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New Oracle 1z1-902 Test Review | Guaranteed 1z1-902 Success

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Certification Topics of Oracle 1Z0-902 Exam

Exadata Database Machine Site and Implementation Planning (OECA&OEDA)
Exadata Database Maintenance Tasks
Exadata Database Machine Updates
Exadata Database Machine Integration
Exadata Database Machine Monitoring
Exadata Database Machine Security

Oracle 1z1-902 exam is designed to test the skills and knowledge of professionals who are interested in implementing the Oracle Exadata Database Machine X8M. 1z1-902 Exam is a vendor-specific certification that is intended for IT professionals who are responsible for implementing and managing the Exadata Database Machine in their organizations. Oracle Exadata Database Machine X8M Implementation Essentials certification is a great way for professionals to demonstrate their expertise in implementing and managing Oracle Exadata Database Machine X8M.

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Oracle Exadata Database Machine X8M Implementation Essentials Sample Questions (Q44-Q49):

NEW QUESTION # 44
Which two statements are true about enabling write-back flash cache?

A. Before write-back flash cache is enabled, you need to drop the Flash Cache first.
B. When enabling write-back flash cache in a rolling manner, DBCLI should be used to inactivate the grid disks on all cells first.
C. Write-back flash cache is on by default for High Capacity Storage Servers in High Redundancy configurations.
D. Write-back Flash Cache cannot be used on Extreme Flash Storage Servers.
E. When enabling write-back flash cache in a non-rolling manner, you need to drop the Persistent Memory Commit Accelerator (PMEMLog) first.

Answer: A,E

NEW QUESTION # 45
Which are two valid reasons for executing an X9M-2 Exadata storage server rescue procedure?

A. accidental loss of all data from all griddisks in a storage server
B. moving all disks from one cell to another as part of a chassis-level component failure
C. corruption in a normal or high redundancy ASM diskgroup
D. the failure of physical disk 0 and 11
E. the failure of physical disk 1
F. corruption in the / (root) filesystem
G. the failure of both physical M.2 disks

Answer: A,F

Explanation:
Reason B, corruption in the / (root) filesystem, is a valid reason for executing a storage server rescue procedure. If the root filesystem is corrupted, the storage server will no longer be able to boot and will need to be rescued.
Reason F, accidental loss of all data from all griddisks in a storage server, is also a valid reason for executing a storage server rescue procedure. If all data is accidentally lost from the griddisks in a storage server, the server will need to be rescued in order to recover the data.
For more information about the Exadata X9M-2 storage server rescue procedure, 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] Oracle Exadata Database Machine X9M-2 Storage Server Rescue Procedure - Oracle Docs [3] Oracle Exadata Database Machine X8M-2 Mid-Size Rack Installation - Oracle Docs [4] Oracle Exadata Database Machine X8M-2 Storage Server Rescue Procedure - Oracle Docs [5] Oracle Exadata Database Machine X9M-2 Storage Server Update Procedure - Oracle Docs [6] Oracle Exadata Database Machine X8M-2 Storage Server Update Procedure - Oracle Docs

NEW QUESTION # 46
You are hardening the security posture of your Exadata Database Machine. Before disabling ssh access to the storage servers, what should you do to enable REST access to the MS process?

A. Install Oracle Rest Data Services on each Storage server and install the MS APEX application.
B. Install Oracle Rest Data Services on each Database server and install the MS APEX application.
C. The MS Process on the storage servers is natively endowed with REST services, but are not enabled by default.
D. The MS Process on the storage servers is natively endowed with REST services and are enabled by default, however, appropriate roles and users should be created to ensure security.

Answer: D

Explanation:
The MS process on Exadata storage servers is natively endowed with REST services and these services are enabled by default. However, it is important to create appropriate roles and users to ensure security when accessing these services. This way, it is possible to disable ssh access to the storage servers, and still enable REST access to the MS process. It's not necessary to install Oracle Rest Data Services on each Database or Storage server or install the MS APEX application, the MS process on the storage servers already have REST services by default.

NEW QUESTION # 47
Which of the following is NOT a requirement when validating, receiving, unpacking, and planning access route and space requirements for Exadata Database Machine?

A. A conditioned space is required to remove the packaging material to reduce particles before entering the data center.
B. The incline of any access route ramp must be less than or equal to 6 degrees.
C. Oracle Exadata Rack may only be installed on raised floor environments.
D. 914mm of space required above the rack height is required for maintenance access.
E. All four leveling and stabilizing feet should be raised and out of the way prior to moving the rack.
F. The entire access route to the installation site should be free of raised-pattern flooring that can cause vibration.

Answer: C

Explanation:
Exadata Database Machine is a pre-configured and pre-tuned hardware and software system designed to run Oracle Database, it can be installed on raised floor environments, but also on concrete or tile floors Oracle Exadata Database Machine X9M Implementation Essentials states that Exadata racks are designed to be installed on flat surfaces, not raised floor environments. It is not required to install the rack on raised floor environments. Additionally, the other options listed are all requirements for validating, receiving, unpacking, and planning access route and space requirements for Exadata Database Machine. (Source: Oracle Exadata Database Machine X9M Implementation Essentials, page 41)

NEW QUESTION # 48
Which two quarantine types can disable Smart Scan for multiple databases that offload SQL statements to a cell on an Exadata Database Machine?

A. SQL Plan Quarantine
B. Cell Offload Quarantine
C. Database Quarantine
D. Disk Region Quarantine
E. Manually created Quarantine

Answer: A,C

NEW QUESTION # 49
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