1Z1-902 RELIABLE SOURCE: ORACLE EXADATA DATABASE MACHINE X8M IMPLEMENTATION ESSENTIALS - ORACLE 1Z1-902 EXAM TUTORIAL PASS FOR SURE

1z1-902 Reliable Source: Oracle Exadata Database Machine X8M Implementation Essentials - Oracle 1z1-902 Exam Tutorial Pass for sure

1z1-902 Reliable Source: Oracle Exadata Database Machine X8M Implementation Essentials - Oracle 1z1-902 Exam Tutorial Pass for sure

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Oracle 1z1-902 certification exam is designed for individuals who want to validate their skills in implementing and managing Oracle Exadata Database Machine X8M. 1z1-902 exam is intended to test the candidates' knowledge of various topics related to the implementation and configuration of the Exadata Database Machine X8M. Passing 1z1-902 Exam demonstrates that you have a deep understanding of the Exadata Database Machine and can implement and manage it in an enterprise environment.

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Oracle 1Z0-902 certification exam is designed for IT professionals who are interested in validating their skills and knowledge in implementing Oracle Exadata Database Machine X8M. Oracle Exadata Database Machine X8M Implementation Essentials certification exam is an important step for those who want to demonstrate their expertise in implementing and managing Oracle Exadata Database Machine X8M.

Oracle Exadata Database Machine X8M Implementation Essentials Sample Questions (Q10-Q15):

NEW QUESTION # 10
You use Enterprise Manager to monitor all the components of your Exadata Database Machine.
Recently, you discovered that certain asmdisks were offline in one of the diskgroups used by the rac database called prod.
In which two sources would you find diagnostic messages related to this problem?

  • A. alert logs for Enterprise Manager
  • B. Enterprise Manager Alerts on the ILOM home page for cell connectivity problems for the prod database instances
  • C. alert logs for the ASM instances
  • D. Enterprise Manager Alerts on the Exadata Storage Server Grid home page
  • E. alert logs for the prod database instances

Answer: C,E

Explanation:
According to the Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book and Resources, you can find diagnostic messages related to this problem in the alert logs for the ASM instances and the alert logs for the prod database instances. The alert logs for the ASM instances will provide information related to the offline asm disks, while the alert logs for the prod database instances will provide information related to whether the prod database instances are connected to the ASM instance or not.
https://docs.oracle.com/en/engineered-systems/exadata-database-machine/sagug/exadata-administering-asm.html


NEW QUESTION # 11
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. the Power Distribution Units (PDUs)
  • B. the storage server ILOM
  • C. Hybrid Columnar Compression (HCC) ratios on Extended (XT) storage servers
  • D. Oracle clusterware on the database server
  • E. ASM instances
  • F. the RDMA over Converged Ethernet (RoCE) switches

Answer: C,D,E

Explanation:
Exadata-specific Enterprise Manager Plug-Ins are used to monitor different components of the Exadata Database Machine.
1. ASM instances: The Automatic Storage Management (ASM) instances can be monitored directly through the use of Exadata-specific Enterprise Manager Plug-Ins. This allows you to monitor the storage space, disk usage, and performance of the ASM instances.
2. Hybrid Columnar Compression (HCC) ratios on Extended (XT) storage servers: The HCC ratios on Extended (XT) storage servers can be monitored directly through the use of Exadata-specific Enterprise Manager Plug-Ins. This allows you to monitor the compression ratios and performance of the storage servers.
3. Oracle clusterware on the database server: The Oracle clusterware on the database server can be monitored directly through the use of Exadata-specific Enterprise Manager Plug-Ins. This allows you to monitor the health and performance of the clusterware.


NEW QUESTION # 12
You are concerned about the operating temperature of the database servers in your Exadata Full Rack and want to be alerted if the server exceeds 30C.
What command should use use to generate alerts for such an event?

  • A. dbmcli -e "set alert ds_temp> 30" on each database server
  • B. dbmcli -e "create threshold ds_temp comparison='>', critical=30" on each database server
  • C. dbmcli -e "set threshold ds_temp comparison=' >', critical=30" on each database server
  • D. dbmcli -e "alert metriccurrent ds_temp where metricValue > 30" on each database server

Answer: B

Explanation:
According to Oracle's documentation1, to set a threshold for a metric on a database server, you need to use the create threshold command with the appropriate parameters. The set threshold command is used to modify an existing threshold2.
Therefore, the command that you should use to generate alerts for such an event is:
dbmcli -e "create threshold ds_temp comparison='>', critical=30" on each database server1


NEW QUESTION # 13
You are going to create an ACFS Filesystem for use as a staging area for data loads. Examine the following commands:

What steps and in which order should they be executed?

  • A. 6, 2, 1, 8, 4, 5
  • B. 6, 8, 3, 4, 2, 1
  • C. 6, 3, 1, 9, 7, 8
  • D. 6, 1, 2, 7, 5, 8

Answer: A

Explanation:
The steps and the order in which they should be executed to create an ACFS Filesystem for use as a staging area for data loads are:
asmcrad volcreate -G data -s 1024G acfs_dataload_vol : This command creates a new volume in the data diskgroup, with a size of 1024 GB, and named acfs_dataload_vol.
asmcmd vol info -G data acfs_dataload_vol | grep Device: This command will show the device name of the newly created volume
/usr/sbin/mkfs -t acfs /dev/asm/ac:fs_dataload_vol-123: This command creates a new ACFS filesystem on the volume created in step 1 sudo /u01/app/19.0.0.0/grid/bin/srvctl start filesystem -device /dev/asn/acfs_dataload_vol-123: This command starts the filesystem created in step 3 sudo chovn -R oracle:dba /mnt/acfs_dataload_vol: This command changes the ownership of the /mnt/acfs_dataload_vol to the oracle:dba user.
/sbin/acfsutil snap create -v data_load /mnt/acfs_dataload_vol: This command creates a snapshot of the filesystem to be used as a staging area.
acfsutil size +2S0G -d /dev/asm/acfs_dataload_vol-123 /mnt/acfs_dataload_vol/ : This command increases the size of the filesystem by 2GB
/u01/app/19-G.O-Q7grid/bin/srvctl add filesystem -device /dev/asm/acfs_dataload_vol-


NEW QUESTION # 14
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. $ ${ORACLE_HOME}/suptools/tfa/release/tfa_home/bin/tfact1 -from <Fridays_Date>_17:00:00 -to <Sundays_Date>_23:59:00
  • D. # /opt/oracle.SupportTools/ibdiagtools/netcheck/runDiagnostics.pm -from <Fridays_Date>_17:00:00 -to <Sundays_Date>_23:59:00

Answer: B

Explanation:
Exachk is an Oracle-provided diagnostic tool that allows you to check various components of an Exadata Database Server, including the client network. The tool is located in the /opt/oracle.SupportTools/exachk/ directory and can be run with the command: exachk. This command can be run with the option -from <Fridays_Date>_17:00:00 and -to <Sundays_Date>_23:59:00 to specify a time range of interest, this way you can check the client network status between the specified time range. The tool checks the status of various components such as network interfaces, InfiniBand fabric, and storage servers. It also analyzes log files, configuration files, and system settings to detect any issues. The tool generates a report, which can be used to identify the root cause of the issue and provide recommendations for resolution.
Tfact1 is a tool to collect diagnostic information from Exadata and non-Exadata systems and it is not related to client network status.
Netcheck and GetExaWatcherResults.sh are not tools provided with the Exadata Database Server and they are not related to client network status.


NEW QUESTION # 15
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