2025 1Z0-902–100% FREE DUMP CHECK | VALID 1Z0-902 CUSTOMIZED LAB SIMULATION

2025 1Z0-902–100% Free Dump Check | Valid 1Z0-902 Customized Lab Simulation

2025 1Z0-902–100% Free Dump Check | Valid 1Z0-902 Customized Lab Simulation

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Oracle Exadata Database Machine is a high-performance engineered system that is designed to provide faster, more efficient, and more secure data processing capabilities. The X8M is the latest version of this machine that is equipped with advanced hardware and software features. Oracle 1z1-902 exam is specifically designed to test the knowledge and skills of IT professionals who want to implement and manage this cutting-edge technology.

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Oracle 1z1-902, also known as the Oracle Exadata Database Machine X8M Implementation Essentials exam, is a certification exam offered by Oracle. 1Z0-902 exam is designed for IT professionals who want to demonstrate their knowledge and expertise in implementing and managing Oracle Exadata Database Machine technology. 1Z0-902 Exam covers a wide range of topics, including hardware components, software configuration, performance tuning, security, and backup and recovery.

Oracle Exadata Database Machine X8M Implementation Essentials Sample Questions (Q24-Q29):

NEW QUESTION # 24
A new Exadata Quarter Rack with 2 Database Servers and 3 HC Storage Servers and 3-phase 15kVA PDUs is being installed in a Data Center. However, the Data Center is only providing enough power for a single cable from each PDU.
Which statement is correct?

  • A. The power cables from the servers to the PDUs can be rearranged inside the rack following OECA guidance to utilize a single PDU power cable.
  • B. The installation can go ahead, no change is required.
  • C. The installation cannot proceed until two power feeds are available per PDU.
  • D. A splitter cable can be used to provide power to all PDU cables.

Answer: C

Explanation:
An Exadata Quarter Rack with 2 Database Servers and 3 HC Storage Servers and 3-phase 15kVA PDUs would typically require two power feeds per PDU, one for each of the two power distribution units (PDUs) in the rack. A single power feed per PDU is not sufficient to provide the necessary power to the servers and storage in the rack.
The installation cannot proceed until two power feeds are available per PDU. According to the Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book [1][2], it is recommended that each PDU should have at least two power feeds from different power sources in the data center. This is to ensure redundancy and avoid any power interruption due to power failure on one of the power sources. Splitter cables are not recommended, as they can reduce efficiency and increase the risk of overheating. Rearranging the power cables within the rack is not recommended either, as it does not provide the necessary redundancy for the PDU.


NEW QUESTION # 25
Which two sections of the AWR report shows statistics for X9M Persistent Memory Cache?

  • A. PMEM Pool cache Read Hits in the Cache Sizes portion of the Report Summary
  • B. cell PMEM cache Read Hits in the Database IOs portion of the Performance Summary
  • C. PMEM Cache section within Memory Statistics
  • D. PMEM Cache section within Exadata Smart Statistics
  • E. PMEM Pool Misses in the Exadata Outlier Summary

Answer: B,D

Explanation:
Option C shows the number of read hits from PMEM cache on storage servers which indicates how much data was served from PMEM instead of flash or disk1.
Option E shows detailed information about PMEM cache such as size, utilization, hit ratio, read latency and write latency2.


NEW QUESTION # 26
Which two statements are true for the Oracle Exadata Configuration Assistant (OECA)?

  • A. OECA extends the hardware for the elastic configuration only.
  • B. OECA allows one XT storage server in the configuration.
  • C. OECA reconfigures the size of disk groups and recreates grid disks.
  • D. OECA facilitates PDU power selection initially and after equipment addition.
  • E. OECA's "Add Equipment" input option allows allocation of RU slots for customer equipment.

Answer: C,E

Explanation:
The correct answers are Options A and D. Option A is correct because OECA reconfigures the size of disk groups and recreates grid disks. Option D is correct because OECA's "Add Equipment" input option allows allocation of RU slots for customer equipment.


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

Answer: B,D,E

Explanation:
The Platinum Services Advanced Support Gateway is a component of Oracle's Platinum Services offering that enables customers to access advanced support features and tools, such as automated problem diagnosis and resolution. Customers have the option to host the Advanced Support Gateway on an Oracle Database Appliance, Oracle Virtual Machine with required hardware, or an Exadata Engineered System. These options allow customers to leverage existing infrastructure and resources to host the gateway, rather than needing to purchase and install new hardware. Providing individual x86 64-Bit gateway hardware or purchase the recommended x86 64-Bit gateway hardware from Oracle are also options but it depends on the customer's infrastructure and resources.


NEW QUESTION # 28
You have configured a multirack Database Machine with two X9M-8 full racks all in a single cluster and storage grid comprising a total of 4 X9M-8 Database servers and 28 X9M-8 Storage servers.
Which two options are true regarding the servers on which Enterprise Manager agents must be deployed in order to monitor all components of this multirack configuration?

  • A. on all database servers in the first rack
  • B. on all storage servers in both racks
  • C. on all database servers in both racks and one storage server in each rack
  • D. on at least two storage servers in both racks
  • E. on all database servers in the second rack
  • F. on only one database server in both racks
  • G. on all database servers and at least two storage servers in both racks

Answer: D,G

Explanation:
In order to monitor all components of this multirack configuration, Enterprise Manager agents must be deployed on at least two storage servers in both racks and all database servers in both racks. This is according to the Oracle Exadata Database Machine X9M Implementation Essentials official text book [1], in which it states "To monitor all components of the multirack configuration, you must deploy agents on all database servers and at least two storage servers in each rack" (page 6-15).


NEW QUESTION # 29
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