1Z1-902 RELIABLE BRAINDUMPS FREE | 1Z1-902 RELIABLE EXAM BRAINDUMPS

1z1-902 Reliable Braindumps Free | 1z1-902 Reliable Exam Braindumps

1z1-902 Reliable Braindumps Free | 1z1-902 Reliable Exam Braindumps

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Oracle 1Z0-902 (Oracle Exadata Database Machine X8M Implementation Essentials) certification exam is designed to validate the knowledge and skills of professionals who are responsible for implementing and managing the Oracle Exadata Database Machine X8M system. 1z1-902 exam is intended for candidates who have experience working with Oracle Exadata Database Machine X8M and are looking to enhance their skills and knowledge to take on more advanced roles within their organizations.

Oracle 1z1-902 Certification Exam, also known as the Oracle Exadata Database Machine X8M Implementation Essentials exam, is designed for IT professionals who want to demonstrate their expertise in implementing and managing Oracle Exadata Database Machine X8M systems. Oracle Exadata Database Machine X8M Implementation Essentials certification is ideal for database administrators, system administrators, and other IT professionals who work with Oracle Exadata Database Machine X8M systems.

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Oracle Exadata Database Machine X8M Implementation Essentials Sample Questions (Q62-Q67):

NEW QUESTION # 62
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 the ASM instances
  • B. alert logs for the prod database instances
  • C. Enterprise Manager Alerts on the ILOM home page for cell connectivity problems for the prod database instances
  • D. Enterprise Manager Alerts on the Exadata Storage Server Grid home page
  • E. alert logs for Enterprise Manager

Answer: C,D


NEW QUESTION # 63
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. 3, 4, 8, and 10 run on the database servers; 1, 2, 5, 6, 7 and 9 run on the Exadata storage servers.
  • B. 1, 2, 3, 4, 8 and 9 run on the database servers; 5, 6, 7, 9 and 10 run on the Exadata storage servers.
  • C. 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.
  • D. 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.
  • E. 2, 3, 4, 8, and 10 run on the database servers; 1, 5, 6, 7and 9 run on the Exadata storage servers.

Answer: D

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 # 64
What is the minimum Oracle Linux version required to support RoCE and Persistent Memory?

  • A. Oracle Linux 7.7
  • B. Oracle Linux 7.5
  • C. Oracle Linux 7.9
  • D. Oracle Linux 8.0

Answer: C

Explanation:
RoCE (RDMA over Converged Ethernet) and Persistent Memory are features that are supported by Oracle Linux. The minimum version of Oracle Linux required to support RoCE and Persistent Memory is Oracle Linux 7.9.
RoCE is a low-latency, high-bandwidth networking technology that enables fast data transfer between servers using converged Ethernet networks. It is supported by Oracle Linux 7.9 and later versions, which includes the necessary kernel modules and user-space libraries to enable RoCE.
Persistent Memory is a technology that allows data to be stored in non-volatile memory (NVM) devices, such as NVDIMMs (Non-Volatile Dual In-line Memory Modules), which can be accessed at near-DRAM speeds. Oracle Linux 7.9 and later versions include support for Persistent Memory, which includes kernel modules and user-space libraries to enable Persistent Memory.


NEW QUESTION # 65
Which two statements are false about backup to ZFS Storage Appliance (ZFSSA)?

  • A. ZFS Snapshots can provide rapid cloning of development and test environment.
  • B. When backing up multi-rack systems, sharing Exadata X9M switches is recommended.
  • C. ZFSSA may connect directly to the Exadata 100Gb RoCE network switches.
  • D. Top of Rack (ToR) switches are managed as part of the hardware stack and software levels are upgraded during the patching process.

Answer: B,C

Explanation:
1. ZFS Storage Appliance (ZFSSA) can't connect directly to the Exadata 100Gb RoCE network switches. ZFSSA uses Fibre Channel protocol to connect to the Exadata storage cells. C. When backing up multi-rack systems, sharing Exadata X9M switches is not recommended. Each rack should have its own switches to minimize the risk of data loss due to switch failure.
Review the safety guidelines.
Unpack Oracle Exadata Rack.
Let the Exadata acclimatize for 24 hours.
Place Exadata in its allocated space.
Stabilize the Exadata Rack.
Power on Exadata PDU A.
Power on Exadata PDU B.
This order ensures that the necessary safety precautions are taken before installing the Exadata Database Machine, and that the machine is allowed to acclimate to its new environment before being powered on.


NEW QUESTION # 66
What are two recommended configuration best practices for backup and recovery on Exadata?

  • A. The internal Recovery Appliance backup and restore processing is optimized when the RMAN FILESPERSET parameter is set to 1 for the level 1 incremental backup set.
  • B. When off-site long-term backup retention is needed, use Oracle Database Backup Cloud Service as a low-cost, offsite scalable storage for a disaster recovery solution.
  • C. Placing the backup network on dedicated switches installed in the top of the rack (ToR) has the benefits of isolating the backup network from other workloads and providing a greater level of control.
  • D. Even if the backup was limited to writing to four tape drives, eight channels could be specified to expedite the restore process.

Answer: A,D


NEW QUESTION # 67
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