1Z0-902 Online Practice Questions and Answers

You have been asked to design a backup solution for an Exadata X9M-2 Quarter Rack with Extreme Flash Storage Servers connected to a new ZFS Storage Appliance ZS7 with 2 Storage Controllers with 100Gb Ethernet cards and 3 Storage Trays. You are using Oracle Exadata Configuration Assistant to validate the rack layout.

1.

Use "Add Equipment" to add the Exadata X9M EF Storage Servers, starting from RU10.

2.

Use drop down to add ZFS Storage Appliance Controllers.

3.

You cannot add ZFS Storage Appliance to an Exadata Rack.

4.

Use "Add Equipment" to add the ZFS Storage Trays, starting from RU1.

5.

Use drop down to add ZFS Storage Trays.

6.

Use "Add Equipment" to add the Exadata X9M Database Servers, starting from RU16.

7.

Use "Add Equipment" to add the Exadata X9M EF Storage Servers, starting from RU1.

8.

Use drop down to add Exadata X9M EF Storage Servers.

9.

Use "Add Equipment" to add the ZFS Storage Controllers, starting from RU27.

10.

Use drop down to add Exadata X9M Database Servers.

11.

Use "Add Equipment" to add the ZFS Storage Trays, starting from RU31. Which of these steps are correct and what is their correct order?

A. 10, 8, 2, 5

B. 4,1, 6, 9

C. 3

D. 10, 8, 9, 11

E. 7,6,9,11

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

You have been asked by Oracle Support to check the firmware of the hard and flash disks in a storage server. Which cellcli command should you use to get this information?

A. list celldisk attributes name, deviceName, diskType, physicalFirmware

B. list cell attributes name, deviceName, diskType, physicalFirmware

C. list physicaldisk attributes name, deviceName, diskType, physicalFirmware

D. list devices attributes name, deviceName, diskType, physicalFirmware

Which are three customer options for hosting the Platinum Services Advanced Support Gateway?

A. Install on Oracle Database Appliance.

B. Provide individual x86 64-Bit gateway hardware.

C. Install in Oracle Virtual Machine with required hardware.

D. Purchase the recommended x86 64-Bit gateway hardware from Oracle.

E. Install on Exadata Engineered System.

Which two statements are true about applying updates on Exadata systems?

A. Failed storage server updates are automatically rolled back to a previous release.

B. To speed up applying storage server updates in a rolling manner, updating two storage servers simultaneously is recommended.

C. Updating kernel and RDMA packages on storage cells should be prevented by excluding them with the yum --exclude option.

D. For regular Exadata updates, yum automatically installs a non-UEK kernel, which can be selected to boot from grub.

E. Failed database server updates are rolled back to a working state on a previous release automatically.

F. When running a "yum update" for a new Exadata release, all other repositories should be disabled.

You are planning the monitoring configuration for your Exadata X9M Database Machine.

Which three components are monitored directly through the use of Exadata-specific Enterprise Manager Plug-Ins?

A. ASM instances

B. Hybrid Columnar Compression (HCC) ratios on Extended (XT) storage servers

C. the storage server ILOM

D. the Power Distribution Units (PDUs)

E. Oracle clusterware on the database server

F. the RDMA over Converged Ethernet (RoCE) switches

You have been asked to investigate why an Exadata Database Server stopped communicating on the client network for 10 minutes over the past weekend.

Which command would help investigate this?

A. $ ${ORACLE_HOME}/suptools/tfa/release/tfa_home/bin/tfact1 --from _17:00:00 --to _23:59:00

B. # /opt/oracle.SupportTools/ibdiagtools/netcheck/runDiagnostics.pm --from _17:00:00 --to _23:59:00

C. # /opt/oracle.ExaWatcher/GetExaWatcherResults.sh --from _17:00:00 --to _23:59:00

D. # /opt/oracle.SupportTools/exachk/exachk --from _17:00:00 --to _23:59:00

You are providing oversight for the delivery of a new Exadata Database Machine.

1.

Stabilize the Exadata Rack.

2.

Unpack Oracle Exadata Rack.

3.

Review the safety guidelines.

4.

Let the Exadata acclimatize for 24 hours.

5.

Power on Exadata PDU A.

6.

Place Exadata in its allocated space.

7.

Power on Exadata PDU B.

What is the correct order of these steps?

A. 4,3,2,6,1,7,5

B. 3,2,6,4,1,7,5

C. 2,3,4,6,1,7,5

D. 3,2,6,1,4,7,5

E. 2,6,1,4,3,7,5

Which two statements are true for the Oracle Exadata Configuration Assistant (OECA)?

A. OECA reconfigures the size of disk groups and recreates grid disks.

B. OECA extends the hardware for the elastic configuration only.

C. OECA allows one XT storage server in the configuration.

D. OECA's "Add Equipment" input option allows allocation of RU slots for customer equipment.

E. OECA facilitates PDU power selection initially and after equipment addition.

Which two statements are true about enabling write-back flash cache?

A. Write-back flash cache is on by default for High Capacity Storage Servers in High Redundancy configurations.

B. Write-back Flash Cache cannot be used on Extreme Flash Storage Servers.

C. When enabling write-back flash cache in a rolling manner, DBCLI should be used to inactivate the grid disks on all cells first.

D. Before write-back flash cache is enabled, you need to drop the Flash Cache first.

E. When enabling write-back flash cache in a non-rolling manner, you need to drop the Persistent Memory Commit Accelerator (PMEMLog) first.