Quiz 2025 Valid 1Z0-902: Passing Oracle Exadata Database Machine X8M Implementation Essentials Score

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Oracle 1z1-902 certification exam covers a range of topics related to Oracle Exadata Database Machine X8M implementation, including installation and configuration, backup and recovery, monitoring and troubleshooting, database consolidation, and performance tuning. Oracle Exadata Database Machine X8M Implementation Essentials certification exam is designed to test the candidate's ability to implement Oracle Exadata Database Machine X8M solutions in a production environment.

Oracle Exadata database machine X8M is an integrated platform that combines Oracle database software with hardware components. This machine is designed to deliver high performance, scalability, and reliability, making it an ideal solution for mission-critical applications. The Oracle 1z1-902 exam is designed to test the skills and knowledge required to implement and manage Oracle Exadata database machines, ensuring that IT professionals can effectively deploy and maintain these machines in real-world scenarios.

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Oracle 1z1-902 exam consists of 60 multiple-choice questions that must be completed within 105 minutes. 1Z0-902 exam covers a range of topics, including the architecture and components of Oracle Exadata database machines, the installation and configuration of Exadata software and hardware, database administration and performance tuning, and backup and recovery techniques. Candidates who Pass 1Z0-902 Exam will become Oracle certified professionals in Oracle Exadata database machine X8M implementation essentials.

Oracle Exadata Database Machine X8M Implementation Essentials Sample Questions (Q26-Q31):

NEW QUESTION # 26
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 power cables from the servers to the PDUs can be rearranged inside the rack following OECA guidance to utilize a single PDU power cable.
C. The installation can go ahead, no change is required.
D. The installation cannot proceed until two power feeds are available per PDU.

Answer: D

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 # 27
Which three of the following options are available for database consolidation on Exadata?

A. Multiple Databases on a cluster
B. Multiple Virtual Machine clusters supporting a single database for greatest resource isolation
C. Bare Metal deployment with one database per database server
D. Multiple databases spanning a Bare Metal and Virtual Machine cluster to provide resource isolation and consolidation concurrently
E. A single database with one or more schema per application
F. Multiple pluggable databases in one or more container databases on a Virtual Machine or Bare Metal cluster

Answer: B,D,F

Explanation:
Options A, D, and F are available for database consolidation on Exadata. Option A refers to the use of multiple pluggable databases in one or more container databases on either a Virtual Machine or Bare Metal cluster. Option D refers to the use of multiple databases spanning a Bare Metal and Virtual Machine cluster to provide resource isolation and consolidation concurrently. And finally, Option F refers to the use of multiple Virtual Machine clusters supporting a single database for greatest resource isolation. This is 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.

NEW QUESTION # 28
Examine this list of software components:
1. Oracle KVM Guest
2. Oracle Enterprise Manager Agent (OMA)
3. ASM instance
4. RDBMS instance
5. Automatic Diagnostic Repository Command Interpreter (ADRCI)
6. CELLCLI
7. Cell Server(CELLSRV)
8. diskmon
9. Restart Server (RS)
10. Management Server (MS)
What is the correct location where these software components can run in the standard Exadata Database Machine deployment?

A. 1, 2, 3, 4, 8 and 9 run on the database servers; 5, 6, 7, 9 and 10 run on the Exadata storage servers.
B. 1, 2, 3, 4, 9 and 10 run on the database servers; 5, 6, 7, 8, 9, and 10 run on the Exadata storage servers.
C. 1, 2, 3, 4, 5, 8, 9 and 10 run on the database servers; 5, 6,7, 9 and 10 run on the Exadata storage servers.
D. 2, 3, 4, 8, and 10 run on the database servers; 1, 5, 6, 7and 9 run on the Exadata storage servers.
E. 3, 4, 8, and 10 run on the database servers; 1, 2, 5, 6, 7 and 9 run on the Exadata storage servers.

