oracle Exadata Rack configuration file.
  • B. OEDA provides a CL1 which supports life cycle management tasks for Exadata systems only.
  • C. OEDA Web-based user interface cannot import OEDA XML configuration files created with the Java-based version of OEDA without conversion
  • D. OEDA is used for Oracle Exadata Database Machine, Zero Data Loss Recovery Appliance, Private Cloud Appliance, and SuperCluster.
  • E. OEDA facilitates abstracting hardware.

Answer: A,B

Explanation:
Oracle Exadata Deployment Assistant (OEDA) offers multiple benefits for configuring and deploying Exadata systems:
Configuration Gathering and Rack File Creation: OEDA simplifies the setup of Exadata environments by collecting system-specific configuration details. It uses this information to generate the Exadata Rack configuration file, which outlines the optimal setup for the particular environment, streamlining the deployment process and ensuring compatibility with Oracle best practices .
Lifecycle Management CLI for Exadata Systems: OEDA includes a command-line interface (CLI) that facilitates various lifecycle management tasks, specifically designed for Exadata systems. This CLI helps in automating deployment steps, adjusting configurations, and updating system parameters, tailored specifically for Exadata's hardware and software environment .


NEW QUESTION # 27
Which are three customer options for hosting the Platinum Services Advanced Support Gateway?

  • A. Purchase the recommended x86 64-Bit gateway hardware from Oracle.
  • B. Provide individual x86 64-Bit gateway hardware.
  • C. Install on Oracle Database Appliance.
  • D. Install in Oracle Virtual Machine with required hardware.
  • E. Install on Exadata Engineered System.

Answer: A,B,C

Explanation:
According to Oracle's documentation1, the customer options for hosting the Platinum Services Advanced Support Gateway are:
Provide individual x86 64-Bit gateway hardware1
Purchase the recommended x86 64-Bit gateway hardware from Oracle1
Install on Oracle Database Appliance2


NEW QUESTION # 28
Which two statements are true about enabling write-back flash cache?

  • A. Write-back flash cache is on by default for High Capacity Storage Servers in High Redundancy configurations.
  • B. Before write-back flash cache is enabled, you need to drop the Flash Cache first.
  • C. When enabling write-back flash cache in a rolling manner, DBCLI should be used to inactivate the grid disks on all cells first.
  • D. When enabling write-back flash cache in a non-rolling manner, you need to drop the Persistent Memory Commit Accelerator (PMEMLog) first.
  • E. Write-back Flash Cache cannot be used on Extreme Flash Storage Servers.

Answer: B,C

Explanation:
The two statements that are true about enabling write-back flash cache are:
When enabling write-back flash cache in a rolling manner, DBCLI should be used to inactivate the grid disks on all cells first.
Before write-back flash cache is enabled, you need to drop the Flash Cache first.
The Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book states that "when enabling write-back flash cache in a rolling manner [1], grid disks need to be inactivated on all cells before enabling write-back flash cache". It also states that "before write-back flash cache can be enabled, the existing flash cache must be dropped".


NEW QUESTION # 29
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 alert ds_temp> 30" on each database server
  • B. dbmcli -e "set threshold ds_temp comparison=' >', critical=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:
According to Oracle's documentation1, to set a threshold for a metric on a database server, you need to use the create threshold command with the appropriate parameters. The set threshold command is used to modify an existing threshold2.
Therefore, the command that you should use to generate alerts for such an event is:
dbmcli -e "create threshold ds_temp comparison='>', critical=30" on each database server1


NEW QUESTION # 30
......

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