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: Oct 24, 2026

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Question 1

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 2

You want to monitor how a large production table is accessed. Especially, you are interested to see how the

access on that particular table leverages the benefits of the Exadata Platform.

Which two actions are NOT appropriate for that purpose?

A : YOU query VSSYSTEM_EVENTS and filter for the event 'cell physical IO interconnect bytes returned by smart scan', associated to your table.

B : You query v$segment_statistics and filter for the Object ID of your table from dba_objects and the the column STATISTIC_NAME='optimized physical reads'.

C : You query v$SYSTAT and filter for the statistic 'cell smart table scan', associated to your table.

D : You run the CellCli-command list activerequest , filtering for the attributes ioReason and objectNumber, that you specify as 'Smart Scan' and the Object ID of your table from DBA_OBJECTS.

Answer: A,C

Question 3

Which two options describe the flash memory capabilities of the Exadata X9M-2 database and storage severs?

A : 4 x 6.4 TB NVMe flash cards on the High Capacity (HC) storage server

B : 4 x 6.4 TB NVMe flash cards on the database server

C : 8x 6.4 TB NVMe flash cards on the Extended (XT) storage server

D : No flash storage on the database server

E : 8 x 6.4 TB NVMe flash cards on the Extreme Flash (EF) storage server

Answer: A,E

Question 4

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

Answer: B,E

Question 5

Which of the below is NOT a precaution that should be adhered to in order to ensure the site is safe and ready for

A : Do not use a flathead screwdriver to disconnect connector locks on LAN cables.

B : Be sure that each grounding wire used for Oracle Exadata Rack is used exclusively for Oracle Exadata Rack.

C : Do not install Oracle Exadata Rack near a photocopy machine.

D : Do not place anything on top of Oracle Exadata Rack.

E : When using shared grounding, the grounding resistance must not be greater than 10 ohms.

F : Do not install Oracle Exadata Rack in a location that is exposed to direct sunlight.

Answer: C

Page: 1 / 17

Total 85 Questions | Updated On: Oct 24, 2026

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