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Know about the Passing Score, Duration & Questions for the Oracle 1Z0-902 Exam

Languages: English

Time Duration: 90 Minutes

Formate: Multiple Choice

The passing score: 64%

Number of Questions: 60 Questions

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Oracle Exadata Database Machine X8M Implementation Essentials Sample Questions (Q53-Q58):

NEW QUESTION # 53
You are adding a disk expansion kit to a running Exadata X8M Database Machine's Database Servers, and have a filesystem layout that includes:

After running the following commands, which command needs to be run to add 20G of space to the filesystem mounted on /u01?

A. # lvextend -L +20G -verbose /dev/VGExaDb/LVDbOralB. # xfs_growfs /uOl +20GC. # resize2fs +20G /dev/VGExaDb/LVDbOralD. # lvextend -L +20G -verbose /dev/mapper/VGExaDb-LVDbOral

Answer: D


NEW QUESTION # 54
Which statement is true about the patching features provided in Platinum Services?

A. The rolling and complete down time approaches are two options to patching.B. Oracle Platinum Service covers Exadata storage software and firmware patching, but customers must perform the database patching.C. Patching services are available for the full software stack up to twice per year.D. Patching is done automatically during business hours.

Answer: C

Explanation:
Oracle Platinum Services provides patching features for the full software stack, which includes operating systems, virtualization, storage software and firmware, and databases. This service is typically performed up to twice per year, allowing customers to schedule the patching at their convenience. The patching is usually done to keep the software and firmware up-to-date and to fix any known security vulnerabilities. It's important to note that patching services are not done automatically during business hours, customer's involvement and schedule is needed, and the rolling and complete downtime approaches are options to minimize the impact on the system during patching.
The correct statement about the patching features provided in Platinum Services is that patching services are available for the full software stack up to twice per year. Oracle Platinum Service covers Exadata storage software and firmware patching, and customers must also perform the database patching. The rolling and complete down time approaches are two options for patching, and patching should be scheduled for times when the system is not being heavily used. Patching is not done automatically during business hours. This is covered in section 4.13 of the Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book and Resources [1].
[1] https://docs.oracle.com/en/engineered-systems/exadata-database-machine/x9m/exad-implementing-database-machine-x9m.pdf Search results: [1] Oracle Exadata Storage Server Patching [1][2]. Oracle Exadata Storage Server patching is performed by a team of Oracle engineers [3][2], and includes the latest Oracle... [2] Patching and Upgrades. Oracle Database Machine provides automated patching and upgrades for the full Exadata software stack, up to twice a year, with... [3] Virtualized Exadata. Oracle Database Machine X9M-2 comes with a choice of two patching approaches to accommodate different customer needs: Rolling... [4] Jan 10, 2017 ... Exadata Patching Process. Oracle Exadata Storage Server patching is performed by a team of Oracle engineers [3][2], and includes the latest...


NEW QUESTION # 55
Which three steps are required to expand an Exadata X9M-2 Database Server with the lowest memory configuration available to the highest memory configuration?

A. Memory cannot be expanded on Exadata X9M-2 Database Servers.B. Add 12x 64GB DIMMs.C. Add 32x 64GB DIMMs.D. Add 24x 32GB DIMMs.E. Add 16x 64GB DIMMs.F. Add 12x 32GB DIMMs.G. Remove existing memory modules.H. Shutdown the Database Server if running.I. Add 16x 32GB DIMMs.

Answer: E,G,H

Explanation:
1. Remove existing memory modules: Before adding new memory modules, the existing memory modules should be removed.
2. Add 16x 64GB DIMMs: The new DIMMs should be added, in this case is 16 DIMMs of 64GB each, which will expand the memory to the highest configuration available.
3. Shutdown the Database Server if running: The Database Server should be shutdown before adding new memory modules in order to prevent any possible data loss or corruption.


NEW QUESTION # 56
Which are two correct statements for managing virtual deployment using Oracle Exadata Deployment Assistant (OEDA)?

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

Answer: B,D

Explanation:
Oracle Exadata Deployment Assistant (OEDA) enables customers to deploy Oracle Exadata Database Machine in virtualized environments and it support both bare metal and virtual machine deployment in an Exadata X9M Quarter Rack.
OEDA allows customers to have both bare metal (BM) and virtual machine (VM) in an Exadata X9M Quarter Rack, and it sets up key-based authentication for the root user by using the setuprootssh.sh utility included with OEDA. According to the Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book [1][2], OEDA deployment steps include setup, configure, deploy, and manage. The number of VMs in an Exadata rack is limited by the available resources in the rack, such as CPU, Memory, and Storage.


NEW QUESTION # 57
Which two quarantine types can disable Smart Scan for multiple databases that offload SQL statements to a cell on an Exadata Database Machine?

A. Database QuarantineB. Disk Region QuarantineC. Cell Offload QuarantineD. SQL Plan QuarantineE. Manually created Quarantine

Answer: A,D


NEW QUESTION # 58
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