Free Oracle 1Z0-902 Exam Questions

Become Oracle Certified with updated 1Z0-902 exam questions and correct answers

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Total 85 Questions | Updated On: Nov 25, 2025

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Question 1

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

A : Add nodes to and remove nodes from a VM cluster.

B : Add or remove additional databases.

C : Resize Oracle ASM disk groups.

D : Support ZDLRA life cycle management operation.

E : Add or remove Oracle Database home directories.

F : OEDACU has Edit mode and Deploy mode.

Answer: D

Question 2

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 : File permissions on the griddisks in each database server

C : Using EXADCLI instead of CELLCLI to create the griddisks

D : File permissions on the griddisks in each storage server

E : Exadata storage realms using database-scoped security mode

Answer: A,E

Question 3

You have been tasked with replacing a memory module of an Exadata Storage Server and need to power off the affected storage server. Which two commands must you execute to safely power off the storage server in an Exadata X9M Database Machine?

A : CeLLCLI> alter cell shutdown SERVICES all on the affected storage server

B : CeLLCLI> list GRIDDISK where status != 'inactive' on the affected storage server

C : 'crsct1 stop cluster -all' on one of the database servers

D : CellCLI LIST GRIDDISK ATTRIBUTES name WHERE asmdeactivationoutcome != 'Yes' on the affected Storage server

E : CellCLI alter GRIDDISK all inactive on the affected storage server

F : shutdown -h now' on the affected storage server

Answer: E,F

Question 4

How do ASM failure groups provide redundancy?

A : Failure groups are created for each grid disk to ensure mirror copies are written to the same storage server for faster recovery after a physical disk failure.

B : Failure groups contain all ASM disks in a single storage server preventing mirror copies being written to the same storage server.

C : They ensure that the ASM Flex instances are enabled on a maximum of two database servers or VMs per cluster.

D : Extended Redundancy mirrors data across data centers providing the highest levels of data protection.

Answer: B

Question 5

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?

A : # lvextend -L +20G —verbose /dev/mapper/VGExaDb-LVDbOral

B : # xfs_growfs /uOl +20G

C : # resize2fs +20G /dev/VGExaDb/LVDbOral

D : # lvextend -L +20G —verbose /dev/VGExaDb/LVDbOral

Answer: A

Page: 1 / 17

Total 85 Questions | Updated On: Nov 25, 2025

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