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Exam Code: 1z0-902                Update: Oct 15, 2025
Exam Name: Oracle Exadata Database Machine X9M Implementation Essentials

Oracle Oracle Exadata Database Machine X9M Implementation Essentials 1z0-902 Exam Dumps: Updated Questions & Answers (October 2025)

Question # 1

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

Question # 2

You want to examine how much Smart Scan activity is occurring.

Which two would provide the information you require?

A.

the number of full table scans that accessed the table

B.

the number of Smart Scans performed for the table on all the storage servers, as shown when performing a list activerequest command using CELLCLI on all the cells

C.

the number of serial queries that accessed the table

D.

the number of parallel queries that accessed the table

E.

the number of Smart Scans performed for the table on all the storage servers, as shown when performing a list ACTIVEREQUEST command using EXACLI on all the cells

Question # 3

Which statement is true about the disks that are used in ASM diskgroups on the Exadata platform?

A.

In an Exadata storage server, each disk is placed into a separate failure group.

B.

The grid disks in ASM diskgroups must have similar performance characteristics in addition lo having the same size.

C.

Sparse diskgroups are virtual objects allocated from the DATA diskgroup.

D.

If High redundancy is selected, grid disks from the primary and secondary Exadata Database Machine must be specified.

E.

Extreme Flash (EF) and High Capacity (HC) disks can be mixed to any capacity within the same diskgroup.

Question # 4

You have a script with several CELLCLI commands that must be executed on each cell in your Exadata full rack. The script must run on each cell simultaneously. How must you achieve this?

A.

Copy and execute the script on all storage servers using the EXACLI command.

B.

Copy the script to all storage servers using the dcli command and manually execute it on all storage servers using the EXACLI command.

C.

Copy and execute the script on all storage servers using the dcli command.

D.

Copy the script to all storage servers using the dcli command and manually execute it on each storage server using the DCLI command.

E.

Copy the script to all storage servers using the CELLCLI command and execute it on all storage servers in parallel using the CELLCLI command.

Question # 5

Which two quarantine types can disable Smart Scan for multiple databases that offload SQL statements to a cell on an Exadata Database Machine?

A.

SQL Plan Quarantine

B.

Manually created Quarantine

C.

Database Quarantine

D.

Disk Region Quarantine

E.

Cell Offload Quarantine

Question # 6

Which two statements are true about Exadata System Software metrics and alerts on an Exadata Database Machine?

A.

Metric alerts are never stateful.

B.

Metric thresholds, if set, will persist across storage and database server reboots.

C.

SMTP metric alert notifications must be sent to both ASR manager and Enterprise Manager agents.

D.

Metric alert notifications can be sent to only one destination such as Enterprise Manager OR SNMP OR SMTP.

E.

Metrics have no thresholds set on them by default.

Question # 7

What does the following command do?

root@rul6 -]# for j in {01..23} ; do ipmitool sunoem cli "set /SP/network/test ping=192.168.1.1$j'' ; done

A.

Sets the address for each storage and database server's /SP during installation to enable ping testing from the management network, run from the first database server.

B.

Verifies that the ILOM management network is working before installation of all storage and database servers in a full rack Exadata X9M-2, run from the first database server.

C.

Verifies that the ILOM management network is working after OEDA configuration has completed for all storage and database servers in a full rack Exadata X9M-2, run from the first database server.

D.

Sets the test address for the RoCE network for all storage and database servers in a full rack Exadata X9M-2, run from the first database server.

Question # 8

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

A.

RoCE network interface cards in the storage servers

B.

fans in the storage servers

C.

Cisco RDMA over Converged Ethernet (RoCE) switches

D.

RoCE network interface cards in the database servers

E.

power distribution units

F.

Cisco management switch

G.

power supplies in the database servers

Question # 9

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

Question # 10

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

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