2025 Oracle 1Z0-902–Reliable Real Exam Questions

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Oracle Exadata Database Machine X8M Implementation Essentials Sample Questions (Q48-Q53):

NEW QUESTION # 48
Which are three customer options for hosting the Platinum Services Advanced Support Gateway?

A. Install on Exadata Engineered System.
B. Purchase the recommended x86 64-Bit gateway hardware from Oracle.
C. Install on Oracle Database Appliance.
D. Install in Oracle Virtual Machine with required hardware.
E. Provide individual x86 64-Bit gateway hardware.

Answer: B,C,D

NEW QUESTION # 49
Which three statements are true about the CELLCLI command?

A. It has command-line history.
B. It requires root privileges to create CELLDISKS and GRIDDISKS.
C. It can execute commands on multiple storage servers in parallel.
D. It can be executed on storage servers.
E. It can be executed using the DCLI utility.

Answer: A,D,E

Explanation:
The CellCLI utility supports command-line history.
Each Exadata Storage cell can be monitored, configured, and maintained using the cellcli command line interface.
The dcli utility facilitates centralized management across an Oracle Exadata Storage Server Software realm by automating the execution of CellCLI commands on a set of cells and returning the output to the centralized management location where the dcli utility was run.

NEW QUESTION # 50
Which two statements are correct about adding an additional database server to a physical Exadata X9M Database Machine using Oracle Exadata Deployment Assistant (OEDA)?

A. Do not proceed if the OEDA Validate Configuration File step displays an error message about missing files p6880880.zip.
B. It is required to install OEDA on the first new database server.
C. Executing /opt/oracle.supportTools/reclaimdisks.sh -free -reclaim on each Exadata X9M Database server is required to reclaim disk space and perform partition reconfiguration.
D. In order to configure the servers with Oracle Exadata Deployment Assistant (OEDA), the new server information must be entered in OEDA, and the configuration file must contain existing nodes.
E. The applyElasticConfig.sh script performs network configuration for the new servers. The new servers are restarted at the end of the process.

Answer: A,E

Explanation:
It is not necessary to execute /opt/oracle.supportTools/reclaimdisks.sh -free -reclaim on each Exadata X9M Database server, nor is it required to install OEDA on the first new database server. In order to configure the servers with Oracle Exadata Deployment Assistant (OEDA), the new server information must be entered in OEDA, and the configuration file must contain existing nodes.
Search results: [1] Refer to the Oracle Exadata Database Machine X9M Implementation Essentials documentation for more information on adding an additional database server to a physical Exadata X9M Database Machine using Oracle Exadata Deployment Assistant (OEDA). [2] Oracle Exadata Deployment Assistant (OEDA) is a graphical user interface (GUI) tool used to configure the Oracle Exadata Database Machine X9M. [3] This article provides the step-by-step instructions to add an additional database server to a physical Exadata X9M Database Machine using Oracle Exadata Deployment Assistant (OEDA). [4] It is important to run the OEDA Validate Configuration File step prior to adding the new server to ensure the configuration file is valid and that all required files exist. [5] When adding a new database server with OEDA [1], the configuration file must contain the existing nodes and the new server information must be entered in OEDA. [6] The applyElasticConfig.sh script must be executed to configure the new servers, after which the new servers will be restarted.

NEW QUESTION # 51
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 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.
B. You query v$SYSTAT and filter for the statistic 'cell smart table scan', associated to your table.
C. YOU query VSSYSTEM_EVENTS and filter for the event 'cell physical IO interconnect bytes returned by smart scan', associated to your table.
D. You query v$segment_statistics and filter for the Object ID of your table from dba_objects and the the column STATISTIC_NAME='optimized physical reads'.

Answer: B,C

Explanation:
A) YOU query VSSYSTEM_EVENTS and filter for the event 'cell physical IO interconnect bytes returned by smart scan', associated to your table. This does not show how much data was filtered by Smart Scan, but only how much data was returned after Smart Scan12.
C) You query v$SYSTAT and filter for the statistic 'cell smart table scan', associated to your table. This does not show how much data was filtered by Smart Scan for a specific table, but only for all tables in a session12.
https://www.databasejournal.com/oracle/monitoring-smart-scans-in-oracle-exadata/

NEW QUESTION # 52
Which four actions should you take before proceeding with applying updates to your Exadata Database Machine?

A. Check the Exadata Critical Issues My Oracle Support note 1270094.1 for any issues not added to the latest version of exachk.
B. Run patchmgr --all_comp -autofix -autobackup -upgrade -rolling.
C. For database servers, perform a server backup using patchmgr -dbnodes db_list_file -backup -rolling.
D. Run the appropriate patchmgr preqequisite check step for each component being updated.
E. Consult My Oracle Support note 888828.1 to determine the current recommended Exadata software release.
F. Run exachk and resolve only WARNINGS that you have not seen before.

Answer: A,C,D,E

NEW QUESTION # 53
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2025 Oracle 1Z0-902–Reliable Real Exam Questions

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Oracle Exadata Database Machine X8M Implementation Essentials Sample Questions (Q48-Q53):

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