Oracle 1z1-902 Actual Free Exam Questions & Community Discussion

Exam Code/Number: 1z1-902
Exam Name/Title: Oracle Exadata Database Machine X8M Implementation Essentials
Certification Provider: Oracle
Corresponding Certification: Oracle Engineered Systems

Exam Questions: 87
Updated On: Jul 08, 2026

Question #1

In order two support a new application, you are planning to add a RAC VM cluster to an existing Oracle Exadata X9M-2 deployment.
Which two methods can be considered?

A. Use the OEDA Command line interface.

B. Use Oracle VM Manager.

C. Use the xm command.

D. Use the OEDA web-based configuration tool.

E. Use domu_maker utility.

Discussion 0

Correct Answer: A,D Vote an answer

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Question #2

For which four component failures on an X9M Database Machine does Auto Service Request (ASR) raise service requests?

A. power distribution units

B. Cisco management switch

C. RoCE network interface cards in the storage servers

D. power supplies in the database servers

E. fans in the storage servers

F. RoCE network interface cards in the database servers

G. Cisco RDMA over Converged Ethernet (RoCE) switches

Discussion 0

Correct Answer: A,C,D,G Vote an answer

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Question #3

I/O performance of the prod database on your Exadata Database Machine has degraded slightly over the past month. The database has been allocated to the OLTP I/O Resource Management (IORM) category.
Which two monitoring tools might be useful in examining I/O performance for the prod database?

A. cellcli (or exacli/exadcli) to examine storage server metrics such as database, category, ceiidisk, and griddisk

B. OS I/O metrics using OS tools such as iostat on the storage servers

C. I/O-specific dynamic performance views such as v$iostat_fiie, v$iostat_function, and v$iostat_consumer_group from the prod database instances using SQL *p1us

D. OS I/O metrics using OS tools such as iostat on the database servers

E. OS I/O metrics using Enterprise Manager host pages for the storage servers

Discussion 0

Correct Answer: A,C Vote an answer

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Question #4

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

A. ASR Manager opens a service request (SR) automatically after sensors detect hardware faults.

B. ASR Manager must be installed and configured on one of the database servers.

C. ASR can upload configuration metadata to support problem resolution.

D. ASR Manager must be installed and configured on a dedicated server external to the Database Machine.

E. ASR communicates with Oracle support services using HTTPS.

F. Configuring ASR is mandatory for all Database Machine assets.

Discussion 0

Correct Answer: A,C Vote an answer

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Question #5

Which three component faults are covered by Oracle Auto Service Request (ASR)?

A. File system unmounted

B. RoCE network interface cards

C. I/O boards

D. Proactive recommendations for firmware

E. System Controller (SC)

F. Fan trays

Discussion 0

Correct Answer: C,E,F Vote an answer

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Question #6

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 helps to further reduce redo log write latency by using Persistent Memory and Remote Direct Memory Access (RDMA).

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 contains logging information from all tiers of the software stack for rapid triage and diagnostics.

Discussion 0

Correct Answer: B Vote an answer

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Question #7

You plan to monitor the status of the motherboard, memory, power, fans, and network cards on the database nodes in your Exadata Database Machine using Enterprise Manager.
Where must you set the thresholds for these hardware components and why, to assure that sensor readings, faults, and any related alerts, are visible in Enterprise Manager?

A. No thresholds need to be set because they are preset in the ILOM and in Enterprise Manager

B. Set thresholds only in ILOM because they are not preset anywhere but need to be set only in ILOM.

C. No thresholds need to be set because they are preset in the ILOM and these are sufficient for monitoring.

D. Set thresholds in ILOM and in Enterprise Manager because they are not preset anywhere and must be set in both places.

Discussion 0

Correct Answer: A Vote an answer

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Question #8

An Exadata storage server physical disk on an X9M-2 high-capacity full rack entered the predictive failure state. Which two steps must you perform to replace this failed physical disk?

A. Add the griddisks back into the ASM diskgroup they used to be a member of.

B. Rebalance the data on the effected griddisks before performing a manual drop command.

C. Identify the griddisks located on the failed physical disk and drop them from the associated ASM diskgroups.

D. Create a new celldisk and new griddisks on the replaced physical disk.

E. Verify that the griddisks located on the physical disk have been successfully dropped from the associated ASM diskgroups.

F. Replace the failed physical disk.

Discussion 0

Correct Answer: C,F Vote an answer

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Question #9

Which two statements are true about the types of Exadata X9M-2 storage servers: the High Capacity (HC) storage server, the Extreme Flash (EF) storage server and the Extended server?

A. The EF storage server contains 8 x 6.4 TB PCIe flash cards, and can be upgraded with 4 more for a total of 12.

B. The EF storage server contains 8 x 6.4 TB PCIe flash cards and 756 GB Persistent Memory.

C. The HC storage server contains 12 x 18 TB hard disks, 4 x 6.4 TB PCIe flash cards, and 1.5 TB Persistent Memory.

D. The EF storage server contains 8 x 6.4 TB PCIe flash cards.

E. The XT storage server is an all-disk storage server with no flash, containing 12 x 18 TB hard disks, and 1.5 TB Persistent Memory.

Discussion 0

Correct Answer: B,C Vote an answer

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