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To pass the Oracle 1z1-902 exam, candidates must have a strong understanding of the Oracle Exadata Database Machine X8M architecture, configuration, and management. They must also be proficient in implementing and managing key features, such as Smart Scan, Smart Flash Cache, and Hybrid Columnar Compression. Additionally, candidates must have a solid understanding of database administration and performance tuning concepts, as well as experience in using Oracle Enterprise Manager to manage and monitor the Oracle Exadata Database Machine X8M. With the Oracle 1z1-902 certification, IT professionals can demonstrate their expertise in implementing and managing this powerful technology, and gain a competitive advantage in the job market.

Oracle 1Z0-902 Exam is intended for individuals who work in IT organizations and are responsible for designing, deploying, and managing Oracle Exadata Database Machine X8M solutions. Candidates who Pass 1Z0-902 Exam will be recognized as experts in implementing and managing Oracle Exadata solutions and will have the skills and knowledge needed to optimize database performance, improve scalability, and reduce overall costs.

Oracle 1z1-902 certification exam is an excellent way for IT professionals to demonstrate their knowledge and skills in implementing and managing the Oracle Exadata Database Machine X8M. Passing 1Z0-902 exam not only validates their expertise but also opens up new career opportunities and helps them stay competitive in the ever-evolving IT industry.

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Oracle Exadata Database Machine X8M Implementation Essentials Sample Questions (Q66-Q71):

NEW QUESTION # 66
You have a script with several CELLCLI commands that must be executed on each cell in your Exadata full rack. The script must run on each cell simultaneously. How must you achieve this?

A. Copy and execute the script on all storage servers using the EXACLI command.
B. Copy the script to all storage servers using the CELLCLI command and execute it on all storage servers in parallel using the CELLCLI command.
C. Copy the script to all storage servers using the dcli command and manually execute it on each storage server using the DCLI command.
D. Copy the script to all storage servers using the dcli command and manually execute it on all storage servers using the EXACLI command.
E. Copy and execute the script on all storage servers using the dcli command.

Answer: B

Explanation:
This can be done by using the 'cellcli -e' command, which allows you to execute commands in parallel on all storage servers. For more information about executing CELLCLI commands in parallel, please refer to the Oracle Exadata Database Machine X9M Implementation Essentials official text book and resources [1][2].

NEW QUESTION # 67
Your customer needs to ensure that their data is available on the Exadata machine during updates. The customer wants to be able to update one server at a time but still be protected against single-node server failure.
What ASM redundancy level should they use?

A. External
B. Extended
C. Sparse
D. Normal
E. High

Answer: E

Explanation:
Your customer needs to ensure that their data is available on the Exadata machine during updates. The customer wants to be able to update one server at a time but still be protected against single-node server failure. This means that they need a redundancy level that can tolerate at least one disk failure without losing data availability or performance. Therefore, the best option for them is normal redundancy . Normal redundancy provides two-way mirroring by default, which means that each data extent has a primary copy and a mirror copy on different disks in different failure groups1. A failure group is a subset of disks within a disk group that are likely to fail at the same time due to common dependencies2. On Exadata Database Machine , each Storage Server is considered as a failure group by default2. This means that if one Storage Server fails or needs to be updated , the data on its disks can still be accessed from another Storage Server that has the mirror copies of the same data extents2. Therefore, normal redundancy ensures data availability and performance during updates or single-node server failures.
https://docs.oracle.com/en/engineered-systems/exadata-database-machine/sagug/exadata-administering-asm.html

NEW QUESTION # 68
Your system administrator reports an amber, non-blinking light on one of your Exadata storage disks. You immediately execute the 'list physicaldisk where diskType=HardDisk and status=failed DETAIL' command on the Exadata storage system and the specified disk is indeed reported as failed. Platinum Support has not been enabled for this system. Enterprise Manager Cloud Control is monitoring the system.
What is the next step that you should perform before you do anything else?

A. Ask the system administrator to replace the broken disk with a spare.
B. Download and run the latest exadiag tool.
C. Wait for a blue light to appear on the disk if the rebalance operation is running.
D. Check the database to see if any rebalance operations are active.
E. Call Oracle Support and make an appointment so that the drive can be replaced.
F. Wait for the email of the failure that Exadata or Enterprise Manager will send.

Answer: A

NEW QUESTION # 69
You must drop all celldisks on all the storage servers in an X9M-2 quarter rack as part of a reconfiguration project.
Which three statements describe the account on the storage servers which you should use and the tool that may be used to drop the celldisks?

A. to an administrator-created storage server user with appropriate privileges on celldisk objects by calling EXACLI on all cells using exadcli
B. to the CELLMONITOR account using cellcli interactively on each storage server
C. to the CELLADMIN account by calling CELLCLI on all cells using DCLI
D. to an administrator-created storage server user with appropriate privileges on celldisk objects by calling CELLCLI on all cells using exadcli
E. to the CELLADMIN account using cellcli interactively on each storage server
F. to the CELLMONITOR account calling CELLCLI on all cells using DCLI

Answer: B,D,F

NEW QUESTION # 70
Which statement is true about the Persistent Memory Commit Accelerator?

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

Answer: D

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.

NEW QUESTION # 71
......

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Dumps Oracle 1Z0-902 Questions, Test 1Z0-902 Simulator Free

Free PDF Quiz Oracle - 1Z0-902 - Unparalleled Dumps Oracle Exadata Database Machine X8M Implementation Essentials Questions

Oracle Exadata Database Machine X8M Implementation Essentials Sample Questions (Q66-Q71):

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