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Oracle 1z1-902 Exam is an essential certification for IT professionals who seek to specialize in Oracle Exadata database machine implementation. Oracle Exadata Database Machine X8M Implementation Essentials certification will validate their skills and knowledge, making them more competitive in the job market and providing them with the ability to effectively deploy and manage Oracle Exadata database machines in real-world scenarios.

Oracle Exadata Database Machine X8M is a high-performance system designed to deliver extreme performance, scalability, and availability for mission-critical workloads. It is a fully integrated system that combines hardware and software components to deliver a complete database solution. The Oracle 1Z0-902 certification exam covers a wide range of topics related to the implementation and management of the Oracle Exadata Database Machine X8M, including hardware and software architecture, configuration and management, database deployment, monitoring and troubleshooting, and backup and recovery.

Oracle Exadata Database Machine X8M is a high-performance, scalable database machine that is designed to meet the needs of large and complex data processing environments. The machine is built on a powerful hardware platform that includes the latest technologies, such as Intel Xeon processors, high-speed InfiniBand networking, and flash storage.

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Oracle Exadata Database Machine X8M Implementation Essentials Sample Questions (Q11-Q16):

NEW QUESTION # 11
Which three statements are true about Oracle Configuration Manager (OCM) for an Exadata Database Machine?

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

Answer: A,D,E

Explanation:
It collects configuration information automatically (B). OCM gathers detailed configuration information about a variety of designated Oracle products and components across an enterprise on a regular basis2.
It collects configuration information on demand . OCM can also collect configuration information manually when requested by the user or by Oracle Support2.
Collected configuration information can be uploaded automatically to Oracle (E). OCM can upload the collected configuration information to My Oracle Support automatically for analysis and support purposes3.

NEW QUESTION # 12
Your system administrator reports an amber, non-blinking light on one of your Exadata storage disks. You immediately execute the 'list physicaldisk where diskType=HardDisk and status=failed DETAIL' command on the Exadata storage system and the specified disk is indeed reported as failed. Platinum Support has not been enabled for this system. Enterprise Manager Cloud Control is monitoring the system.
What is the next step that you should perform before you do anything else?

A. Wait for the email of the failure that Exadata or Enterprise Manager will send.
B. Download and run the latest exadiag tool.
C. Call Oracle Support and make an appointment so that the drive can be replaced.
D. Check the database to see if any rebalance operations are active.
E. Ask the system administrator to replace the broken disk with a spare.
F. Wait for a blue light to appear on the disk if the rebalance operation is running.

Answer: F

Explanation:
According to Oracle documentation1, Exadata Storage software has a complete set of automated operations for hard disk maintenance, when a hard disk has failed or has been flagged as a problematic disk. It will initiate a rebalance operation to redistribute data across other disks and mark the failed disk with an amber light.

NEW QUESTION # 13
Which four actions should you take before proceeding with applying updates to your Exadata Database Machine?

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

Answer: B,C,E,F

NEW QUESTION # 14
What are two recommended configuration best practices for backup and recovery on Exadata?

A. Even if the backup was limited to writing to four tape drives, eight channels could be specified to expedite the restore process.
B. 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.
C. 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.
D. 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.

Answer: C,D

Explanation:
According to the Oracle Exadata Database Machine documentation12, two recommended configuration best practices for backup and recovery on Exadata are:
A) 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) 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.

NEW QUESTION # 15
How is Exadata Secure RDMA Fabric isolation used in X9M-2 with virtualization enabled?

A. With Secure Fabric isolation, each Database VM Guest uses a dedicated network partition and VLAN ID for client networking between application servers. This improves security by preventing man in the middle attacks.
B. With Secure Fabric isolation, each Database VM cluster uses a dedicated network partition and VLAN ID for cluster networking between the database servers in the VM Cluster. This provides security and isolation between multiple tenants or VM clusters.
C. With Secure Fabric isolation, each Database VM Cluster uses a dedicated network partition and VLAN ID for Data Guard networking between the primary and disaster recovery Exadata racks. This improves security by isolating data guard traffic onto an encrypted network between data centers.
D. With Secure Fabric isolation, each Storage Server runs multiple KVM guests each dedicated to a Database VM cluster using a dedicated network partition and VLAN ID. This provides security and isolation between multiple tenants or VM clusters.

Answer: B

Explanation:
Exadata Secure RDMA Fabric isolation is a feature that allows you to use virtualization on the X9M-2 platform while maintaining security and isolation between multiple tenants or VM clusters. Secure Fabric isolation works by creating a dedicated network partition and VLAN ID for each Database VM cluster, which is used for cluster networking between the database servers in the VM Cluster. This ensures that the network traffic of each VM cluster is isolated from the others, and it prevents unauthorized access to the data or resources of other VM clusters. Secure Fabric isolation can also be used for other purposes such as client networking, Data Guard traffic, but it's mainly used to provide security and isolation between multiple tenants or VM clusters.
According to Oracle's documentation1, Exadata Secure RDMA Fabric Isolation is a feature that enables strict network isolation for Oracle Real Application Clusters (Oracle RAC) clusters on Exadata Database Machine systems that use RDMA over Converged Ethernet (RoCE). Exadata Secure RDMA Fabric Isolation uses RoCE VLANs to ensure that network packets from one VM cluster cannot be seen by another VM cluster. VLAN tag enforcement is done at the KVM host level, which means that security cannot be bypassed by any software exploits or misconfiguration on the database server VMs1.
Therefore, the statement that is true about how Exadata Secure RDMA Fabric isolation is used in X9M-2 with virtualization enabled is:
With Secure Fabric isolation, each Database VM cluster uses a dedicated network partition and VLAN ID for cluster networking between the database servers in the VM Cluster. This provides security and isolation between multiple tenants or VM clusters.

NEW QUESTION # 16
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100% Pass Efficient 1z1-902 - Test Oracle Exadata Database Machine X8M Implementation Essentials Dumps

Oracle 1z1-902 Test Topics Pdf - New 1z1-902 Test Notes

Oracle Exadata Database Machine X8M Implementation Essentials Sample Questions (Q11-Q16):

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