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Oracle Exadata Database Machine X8M Implementation Essentials exam is intended for professionals who have experience in database administration, system administration, or data center operations. Candidates should have a good understanding of Oracle database technology, including Oracle Database 12c or later, Oracle RAC, and Oracle ASM. Candidates should also have experience in managing Linux or UNIX systems and be familiar with networking and storage concepts.

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Oracle 1z1-902 is a certification exam designed to test the knowledge and skills of IT professionals in implementing and managing the Oracle Exadata Database Machine X8M. Exadata is a powerful platform developed by Oracle that combines hardware and software components to deliver a high-performance database solution. 1Z0-902 Exam is intended for individuals who have experience in implementing Exadata and want to validate their skills.

Oracle Exadata Database Machine X8M Implementation Essentials Sample Questions (Q26-Q31):

NEW QUESTION # 26
What are two recommended configuration best practices for backup and recovery on Exadata?

A. When off-site long-term backup retention is needed, use Oracle Database Backup Cloud Service as a low-cost, offsite scalable storage for a disaster recovery solution.
B. The internal Recovery Appliance backup and restore processing is optimized when the RMAN FILESPERSET parameter is set to 1 for the level 1 incremental backup set.
C. Even if the backup was limited to writing to four tape drives, eight channels could be specified to expedite the restore process.
D. Placing the backup network on dedicated switches installed in the top of the rack (ToR) has the benefits of isolating the backup network from other workloads and providing a greater level of control.

Answer: B,D

Explanation:
A recommended configuration best practice for backup and recovery on Exadata is to place the backup network on dedicated switches installed in the top of the rack (ToR). This provides a greater level of control and isolates the backup network from other workloads. Additionally, even if the backup is limited to writing to four tape drives, it is recommended to specify eight channels to expedite the restore process.
Another best practice is to set the RMAN FILESPERSET parameter to 1 for the level 1 incremental backup set. This will optimize the internal Recovery Appliance backup and restore processing. Finally, if off-site long-term backup retention is needed, Oracle Database Backup Cloud Service should be used as a low-cost, offsite scalable storage solution for a disaster recovery solution.

NEW QUESTION # 27
When receiving an Exadata Database Machine rack on site, which of the following statements is INCORRECT?

A. Reuse the shipping brackets to permanently mount the rack to the floor.
B. Front casters do not turn, you must steer the unit by moving the rear casters.
C. Pushing on the side panels can tip the rack over.
D. Push Oracle Exadata Rack from behind when moving into place.
E. Four leveling feet share the load with the casters.

Answer: A

Explanation:
The handling and installation of an Exadata Database Machine rack require caution and adherence to recommended guidelines:
Shipping Brackets: Shipping brackets are specifically designed for transportation purposes and should not be reused for permanent installation. Permanent floor mounting should use approved rack-mounting equipment to ensure stability and safety .
Steering and Pushing the Rack: Exadata racks should be steered from the rear due to fixed front casters. It is critical to avoid pushing the rack from the side panels, which could cause it to tip over, presenting a serious safety risk. This careful movement ensures safe positioning and prevents damage to the equipment during installation.

NEW QUESTION # 28
Which two options can be used to identify a damaged or failing flash card on an X9M-2 Database Machine High Capacity storage server?

A. hardware monitoring using the storage server ILOM
B. using the CELLCLI CALIBRATE command on the storage server after logging in as the celladmin user
C. using the CELLCLI list LUN DETAIL command as the celladmin user
D. using the CELLCLI CALIBRATE command on the storage server after logging in as the root user

Answer: A,C

NEW QUESTION # 29
Examine this list of software components:
1. Oracle KVM Guest
2. Oracle Enterprise Manager Agent (OMA)
3. ASM instance
4. RDBMS instance
5. Automatic Diagnostic Repository Command Interpreter (ADRCI)
6. CELLCLI
7. Cell Server(CELLSRV)
8. diskmon
9. Restart Server (RS)
10. Management Server (MS)
What is the correct location where these software components can run in the standard Exadata Database Machine deployment?

A. 1, 2, 3, 4, 8 and 9 run on the database servers; 5, 6, 7, 9 and 10 run on the Exadata storage servers.
B. 1, 2, 3, 4, 9 and 10 run on the database servers; 5, 6, 7, 8, 9, and 10 run on the Exadata storage servers.
C. 2, 3, 4, 8, and 10 run on the database servers; 1, 5, 6, 7and 9 run on the Exadata storage servers.
D. 3, 4, 8, and 10 run on the database servers; 1, 2, 5, 6, 7 and 9 run on the Exadata storage servers.
E. 1, 2, 3, 4, 5, 8, 9 and 10 run on the database servers; 5, 6,7, 9 and 10 run on the Exadata storage servers.

Answer: A

Explanation:
Oracle KVM Guest, Oracle Enterprise Manager Agent (OMA), RDBMS instance, Automatic Diagnostic Repository Command Interpreter (ADRCI), CELLCLI, diskmon, and Restart Server (RS) can all run on the database servers. The Cell Server (CELLSRV) and Management Server (MS) can both run on the Exadata storage servers. Specific instructions for installing and configuring these software components can be found in the book and can be referenced here: https://docs.oracle.com/cd/E80920_01/E80920/html/x9m_software_components.html.

NEW QUESTION # 30
How do ASM failure groups provide redundancy?

A. Failure groups contain all ASM disks in a single storage server preventing mirror copies being written to the same storage server.
B. Extended Redundancy mirrors data across data centers providing the highest levels of data protection.
C. Failure groups are created for each grid disk to ensure mirror copies are written to the same storage server for faster recovery after a physical disk failure.
D. They ensure that the ASM Flex instances are enabled on a maximum of two database servers or VMs per cluster.

Answer: C

Explanation:
Failure groups provide redundancy in Oracle Exadata Database Machine X9M by ensuring that mirror copies of the data are written to different storage servers [1][2]. This prevents the potential for mirror copies to be written to the same server, which would cause a data loss if that server were to experience a physical disk failure. Furthermore, failure groups help to ensure that the ASM Flex instances are enabled on a maximum of two database servers or VMs per cluster, providing an extra layer of data protection. Additionally, Extended Redundancy mirrors data across data centers, providing the highest levels of data protection. Reference: Oracle Exadata Database Machine X9M Implementation Essentials [1][2], Chapter 5: Configuring Oracle ASM.

NEW QUESTION # 31
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Oracle Exadata Database Machine X8M Implementation Essentials Exam Training Torrent & 1Z0-902 Online Test Engine & Oracle Exadata Database Machine X8M Implementation Essentials Free Pdf Study

What is the exam cost of the Oracle 1Z0-902 Exam

1Z0-902 Exam Questions & 1Z0-902 Exam Fee

Oracle Exadata Database Machine X8M Implementation Essentials Sample Questions (Q26-Q31):