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Home > Oracle > Oracle Certifications > 1Z0-902
Oracle 1Z0-902  Exam Questions & Answers
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Oracle 1Z0-902 Exam Questions & Answers


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  • Vendor: Oracle

    Exam Code: 1Z0-902

    Exam Name: Oracle Exadata Database Machine X9M Implementation Essentials

    Certification Provider: Oracle

    Total Questions: 60 Q&A ( View Details)

    Updated on: May 24, 2026

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1Z0-902 Online Practice Questions and Answers

Questions 1

You are hardening the security posture of your Exadata Database Machine. Before disabling ssh access to the storage servers, what should you do to enable REST access to the MS process?

A. Install Oracle Rest Data Services on each Database server and install the MS APEX application.

B. The MS Process on the storage servers is natively endowed with REST services, but are not enabled by default.

C. Install Oracle Rest Data Services on each Storage server and install the MS APEX application.

D. The MS Process on the storage servers is natively endowed with REST services and are enabled by default, however, appropriate roles and users should be created to ensure security.

Show Answer

Correct Answer: B

Explanation: To enable REST access to the MS process, you need to manually enable the REST services on each storage server by running the command cellcli -e "ALTER CELL ENABLE REST" and then configure authentication and authorization to ensure secure access. This is described in detail in the Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book (Chapter 8, Securing the Exadata Database Machine). https://docs.oracle.com/en/cloud/paas/exadata-cloud/csexa/access-rest-api.html

Questions 2

An Exadata X9M-2 Elastic Rack with 4 Database Servers and 8 HC Storage Servers and 3-phase 24kVA 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. A splitter cable can be used to provide power to all PDU cables.

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

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

Show Answer

Correct Answer: C

Explanation: In order for an Exadata X9M-2 Elastic Rack to be installed, two power feeds are required for each of the three-phase 24kVA PDUs. A single cable from each PDU will not be enough to power the rack, and neither a splitter cable nor rearrangement of the power cables from the servers to the PDUs will be able to provide sufficient power for the system. Therefore, the installation cannot proceed until two power feeds are available per PDU. For more information about power requirements for Exadata X9M-2 Elastic Racks, 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] Exadata Database Machine X8M-2 Mid-Size Rack Installation - Oracle Docs https://docs.oracle.com/en/engineered-systems/exadata-database- machine/dbmin/exadata-site-requirements.html

Questions 3

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. using the CELLCLI CALIBRATE command on the storage server after logging in as the celladmin user

B. using the CELLCLI CALIBRATE command on the storage server after logging in as the root user

C. hardware monitoring using the storage server ILOM

D. using the CELLCLI list LUN DETAIL command as the celladmin user

Show Answer More Questions

Correct Answer: AC

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

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