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Oracle Exadata Database Machine is a high-performance engineered system that is designed to provide faster, more efficient, and more secure data processing capabilities. The X8M is the latest version of this machine that is equipped with advanced hardware and software features. Oracle 1z1-902 exam is specifically designed to test the knowledge and skills of IT professionals who want to implement and manage this cutting-edge technology.

Oracle 1Z0-902 certification exam is designed for IT professionals who want to validate their knowledge and skills in implementing and administering the Oracle Exadata Database Machine X8M. 1z1-902 Exam is ideal for database administrators, architects, and technical consultants who are responsible for configuring, deploying, and managing Oracle Exadata systems.

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

NEW QUESTION # 44
You want to examine how much Smart Scan activity is occurring.
Which two would provide the information you require?

A. the number of Smart Scans performed for the table on all the storage servers, as shown when performing a list ACTIVEREQUEST command using EXACLI on all the cells
B. the number of Smart Scans performed for the table on all the storage servers, as shown when performing a list activerequest command using CELLCLI on all the cells
C. the number of full table scans that accessed the table
D. the number of parallel queries that accessed the table
E. the number of serial queries that accessed the table

Answer: A,B

Explanation:
To determine the amount of Smart Scan activity on an Exadata Database Machine, you can access two specific commands:
CELLCLI Command: Using the list activerequest command within CELLCLI on all storage cells will show the number of Smart Scans being processed. CELLCLI is an interface specific to Exadata Storage Servers for management and monitoring, and it provides real-time visibility into ongoing Smart Scan operations .
EXACLI Command: Similarly, the list ACTIVEREQUEST command using EXACLI on all storage cells also lists the Smart Scans executed across the storage servers. EXACLI is a remote command-line utility that can be run from a database server to manage storage cells, offering convenient access to similar Smart Scan information .

NEW QUESTION # 45
Which two statements are true about Auto Service Request (ASR) with an Exadata Database Machine?

A. ASR Manager must be installed and configured on one of the database servers.
B. ASR can upload configuration metadata to support problem resolution.
C. Configuring ASR is mandatory for all Database Machine assets.
D. ASR communicates with Oracle support services using HTTPS.
E. ASR Manager must be installed and configured on a dedicated server external to the Database Machine.
F. ASR Manager opens a service request (SR) automatically after sensors detect hardware faults.

Answer: E,F

NEW QUESTION # 46
I/O performance of the prod database on your Exadata Database Machine has degraded slightly over the past month. The database has been allocated to the OLTP I/O Resource Management (IORM) category.
Which two monitoring tools might be useful in examining I/O performance for the prod database?

A. cellcli (or exacli/exadcli) to examine storage server metrics such as database, category, ceiidisk, and griddisk
B. OS I/O metrics using Enterprise Manager host pages for the storage servers
C. OS I/O metrics using OS tools such as iostat on the database servers
D. OS I/O metrics using OS tools such as iostat on the storage servers
E. I/O-specific dynamic performance views such as v$iostat_fiie, v$iostat_function, and v$iostat_consumer_group from the prod database instances using SQL *p1us

Answer: A,C

Explanation:
The two monitoring tools that might be useful in examining I/O performance for the prod database are:
OS I/O metrics using OS tools such as iostat on the database servers.
cellcli (or exacli/exadcli) to examine storage server metrics such as database, category, ceiidisk, and griddisk.
The Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book states that "I/O metrics can be collected from the database server using OS tools such as iostat [1], as well as from the storage servers using cellcli (or exacli/exadcli) to examine storage server metrics such as database, category, ceiidisk, and griddisk". It also suggests using Enterprise Manager host pages for the storage servers to view OS I/O metrics.

NEW QUESTION # 47
Examine these commands:
1. Execute "crscti stop cluster -all" as the grid user from one database server.
2. Execute "crscti stop cluster -all" as root from one database server.
3. Power off all network switches.
4. Execute "crscti stop cluster" as root from one database server.
5. Execute "crscti stop cluster" as the grid user from one database server.
6. Power off the rack using the power switches on the PDUs.
7. Execute "shutdown -h now" on all database servers.
8. Execute "shutdown -h now" on all Exadata storage servers.
Which is the correct order or the required commands to completely power off an Exadata Database Machine in an orderly fashion?

A. 2, 8, 7, 3, and 6
B. 1, 8, 7, 3 and 6
C. 2, 7, 8, and 6
D. 4, 7, 8, 3, and 6
E. 5, 8, 7, and 6

Answer: B

Explanation:
In order to power off an Exadata Database Machine in an orderly fashion, the commands should be executed in the following order: 1) Execute "crscti stop cluster -all" as the grid user from one database server; 2) Execute "shutdown -h now" on all database servers; 3) Power off all network switches; 4) Execute "shutdown -h now" on all Exadata storage servers; and 5) Power off the rack using the power switches on the PDUs. This sequence of commands ensures that all services running on the Exadata Database Machine are in a clean state before powering off the system. (Source: Oracle Exadata Database Machine X9M Implementation Essentials, page 543)

NEW QUESTION # 48
Which statement is true about the Persistent Memory Commit Accelerator?

A. Persistent Memory Commit Accelerator tracks changes to Persistent Memory Data Accelerator to ensure duplicate blocks are not written to Flash.
B. Persistent Memory Commit Accelerator reduces redo log write latency by using Persistent Memory and RDMA before flushing to Flash then disk.
C. Persistent Memory Commit Accelerator copies redo log data from disk for faster redo apply on Data Guard Standby Databases.
D. Persistent Memory Commit Accelerator contains logging information from all tiers of the software stack for rapid triage and diagnostics.
E. Persistent Memory Commit Accelerator helps to further reduce redo log write latency by using Persistent Memory and Remote Direct Memory Access (RDMA).

Answer: E

Explanation:
https://docs.oracle.com/en/engineered-systems/exadata-database-machine/dbmso/new-features-exadata-system-software-release-23.html

NEW QUESTION # 49
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2025 Realistic 1z1-902: Oracle Exadata Database Machine X8M Implementation Essentials Valid Exam Camp 100% Pass Quiz

Learn about the difficulty of the Oracle 1Z0-902 Exam

1z1-902 Reliable Dump & 1z1-902 Certification Questions

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

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