1Z1-902 FREE BRAIN DUMPS & NEW 1Z1-902 EXAM PRACTICE

1z1-902 Free Brain Dumps & New 1z1-902 Exam Practice

1z1-902 Free Brain Dumps & New 1z1-902 Exam Practice

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Oracle 1Z0-902 (Oracle Exadata Database Machine X8M Implementation Essentials) Certification Exam is a comprehensive test that evaluates an individual’s skills and knowledge in implementing and managing the Oracle Exadata Database Machine X8M. 1z1-902 exam is designed for professionals who work with Oracle Exadata Database Machine X8M and want to validate their skills and knowledge in implementing and managing the technology. 1z1-902 exam covers a wide range of topics, including Exadata architecture, installation, configuration, and management.

Oracle 1Z0-902 (Oracle Exadata Database Machine X8M Implementation Essentials) Certification Exam is an essential credential for professionals who are involved in the implementation and management of Oracle Exadata Database Machine X8M. 1z1-902 Exam Tests the skills and knowledge of candidates in a wide range of topics related to the machine, and passing the exam can lead to career advancement opportunities and increased earning potential.

Oracle 1Z0-902 Exam covers a wide range of topics related to the Oracle Exadata Database Machine X8M, including architecture, configuration, installation, administration, and maintenance. Candidates for 1z1-902 exam should have a strong understanding of Oracle database technology and experience in implementing and managing Oracle Exadata solutions.

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Oracle Exadata Database Machine X8M Implementation Essentials Sample Questions (Q36-Q41):

NEW QUESTION # 36
Which two statements are true about Auto Service Request (ASR) with an Exadata Database Machine?

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

Answer: A,B

Explanation:
A and F are true statements about Auto Service Request (ASR) with an Exadata Database Machine [1][2]. In order to use the ASR feature, ASR Manager must be installed and configured on a dedicated server which is external to the Database Machine, and it communicates with Oracle support services using HTTPS. Additionally, ASR can upload configuration metadata to support problem resolution, and it can open a service request (SR) automatically after sensors detect hardware faults.
Reference for this information can be found in the Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book and Resources [1][2].


NEW QUESTION # 37
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. They ensure that the ASM Flex instances are enabled on a maximum of two database servers or VMs per cluster.
  • D. 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.

Answer: A

Explanation:
According to Oracle's documentation12, ASM failure groups provide redundancy by storing mirror copies of data on different disks or storage servers. When ASM allocates an extent for a normal redundancy file, ASM allocates a primary copy and a secondary copy. ASM chooses the disk on which to store the secondary copy so that it is in a different failure group than the primary copy1. This way, if one disk or storage server fails, ASM can still access the data from another failure group2.
Therefore, the statement that is true about how ASM failure groups provide redundancy is:
Failure groups contain all ASM disks in a single storage server preventing mirror copies being written to the same storage server.


NEW QUESTION # 38
Which are two correct statements for managing virtual deployment using Oracle Exadata Deployment Assistant (OEDA)?

  • A. OEDA sets up key-based authentication for the root user by using the setuprootssh.sh utility included with OEDA.
  • B. There is no limit on the number of VMs in an Exadata rack as long as the Exadata rack has adequate resources.
  • C. OEDA allows customers to have both bare metal (BM) and virtual machine (VM) in an Exadata X9M Quarter Rack.
  • D. OEDA deployment steps include calibrate cells, create cell disks, and resecure machine.

Answer: A,D

Explanation:
1. OEDA deployment steps include calibrate cells, create cell disks, and resecure machine2.
2. OEDA sets up key-based authentication for the root user by using the setuprootssh.sh utility included with OEDA2.


NEW QUESTION # 39
Which three steps are required to expand an Exadata X9M-2 Database Server with the lowest memory configuration available to the highest memory configuration?

  • A. Add 12x 32GB DIMMs.
  • B. Add 24x 32GB DIMMs.
  • C. Shutdown the Database Server if running.
  • D. Add 16x 64GB DIMMs.
  • E. Add 12x 64GB DIMMs.
  • F. Memory cannot be expanded on Exadata X9M-2 Database Servers.
  • G. Add 32x 64GB DIMMs.
  • H. Remove existing memory modules.
  • I. Add 16x 32GB DIMMs.

Answer: D,H,I


NEW QUESTION # 40
Which statement is true about the Persistent Memory Commit Accelerator?

  • A. Persistent Memory Commit Accelerator copies redo log data from disk for faster redo apply on Data Guard Standby Databases.
  • B. Persistent Memory Commit Accelerator contains logging information from all tiers of the software stack for rapid triage and diagnostics.
  • C. Persistent Memory Commit Accelerator reduces redo log write latency by using Persistent Memory and RDMA before flushing to Flash then disk.
  • D. Persistent Memory Commit Accelerator tracks changes to Persistent Memory Data Accelerator to ensure duplicate blocks are not written to Flash.
  • E. Persistent Memory Commit Accelerator helps to further reduce redo log write latency by using Persistent Memory and Remote Direct Memory Access (RDMA).

Answer: C

Explanation:
Persistent Memory Commit Accelerator reduces redo log write latency by using Persistent Memory and RDMA before flushing to Flash then disk. This helps to further reduce redo log write latency by utilizing the speed and low latency of Persistent Memory, along with the Remote Direct Memory Access (RDMA) protocol, to commit changes to disk faster. This allows the system to quickly commit changes to disk, resulting in improved performance and reduced latency.
This is according to the Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book and Resources [1][2]. The Persistent Memory Commit Accelerator uses Persistent Memory and Remote Direct Memory Access (RDMA) technology to write redo log data to Flash and disk, resulting in improved latency and higher throughput. Additionally, the Accelerator tracks changes to Persistent Memory Data Accelerator to ensure duplicate blocks are not written to Flash [1], further reducing latency.


NEW QUESTION # 41
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