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The Oracle Exadata Database Machine X8M is a high-performance database machine designed to deliver speed, efficiency, and security for mission-critical workloads. The machine combines hardware and software technologies that are specifically optimized for Oracle databases. With the Oracle 1z1-902 exam, IT professionals can demonstrate their expertise in implementing and managing this powerful database machine, which is an essential skill in today’s data-driven world.

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To pass the Oracle 1Z0-902 exam, candidates must demonstrate their ability to install, configure, and manage Oracle Exadata Database Machine X8M systems. They must also have a deep understanding of the architecture, features, and capabilities of this technology. In addition, candidates must demonstrate their ability to troubleshoot, optimize, and maintain Oracle Exadata Database Machine X8M systems to ensure optimal performance and availability. Successful candidates will be able to use their knowledge and skills to design and implement Oracle Exadata solutions that meet the needs of their organizations.

Oracle Exadata Database Machine X8M Implementation Essentials Sample Questions (Q60-Q65):

NEW QUESTION # 60
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 list LUN DETAIL command as the celladmin user
C. using the CELLCLI CALIBRATE command on the storage server after logging in as the root user
D. using the CELLCLI CALIBRATE command on the storage server after logging in as the celladmin user

Answer: A,D

Explanation:
The CELLCLI CALIBRATE command can be used to check the health of all flash cards in the storage server, and it should be run after logging in as the celladmin user. The hardware monitoring using the storage server ILOM should also be used to check for errors and other potential issues with the flash cards. The CELLCLI list LUN DETAIL command should not be used to identify a damaged or failing flash card, since it will not provide any information about the health of the flash card.
https://docs.oracle.com/en/engineered-systems/exadata-database-machine/dbmmn/index.html

NEW QUESTION # 61
You have been asked to design a backup solution for an Exadata X9M-2 Quarter Rack with Extreme Flash Storage Servers connected to a new ZFS Storage Appliance ZS7 with 2 Storage Controllers with 100Gb Ethernet cards and 3 Storage Trays. You are using Oracle Exadata Configuration Assistant to validate the rack layout.
1. Use “Add Equipment” to add the Exadata X9M EF Storage Servers, starting from RU10.
2. Use drop down to add ZFS Storage Appliance Controllers.
3. You cannot add ZFS Storage Appliance to an Exadata Rack.
4. Use “Add Equipment” to add the ZFS Storage Trays, starting from RU1.
5. Use drop down to add ZFS Storage Trays.
6. Use “Add Equipment” to add the Exadata X9M Database Servers, starting from RU16.
7. Use “Add Equipment” to add the Exadata X9M EF Storage Servers, starting from RU1.
8. Use drop down to add Exadata X9M EF Storage Servers.
9. Use “Add Equipment” to add the ZFS Storage Controllers, starting from RU27.
10. Use drop down to add Exadata X9M Database Servers.
11. Use “Add Equipment” to add the ZFS Storage Trays, starting from RU31.
Which of these steps are correct and what is their correct order?

A. 10, 8, 2, 5
B. 0
C. 4,1, 6, 9
D. 7,6,9,11
E. 10, 8, 9, 11

Answer: E

Explanation:
The correct order of steps is 10, 8, 9, 11. The 10th step is to use the drop down to add Exadata X9M Database Servers, the 8th step is to use the drop down to add Exadata X9M EF Storage Servers, the 9th step is to use “Add Equipment” to add the ZFS Storage Controllers, and the 11th step is to use “Add Equipment” to add the ZFS Storage Trays. These steps are referenced in the Oracle Exadata Database Machine X9M Implementation Essentials Official Textbook, which is available online at https://docs.oracle.com/cd/E80437_01/E80437/html/index.html.

NEW QUESTION # 62
Which are two valid reasons for executing an X9M-2 Exadata storage server rescue procedure?

A. corruption in a normal or high redundancy ASM diskgroup
B. accidental loss of all data from all griddisks in a storage server
C. moving all disks from one cell to another as part of a chassis-level component failure
D. the failure of physical disk 1
E. the failure of both physical M.2 disks
F. corruption in the / (root) filesystem
G. the failure of physical disk 0 and 11

Answer: B,F

Explanation:
Reason B, corruption in the / (root) filesystem, is a valid reason for executing a storage server rescue procedure. If the root filesystem is corrupted, the storage server will no longer be able to boot and will need to be rescued.
Reason F, accidental loss of all data from all griddisks in a storage server, is also a valid reason for executing a storage server rescue procedure. If all data is accidentally lost from the griddisks in a storage server, the server will need to be rescued in order to recover the data.
For more information about the Exadata X9M-2 storage server rescue procedure, refer to the Oracle Exadata Database Machine X9M Implementation Essentials official text book and resources.
Search results: [1] Oracle Exadata Database Machine X9M-2 Full Rack Installation – Oracle Docs [2] Oracle Exadata Database Machine X9M-2 Storage Server Rescue Procedure – Oracle Docs [3] Oracle Exadata Database Machine X8M-2 Mid-Size Rack Installation – Oracle Docs [4] Oracle Exadata Database Machine X8M-2 Storage Server Rescue Procedure – Oracle Docs [5] Oracle Exadata Database Machine X9M-2 Storage Server Update Procedure – Oracle Docs [6] Oracle Exadata Database Machine X8M-2 Storage Server Update Procedure – Oracle Docs

NEW QUESTION # 63
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 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 copies redo log data from disk for faster redo apply on Data Guard Standby Databases.

Answer: A

Explanation:
https://docs.oracle.com/en/engineered-systems/exadata-database-machine/dbmso/new-features-exadata-system-software-release-23.html

NEW QUESTION # 64
You are adding a disk expansion kit to a running Exadata X8M Database Machine’s Database Servers, and have a filesystem layout that includes:

After running the following commands, which command needs to be run to add 20G of space to the filesystem mounted on /u01?