PASS GUARANTEED QUIZ 2025 1Z0-902: ORACLE EXADATA DATABASE MACHINE X8M IMPLEMENTATION ESSENTIALS MARVELOUS EXAM DURATION

Pass Guaranteed Quiz 2025 1Z0-902: Oracle Exadata Database Machine X8M Implementation Essentials Marvelous Exam Duration

Pass Guaranteed Quiz 2025 1Z0-902: Oracle Exadata Database Machine X8M Implementation Essentials Marvelous Exam Duration

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Oracle Exadata Database Machine X8M Implementation Essentials Sample Questions (Q50-Q55):

NEW QUESTION # 50
You must drop all celldisks on all the storage servers in an X9M-2 quarter rack as part of a reconfiguration project.
Which three statements describe the account on the storage servers which you should use and the tool that may be used to drop the celldisks?

  • A. to the CELLADMIN account using cellcli interactively on each storage server
  • B. to an administrator-created storage server user with appropriate privileges on celldisk objects by calling CELLCLI on all cells using exadcli
  • C. to an administrator-created storage server user with appropriate privileges on celldisk objects by calling EXACLI on all cells using exadcli
  • D. to the CELLMONITOR account using cellcli interactively on each storage server
  • E. to the CELLMONITOR account calling CELLCLI on all cells using DCLI
  • F. to the CELLADMIN account by calling CELLCLI on all cells using DCLI

Answer: A,B,F

Explanation:
To drop all celldisks on all the storage servers in an X9M-2 quarter rack, you should use the CELLADMIN account, which has the necessary privileges to perform this task. You can use the CELLCLI command-line interface to drop the celldisks. The best way to do this is by calling CELLCLI on all cells using DCLI (Oracle Database Command Line Interface) which allows you to run commands on multiple servers at once. Alternatively, you can use an administrator-created storage server user with appropriate privileges on celldisk objects by calling CELLCLI on all cells using exadcli. It is not recommended to use the CELLMONITOR account, as it has a more limited set of privileges. It is also important to note that EXACLI is not a valid tool for this task
https://docs.oracle.com/en/engineered-systems/exadata-database-machine/dbmmn/maintaining-exadata-storage-servers.html


NEW QUESTION # 51
Which four actions should you take before proceeding with applying updates to your Exadata Database Machine?

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

Answer: A,B,D,F


NEW QUESTION # 52
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.ExaWatcher/GetExaWatcherResults.sh -from <Fridays_Date>_17:00:00 -to <Sundays_Date>_23:59:00
  • B. # /opt/oracle.SupportTools/exachk/exachk -from <Fridays_Date>_17:00:00 -to <Sundays_Date>_23:59:00
  • C. # /opt/oracle.SupportTools/ibdiagtools/netcheck/runDiagnostics.pm -from <Fridays_Date>_17:00:00 -to <Sundays_Date>_23:59:00
  • D. $ ${ORACLE_HOME}/suptools/tfa/release/tfa_home/bin/tfact1 -from <Fridays_Date>_17:00:00 -to <Sundays_Date>_23:59:00

Answer: A

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 # 53
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. CellCLI alter GRIDDISK all inactive on the affected storage server
  • D. 'crsct1 stop cluster -all' on one of the database servers
  • E. CellCLI LIST GRIDDISK ATTRIBUTES name WHERE asmdeactivationoutcome != 'Yes' on the affected Storage server
  • F. shutdown -h now' on the affected storage server

Answer: F

Explanation:
https://docs.oracle.com/en/engineered-systems/exadata-database-machine/dbmmn/maintaining-exadata-storage-servers.html#GUID-AE16A1DA-53C6-4E80-94E5-963AA65373AB


NEW QUESTION # 54
An Exadata X9M-2 Elastic Rack with 4 Database Servers and 8 HC Storage Servers and 3-phase 24kVA PDUs is being installed in a Data Center. However, the Data Center is only providing enough power for a single cable from each PDU. Which statement is correct?

  • A. A splitter cable can be used to provide power to all PDU cables.
  • B. The installation cannot proceed until two power feeds are available per PDU.
  • C. The power cables from the servers to the PDUs can be rearranged inside the rack following OECA guidance to utilize a single PDU power cable.
  • D. The installation can go ahead, no change is required.

Answer: B

Explanation:
In order for an Exadata X9M-2 Elastic Rack to be installed, two power feeds are required for each of the three-phase 24kVA PDUs. A single cable from each PDU will not be enough to power the rack, and neither a splitter cable nor rearrangement of the power cables from the servers to the PDUs will be able to provide sufficient power for the system. Therefore, the installation cannot proceed until two power feeds are available per PDU.
For more information about power requirements for Exadata X9M-2 Elastic Racks, refer to the Oracle Exadata Database Machine X9M Implementation Essentials official text book and resources.
Search results: [1] Oracle Exadata Database Machine X9M-2 Full Rack Installation - Oracle Docs [2] Exadata Database Machine X8M-2 Mid-Size Rack Installation - Oracle Docs


NEW QUESTION # 55
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