Most Recent Oracle 1Z0-902 Exam Dumps

Prepare for the Oracle Exadata Database Machine X9M Implementation Essentials exam with our extensive collection of questions and answers. These practice Q&A are updated according to the latest syllabus, providing you with the tools needed to review and test your knowledge.

QA4Exam focus on the latest syllabus and exam objectives, our practice Q&A are designed to help you identify key topics and solidify your understanding. By focusing on the core curriculum, These Questions & Answers helps you cover all the essential topics, ensuring you're well-prepared for every section of the exam. Each question comes with a detailed explanation, offering valuable insights and helping you to learn from your mistakes. Whether you're looking to assess your progress or dive deeper into complex topics, our updated Q&A will provide the support you need to confidently approach the Oracle 1Z0-902 exam and achieve success.

The questions for 1Z0-902 were last updated on May 1, 2025.

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Question No. 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?

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

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

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

DThe 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.

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Correct Answer: D

Question No. 2

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

Athe failure of physical disk 1

Bcorruption in the / (root) filesystem

Cthe failure of both physical M.2 disks

Dthe failure of physical disk 0 and 11

Emoving all disks from one cell to another as part of a chassis-level component failure

Faccidental loss of all data from all griddisks in a storage server

Gcorruption in a normal or high redundancy ASM diskgroup

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Correct Answer: B, D

The rescue procedure is necessary when system disks fail, the operating system has a corrupt file system, or there was damage to the boot area. If only one system disk fails, then use CellCLI commands to recover. In the rare event that both system disks fail simultaneously, you must use the Exadata Storage Server rescue functionality provided on the Oracle Exadata Storage Server Software CELLBOOT USB flash drive.

Question No. 3

Which are two correct statements about backing up Exadata Database Machine?

ABackup of the Oracle Cluster Registry, which also contains Voting Disk information, is automatically maintained on the file system of the first database server.

BBacking up Exadata Storage Server Software is critical for restoration.

CFor high availability, system area can be on the first two disks and M.2 devices.

DThe M.2 disk is hot pluggable and can be replaced when the power is on, but you will have to restore the system data manually.

EUse a snapshot-based backup of an Oracle Exadata Database Machine database server software.

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Correct Answer: D, E

Question No. 4

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?

AExadata storage realms using ASM-scoped security mode

BFile permissions on the griddisks in each database server

CUsing EXADCLI instead of CELLCLI to create the griddisks

DFile permissions on the griddisks in each storage server

EExadata storage realms using database-scoped security mode

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Correct Answer: C, D

Question No. 5

You are updating your Exadata X9M-2 Elastic Database Machine with 6 database servers and 12 High Capacity Storage Servers. You will be using patchmgr to apply updates across the entire machine while still maintaining database availability.

Assuming you are driving patchmgr from an external server, which statement is true about the execution phase?

Apatchmgr must be invoked with the ---rolling argument. Each component type must be upgraded independently of the other.

Bpatchmgr cannot apply updates in a rolling manner, you must manually apply patches with the dbnodeudpate and cellupdate tools if high availability is required.

Cpatchmgr will apply patches in component groups consisting of 1 database server and 2 storage servers to minimize disruption.

Dpatchmgr must be invoked with the ---rolling argument with all database and storage servers listed in a single input file.

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Correct Answer: D

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