Question 1

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

Options :

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

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?

Options :

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 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?

Options :

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 4

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

Options :

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 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?

Options :

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

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