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To pass the Oracle 1z1-902 exam, candidates must demonstrate their knowledge and skills in various areas, including Exadata Database Machine architecture, hardware components, software components, configuration, performance tuning, and troubleshooting. They should also be familiar with Oracle Database Administration, Oracle Clusterware, and Oracle Automatic Storage Management (ASM).

Oracle 1Z0-902 certification exam is designed for professionals who are interested in becoming certified in the implementation of Oracle Exadata Database Machine X8M. 1Z0-902 Exam Tests the candidate's knowledge and skills in deploying, configuring, and managing Exadata X8M systems, as well as troubleshooting and optimizing system performance. 1Z0-902 exam is intended for individuals who are responsible for implementing and managing Exadata X8M systems, such as database administrators, system administrators, and system architects.

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Oracle Exadata Database Machine X8M Implementation Essentials Sample Questions (Q12-Q17):

NEW QUESTION # 12
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. Purchase the recommended x86 64-Bit gateway hardware from Oracle.
D. Install in Oracle Virtual Machine with required hardware.
E. Install on Exadata Engineered System.

Answer: A,D,E

Explanation:
The Platinum Services Advanced Support Gateway is a component of Oracle's Platinum Services offering that enables customers to access advanced support features and tools, such as automated problem diagnosis and resolution. Customers have the option to host the Advanced Support Gateway on an Oracle Database Appliance, Oracle Virtual Machine with required hardware, or an Exadata Engineered System. These options allow customers to leverage existing infrastructure and resources to host the gateway, rather than needing to purchase and install new hardware. Providing individual x86 64-Bit gateway hardware or purchase the recommended x86 64-Bit gateway hardware from Oracle are also options but it depends on the customer's infrastructure and resources.

NEW QUESTION # 13
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. # /opt/oracle.SupportTools/exachk/exachk -from <Fridays_Date>_17:00:00 -to <Sundays_Date>_23:59:00
B. # /opt/oracle.SupportTools/ibdiagtools/netcheck/runDiagnostics.pm -from <Fridays_Date>_17:00:00 -to <Sundays_Date>_23:59:00
C. $ ${ORACLE_HOME}/suptools/tfa/release/tfa_home/bin/tfact1 -from <Fridays_Date>_17:00:00 -to <Sundays_Date>_23:59:00
D. # /opt/oracle.ExaWatcher/GetExaWatcherResults.sh -from <Fridays_Date>_17:00:00 -to <Sundays_Date>_23:59:00

Answer: D

Explanation:
AccordingtoOraclesdocumentationoneoftheutilitiesfordiagnosticsand
Explanation:
repair of Oracle Exadata Storage Server is ExaWatcher, which collects operating system and network metrics on database servers and storage servers. The utility is located in the /opt/oracle.ExaWatcher directory1.
To investigate why an Exadata Database Server stopped communicating on the client network for 10 minutes over the past weekend, you can use the GetExaWatcherResults.sh script to collect and analyze ExaWatcher data for a specified time range1.
Therefore, the command that you should use to investigate this is:
/opt/oracle.ExaWatcher/GetExaWatcherResults.sh -from <Fridays_Date>_17:00:00 -to <Sundays_Date>_23:59:00

NEW QUESTION # 14
Which two statements are false about backup to ZFS Storage Appliance (ZFSSA)?

A. ZFS Snapshots can provide rapid cloning of development and test environment.
B. When backing up multi-rack systems, sharing Exadata X9M switches is recommended.
C. ZFSSA may connect directly to the Exadata 100Gb RoCE network switches.
D. Top of Rack (ToR) switches are managed as part of the hardware stack and software levels are upgraded during the patching process.

Answer: B,C

Explanation:
A . ZFS Storage Appliance (ZFSSA) can't connect directly to the Exadata 100Gb RoCE network switches. ZFSSA uses Fibre Channel protocol to connect to the Exadata storage cells. C. When backing up multi-rack systems, sharing Exadata X9M switches is not recommended. Each rack should have its own switches to minimize the risk of data loss due to switch failure.
Review the safety guidelines.
Unpack Oracle Exadata Rack.
Let the Exadata acclimatize for 24 hours.
Place Exadata in its allocated space.
Stabilize the Exadata Rack.
Power on Exadata PDU A.
Power on Exadata PDU B.
This order ensures that the necessary safety precautions are taken before installing the Exadata Database Machine, and that the machine is allowed to acclimate to its new environment before being powered on.

NEW QUESTION # 15
Examine these commands:
1. Execute "crscti stop cluster -all" as the grid user from one database server.
2. Execute "crscti stop cluster -all" as root from one database server.
3. Power off all network switches.
4. Execute "crscti stop cluster" as root from one database server.
5. Execute "crscti stop cluster" as the grid user from one database server.
6. Power off the rack using the power switches on the PDUs.
7. Execute "shutdown -h now" on all database servers.
8. Execute "shutdown -h now" on all Exadata storage servers.
Which is the correct order or the required commands to completely power off an Exadata Database Machine in an orderly fashion?

A. 2, 8, 7, 3, and 6
B. 2, 7, 8, and 6
C. 4, 7, 8, 3, and 6
D. 5, 8, 7, and 6
E. 1, 8, 7, 3 and 6

Answer: B

Explanation:
In order to completely power off an Exadata Database Machine in an orderly fashion, it's important to properly shut down the cluster first. The command "crscti stop cluster" as root should be executed from one of the database servers.
Once the cluster has been stopped, the next step is to shut down the database servers by executing the command "shutdown -h now" on all database servers.
Next, shut down the Exadata storage servers by executing the command "shutdown -h now" on all Exadata storage servers.
Finally, power off the rack using the power switches on the PDUs.

NEW QUESTION # 16
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. 7,6,9,11
C. 4,1, 6, 9
D. 0
E. 10, 8, 9, 11

Answer: E

Explanation:
The correct order of steps is 10, 8, 9, 11. The 10th step is to use the drop down to add Exadata X9M Database Servers, the 8th step is to use the drop down to add Exadata X9M EF Storage Servers, the 9th step is to use "Add Equipment" to add the ZFS Storage Controllers, and the 11th step is to use "Add Equipment" to add the ZFS Storage Trays. These steps are referenced in the Oracle Exadata Database Machine X9M Implementation Essentials Official Textbook, which is available online at https://docs.oracle.com/cd/E80437_01/E80437/html/index.html.
https://docs.oracle.com/en/engineered-systems/exadata-database-machine/dbmin/configuring-exadata.html

NEW QUESTION # 17
......

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