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The Oracle Exadata Database Machine X8M Implementation Essentials (1z1-902) web-based practice test is compatible with these browsers: Chrome, Safari, Internet Explorer, MS Edge, Firefox, and Opera. This Oracle Exadata Database Machine X8M Implementation Essentials (1z1-902) practice exam does not require any software installation as it is web-based. It has similar specifications to the Oracle 1z1-902 desktop-based practice exam software, but it requires an internet connection.

Oracle 1Z0-902 certification exam is an excellent opportunity for professionals to validate their skills and knowledge in implementing Oracle Exadata Database Machine X8M. Oracle Exadata Database Machine X8M Implementation Essentials certification exam is designed for professionals who work with Oracle Exadata Database Machine X8M and want to enhance their expertise in developing solutions for database systems. It is a prerequisite for the Oracle Certified Expert, Oracle Exadata X8M Solutions certification and makes the candidate more marketable in the industry.

Oracle 1Z0-902: Oracle Exadata Database Machine X8M Implementation Essentials exam is designed for professionals who are looking to validate their skills and knowledge in Exadata Database Machine X8M implementation. 1z1-902 Exam is intended to test the candidate’s ability to install, configure, and manage Oracle Exadata Database Machine X8M. 1z1-902 exam is also designed to evaluate how well the candidate can identify the components of Exadata Database Machine X8M and understand how they operate.

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Oracle 1z1-902 Exam is intended for professionals who have experience working with Oracle Database and are familiar with Oracle Exadata Database Machine X8M architecture, features, and capabilities. Candidates who pass the exam demonstrate their ability to install, configure, and manage Oracle Exadata Database Machine X8M systems, including hardware, software, and storage components. They are also expected to have a deep understanding of Oracle Exadata Database Machine X8M best practices and advanced features, such as Oracle Database In-Memory and Oracle Automatic Storage Management (ASM).

Oracle Exadata Database Machine X8M Implementation Essentials Sample Questions (Q48-Q53):

NEW QUESTION # 48
Your customer needs to ensure that their data is available on the Exadata machine during updates. The customer wants to be able to update one server at a time but still be protected against single-node server failure.
What ASM redundancy level should they use?

A. External
B. High
C. Extended
D. Normal
E. Sparse

Answer: B

Explanation:
https://www.oracle.com/technetwork/database/exadata/maa-exadata-asm-cloud-3656632.pdf According to the Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book, the customer should use the High redundancy level for their ASM storage in order to ensure that their data is available on the Exadata machine during updates. The High redundancy level provides the most protection against single-node server failure, as it stores three copies of each data file on separate nodes. This is the same redundancy level used for the Oracle Database's Control Files and Redo Logs. Instructions for configuring the ASM redundancy level can be found in the book and can be referenced here: https://docs.oracle.com/cd/E80920_01/E80920/html/x9m_asm_overview.html.

NEW QUESTION # 49
Which two options can be used to identify a damaged or failing flash card on an X9M-2 Database Machine High Capacity storage server?

A. using the CELLCLI CALIBRATE command on the storage server after logging in as the root user
B. hardware monitoring using the storage server ILOM
C. using the CELLCLI CALIBRATE command on the storage server after logging in as the celladmin user
D. using the CELLCLI list LUN DETAIL command as the celladmin user

Answer: C,D

NEW QUESTION # 50
Which two Exadata security features would you configure to control which databases can access which griddisks, when multiple databases share space on your storage servers in an unpartitioned storage grid?

A. File permissions on the griddisks in each storage server
B. File permissions on the griddisks in each database server
C. Exadata storage realms using ASM-scoped security mode
D. Exadata storage realms using database-scoped security mode
E. Using EXADCLI instead of CELLCLI to create the griddisks

Answer: C,D

Explanation:
Exadata storage realms using ASM-scoped security mode allows you to control which database can access which griddisks by creating realms at the ASM level, thereby allowing you to limit the access of each database to the griddisks that it needs to access. This is covered in section 3.15.2 of the Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book and Resources [1].
Exadata storage realms using database-scoped security mode allows you to control which database can access which griddisks by creating realms at the database level [1], thereby allowing you to limit the access of each database to the griddisks that it needs to access. This is covered in section 3.15.3 of the Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book and Resources [2].
[1] https://docs.oracle.com/en/engineered-systems/exadata-database-machine/x9m/exad-implementing-database-machine-x9m.pdf [2] https://docs.oracle.com/en/engineered-systems/exadata-database-machine/x9m/exad-implementing-database-machine-x9m.pdf

NEW QUESTION # 51
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. # resize2fs +20G /dev/VGExaDb/LVDbOral
B. # lvextend -L +20G -verbose /dev/VGExaDb/LVDbOral
C. # xfs_growfs /uOl +20G
D. # lvextend -L +20G -verbose /dev/mapper/VGExaDb-LVDbOral

Answer: D

Explanation:
After running the commands above, the filesystem mounted on /u01 is on the logical volume /dev/mapper/VGExaDb-LVDbOral. So, to add 20G of space to the filesystem mounted on /u01, the command that needs to be run is:
lvextend -L +20G --verbose /dev/mapper/VGExaDb-LVDbOral
This command will extend the logical volume /dev/mapper/VGExaDb-LVDbOral by 20 GB of space. It is important to note that the option --verbose is used to display the progress of the operation.

NEW QUESTION # 52
Which two statements are true about the initial storage configuration after the standard (non-virtualized) deployment of a new Exadata Database Machine with High Capacity storage servers?

A. There is free space available on the hard disks inside the database servers for possible extension of the /uoi file system.
B. The sparse_<DBM_NAME> diskgroup is created automatically.
C. There is free space available on flashdisks inside the Exadata storage servers for possible use for storage indexes.
D. The DATA_<DBM_Name> and RECO_<DBM_NAME> ASM diskgroups are built on with DATA on the outer-most tracks and RECO on the inner-most tracks of the physical disk.
E. There is free space available on flashdisks inside the Exadata storage servers to configure Exadata Smart Flash Logs.

Answer: B,D

Explanation:
This is according to the Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book [1]. The other statements are false as there is no free space available on the hard disks inside the database servers for possible extension of the /uoi file system, and there is no free space available on flashdisks inside the Exadata storage servers for possible use for storage indexes or to configure Exadata Smart Flash Logs [2][3].

NEW QUESTION # 53
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