Answer: C

Explanation:
Oracle KVM Guest: This is a virtual machine that runs on top of Oracle Linux KVM hypervisor. It can be used to run Oracle Database or other applications on Exadata Database Machine2. Therefore, it runs on the Database Servers.
Oracle Enterprise Manager Agent (OMA): This is a software agent that communicates with Oracle Enterprise Manager Cloud Control and provides monitoring and management capabilities for Exadata Database Machine2. Therefore, it runs on both Database Servers and Storage Servers.
ASM instance: This is an instance of Oracle Automatic Storage Management (ASM), which is a volume manager and a file system for Oracle Database files. It manages disk groups that span across multiple Storage Servers2. Therefore, it runs on the Database Servers.
RDBMS instance: This is an instance of Oracle Database that processes SQL statements and executes transactions. It uses ASM disk groups to store data files, control files, redo log files, etc2. Therefore, it runs on the Database Servers.
Automatic Diagnostic Repository Command Interpreter (ADRCI): This is a command-line tool that enables you to view diagnostic data stored in the Automatic Diagnostic Repository (ADR). ADR is a file-based repository for database diagnostic data such as trace files, alert logs, etc2. Therefore, ADRCI runs on both Database Servers and Storage Servers, depending on where the ADR is located.
CELLCLI: This is a command-line interface that enables you to configure and manage Exadata Storage Server Software. It allows you to perform tasks such as creating disk groups, monitoring cell health, applying patches, etc2. Therefore, it runs on the Storage Servers.
Cell Server(CELLSRV): This is a process that runs on each Storage Server and handles I/O requests from the Database Servers. It implements Exadata Smart Scan , which offloads data-intensive SQL operations from the Database Servers to the Storage Servers2. Therefore, it runs on the Storage Servers.
diskmon: This is a process that monitors the status of disks and flash devices on each Storage Server. It reports disk failures and performs automatic disk reclamation2. Therefore, it runs on the Storage Servers.
Restart Server (RS): This is a process that manages automatic restarts of critical processes such as CELLSRV , MS , or OMA in case of failures. It also handles graceful shutdowns and startups of all processes on each server2. Therefore, it runs on both Database Servers and Storage Servers.
Management Server (MS): This is a process that provides management services for each server such as collecting metrics , logging events , executing commands from CELLCLI , etc2. Therefore, it runs on both Database Servers and Storage Servers

NEW QUESTION # 29
Which three statements are true about the Grid Infrastructure configuration after a nonvirtual deployment of a new Exadata Database Machine with a single cluster?

A. Grid Naming Service (GNS) is not configured.
B. Grid Infrastructure uses the management network as the cluster interconnect.
C. The ora. diskmon clusterware resource is enabled and online.
D. Three Single Client Access Name (SCAN) listeners are configured on the client access network.
E. Three Single Client Access Name (SCAN) listeners are configured on the RDMA over Converged Ethernet (RoCE) network.
F. The OCR is multiplexed in the DATA_<DBM__NAMe> and RECo_<dbm_name> diskgroups.

Answer: C,E,F

Explanation:
For a non-virtual deployment of Oracle Exadata with a single cluster:
Single Client Access Name (SCAN) Listeners: By default, three SCAN listeners are configured on the RDMA over Converged Ethernet (RoCE) network. This setup allows for load balancing and high availability of incoming client connections across the cluster nodes.
Oracle Cluster Registry (OCR) Multiplexing: The OCR is typically stored in multiple locations within the disk groups to enhance reliability and fault tolerance. On Exadata, the OCR is multiplexed across the DATA and RECO disk groups for enhanced resilience.
ora.diskmon Resource: This is an essential component of Oracle Clusterware, responsible for monitoring and managing disk-related cluster resources. It is always enabled and kept online by Oracle Clusterware on Exadata systems.

NEW QUESTION # 30
Which are three customer options for hosting the Platinum Services Advanced Support Gateway?

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

Answer: A,B,E

Explanation:
According to Oracle's documentation1, the customer options for hosting the Platinum Services Advanced Support Gateway are:
Provide individual x86 64-Bit gateway hardware1
Purchase the recommended x86 64-Bit gateway hardware from Oracle1
Install on Oracle Database Appliance2

NEW QUESTION # 31
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Quiz 2025 Valid 1Z0-902: Passing Oracle Exadata Database Machine X8M Implementation Essentials Score

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Oracle Exadata Database Machine X8M Implementation Essentials Sample Questions (Q26-Q31):

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