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100％合格率の1z1-902参考書試験-試験の準備方法-素晴らしい1z1-902復習問題集

この時代の変革とともに、私たちは努力して積極的に進歩すべきです。我々の全面的な1z1-902問題集は数回の更新からもらった製品ですから、試験の合格を保証することができます。我々の提供した一番新しくて全面的な1z1-902問題集はあなたのすべての需要を満たすことができると信じています。

Oracle 1Z0-902は、Exadata Database Machine X8Mを最高水準で実装および運用するスキルを検証したいプロフェッショナルを対象として設計されています。試験に合格することにより、マシンのインストール、ソフトウェアの設定、バックアップ、パフォーマンス監視などの重要なタスクを実行できることが証明されます。

Oracle Exadata Database Machine X8M実装Essentials試験としても知られるOracle 1Z0-902は、Oracle Exadata Database Machine X8Mシステムの実装と管理において、IT専門家の知識とスキルをテストするために設計された認定試験です。この試験は、データベース管理者やシステム管理者を含むOracle Exadataシステムの実装と管理の経験がある個人を対象としています。この試験では、Exadataアーキテクチャ、インストールと構成、管理とメンテナンス、バックアップと回復、パフォーマンスチューニング、セキュリティなど、幅広いトピックをカバーしています。

1Z0-902試験は、Exadataアーキテクチャ、ソフトウェアのインストールと設定、データベースの移行、バックアップとリカバリー、パフォーマンスチューニング、トラブルシューティングなど幅広いトピックをカバーしています。候補者は、OracleデータベースとExadataテクノロジーについて深い理解を持ち、Exadataシステムのインストール、設定、およびメンテナンスの実践経験を持っていることが期待されています。この試験に合格することで、彼らのExadataシステムの実装と管理能力が証明され、データベース管理の分野でのキャリアアップに役立ちます。

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購入前にJpshikenが提供した無料の1z1-902問題集をダウンロードできます。自分の練習を通して、試験のまえにうろたえないでしょう。Jpshikenを選択して専門性の訓練が君の1z1-902試験によいだと思います。

Oracle Exadata Database Machine X8M Implementation Essentials 認定 1z1-902 試験問題 (Q18-Q23):

質問 # 18
Which dbmcli command is NOT valid on Exadata X9M?

A. dbmcli -e "LIST METRICHISTORY WHERE name LIKE 'DS_.*'"
B. dbmcli -e "LIST ALERTHISTORY WHERE agelnMinutes < 15"
C. dbmcli -e "LIST METRICCURRENT WHERE name = 'DS_TEMP' "
D. dbmcli -e "LIST IBPORT DETAIL"

正解：B

解説：
1. dbmcli -e "LIST METRICHISTORY WHERE name LIKE 'DS_.*'" is valid command and it is used to list the historical values for metrics where the name starts with "DS_."
2. dbmcli -e "LIST METRICCURRENT WHERE name = 'DS_TEMP' " is valid command and it is used to list the current value of the metric named "DS_TEMP"
3. dbmcli -e "LIST IBPORT DETAIL" is valid command and it is used to list the InfiniBand ports and details of the Exadata X9M.
"dbmcli" is a command-line tool that is used to manage and monitor the Exadata Database Machine. It allows you to perform various tasks such as managing the database, storage, and network components, and monitoring the performance and health of the machine. The command "dbmcli -e "LIST ALERTHISTORY WHERE agelnMinutes < 15" is not a valid command, it is not supported on Exadata X9M.

質問 # 19
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. It is required to install OEDA on the first new database server.
B. The applyElasticConfig.sh script performs network configuration for the new servers. The new servers are restarted at the end of the process.
C. 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.
D. Executing /opt/oracle.supportTools/reclaimdisks.sh -free -reclaim on each Exadata X9M Database server is required to reclaim disk space and perform partition reconfiguration.
E. Do not proceed if the OEDA Validate Configuration File step displays an error message about missing files p6880880.zip.

正解：B、E

解説：
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.

質問 # 20
Which three statements are true about Oracle Configuration Manager (OCM) for an Exadata Database Machine?

A. It collects configuration information automatically.
B. It is mandatory to install OCM on at least one database server.
C. It is mandatory to install OCM on all database servers.
D. It collects configuration information on demand.
E. Collected configuration information can be uploaded manually to Oracle.
F. Collected configuration information can be uploaded automatically to Oracle.

正解：B、C、E

解説：
According to the Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book and Resources, OCM is mandatory to install on at least one database server and can be used to collect configuration information on demand. The collected information can then be uploaded either manually or automatically to Oracle.

質問 # 21
Which are two correct statements for managing virtual deployment using Oracle Exadata Deployment Assistant (OEDA)?

A. OEDA sets up key-based authentication for the root user by using the setuprootssh.sh utility included with OEDA.
B. OEDA allows customers to have both bare metal (BM) and virtual machine (VM) in an Exadata X9M Quarter Rack.
C. OEDA deployment steps include calibrate cells, create cell disks, and resecure machine.
D. There is no limit on the number of VMs in an Exadata rack as long as the Exadata rack has adequate resources.

正解：A、C

解説：
C) OEDA deployment steps include calibrate cells, create cell disks, and resecure machine2.
D) OEDA sets up key-based authentication for the root user by using the setuprootssh.sh utility included with OEDA2.

質問 # 22
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'.

正解：C、D

解説：
The two actions that are not appropriate for monitoring how a large production table is accessed in order to leverage the benefits of the Exadata Platform are A) querying VSSYSTEMEVENTS and filtering for the event 'cell physical IO interconnect bytes returned by smart scan', associated to your table; and B) querying v$segmentstatistics and filtering for the Object ID of your table from dbaobjects and the the column STATISTICNAME='optimized physical reads'. Instead, you should query v$SYSTAT and filter for the statistic 'cell smart table scan', associated to your table (C), or 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 (D). These two methods are outlined in the Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book (Chapter 8, Monitoring the Exadata Database Machine).

質問 # 23
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