Free Oracle 1z1-902 Practice Test & Real Exam Questions

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: Aug 21, 2026

Question #1

Which two statements are true about enabling write-back flash cache?

A. When enabling write-back flash cache in a rolling manner, DBCLI should be used to inactivate the grid disks on all cells first.

B. Before write-back flash cache is enabled, you need to drop the Flash Cache first.

C. When enabling write-back flash cache in a non-rolling manner, you need to drop the Persistent Memory Commit Accelerator (PMEMLog) first.

D. Write-back Flash Cache cannot be used on Extreme Flash Storage Servers.

E. Write-back flash cache is on by default for High Capacity Storage Servers in High Redundancy configurations.

Discussion 0

Correct Answer: B,E Vote an answer

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Question #2

What type of SRs does the ASR Manager generate for Exadata?

A. backup and restore failures

B. operating system components

C. hardware assets

D. software assets

E. data entry errors

Discussion 0

Correct Answer: C,D Vote an answer

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Question #3

Which two activities are supported on the storage servers in an Exadata Database Machine?

A. changing the root password

B. upgrading a device driver for hard disks when inserting a replacement disk after a hard disk failure

C. upgrading the Storage Server software package using rpm

D. installing an alternative package manager

E. configuring secure shell user equivalency for the cellmonitor user

Discussion 0

Correct Answer: A,E Vote an answer

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Question #4

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 installation cannot proceed until two power feeds are available per PDU.

B. 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.

C. A splitter cable can be used to provide power to all PDU cables.

D. The installation can go ahead, no change is required.

Discussion 0

Correct Answer: D Vote an answer

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Question #5

Which two sections of the AWR report shows statistics for X9M Persistent Memory Cache?

A. PMEM Pool Misses in the Exadata Outlier Summary

B. PMEM Pool cache Read Hits in the Cache Sizes portion of the Report Summary

C. PMEM Cache section within Exadata Smart Statistics

D. cell PMEM cache Read Hits in the Database IOs portion of the Performance Summary

E. PMEM Cache section within Memory Statistics

Discussion 0

Correct Answer: C,D Vote an answer

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Question #6

Examine these commands:
1. Execute "crscti stop cluster -all" as the grid user from one database server.
2. Execute "crscti stop cluster -all" as root from one database server.
3. Power off all network switches.
4. Execute "crscti stop cluster" as root from one database server.
5. Execute "crscti stop cluster" as the grid user from one database server.
6. Power off the rack using the power switches on the PDUs.
7. Execute "shutdown -h now" on all database servers.
8. Execute "shutdown -h now" on all Exadata storage servers.
Which is the correct order or the required commands to completely power off an Exadata Database Machine in an orderly fashion?

A. 5, 8, 7, and 6

B. 4, 7, 8, 3, and 6

C. 2, 8, 7, 3, and 6

D. 1, 8, 7, 3 and 6

E. 2, 7, 8, and 6

Discussion 0

Correct Answer: A Vote an answer

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Question #7

Which statement is FALSE about the OEDA command line interface (OEDACU)?

A. Add or remove additional databases.

B. Add nodes to and remove nodes from a VM cluster.

C. Support ZDLRA life cycle management operation.

D. Add or remove Oracle Database home directories.

E. OEDACU has Edit mode and Deploy mode.

F. Resize Oracle ASM disk groups.

Discussion 0

Correct Answer: C Vote an answer

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Question #8

Your customer would like to configure monitoring capabilities Auto Service Request (ASR) on the stand-alone server that was set aside to run ASR Manager.
What configuration should you set up for the customer?

A. ASR Manager with SNMP traps configured to listen for specific alerts triggered by Exadata Intergrated Lights Out Manager (ILOM).

B. Enterprise Manager and ASR Manager on the stand-alone server because ASR is not a monitoring tool.

C. Enterprise Manager, Exachk and ASR Manager on the stand-alone server because ASR needs Exachk for continuous Hardware monitoring.

D. ASR Manager inside the firewall along with ExaWatcher to monitor Database and Storage Server performance.

Discussion 0

Correct Answer: A Vote an answer

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Question #9

Which two Exadata security features would you configure to control which databases can access which griddisks, when multiple databases share space on your storage servers in an unpartitioned storage grid?

A. Exadata storage realms using ASM-scoped security mode

B. Exadata storage realms using database-scoped security mode

C. File permissions on the griddisks in each database server

D. Using EXADCLI instead of CELLCLI to create the griddisks

E. File permissions on the griddisks in each storage server

Discussion 0

Correct Answer: A,B Vote an answer

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