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Oracle 1z1-902 Certification Exam is designed for IT professionals who wish to demonstrate their expertise in implementing and managing Oracle Exadata Database Machine X8M systems. 1z1-902 exam covers a range of topics related to the implementation and maintenance of Oracle Exadata Database Machine X8M systems, including hardware and software installation, configuration, and maintenance.

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Oracle 1z1-902 Certification Exam is designed for IT professionals who want to validate their skills and knowledge in the Oracle Exadata Database Machine X8M implementation. Oracle Exadata Database Machine X8M Implementation Essentials certification exam is designed to test the candidate's ability to install, configure, manage, and troubleshoot Oracle Exadata Database Machine X8M systems. It is an intermediate-level certification exam that requires a good understanding of Oracle Exadata Database Machine X8M technology.

Oracle Exadata Database Machine X8M Implementation Essentials Sample Questions (Q35-Q40):

NEW QUESTION # 35
Which two quarantine types can disable Smart Scan for multiple databases that offload SQL statements to a cell on an Exadata Database Machine?

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

Answer: C,E

Explanation:
A and E are the two correct quarantine types that can disable Smart Scan for multiple databases that offload SQL statements to a cell on an Exadata Database Machine. A is correct because SQL Plan Quarantine will disable Smart Scan for all queries related to the SQL plan that was placed in the SQL Plan Quarantine [1]. E is correct because the Cell Offload Quarantine will disable Smart Scan for all queries offloaded to Oracle Database Exadata Storage Server Software [2]. The other statements (B, C, and D) are incorrect.
[1] Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book , Chapter 13 [1][2]: Oracle Database Exadata Storage Server Software [2] Oracle Exadata Database Machine X9M Implementation Essentials Official Text Book , Chapter 15 [1][2]: Oracle Database Exadata Storage Server Configuration

NEW QUESTION # 36
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. Normal
C. Sparse
D. High
E. Extended

Answer: B

Explanation:
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. This means that they need a redundancy level that can tolerate at least one disk failure without losing data availability or performance. Therefore, the best option for them is normal redundancy . Normal redundancy provides two-way mirroring by default, which means that each data extent has a primary copy and a mirror copy on different disks in different failure groups1. A failure group is a subset of disks within a disk group that are likely to fail at the same time due to common dependencies2. On Exadata Database Machine , each Storage Server is considered as a failure group by default2. This means that if one Storage Server fails or needs to be updated , the data on its disks can still be accessed from another Storage Server that has the mirror copies of the same data extents2. Therefore, normal redundancy ensures data availability and performance during updates or single-node server failures.
https://docs.oracle.com/en/engineered-systems/exadata-database-machine/sagug/exadata-administering-asm.html

NEW QUESTION # 37
You are in the process of upgrading your nonvirtualized X9M-2 Database Machine elastic configuration with 4 database servers and 7 HC storage servers with an additional 4 database servers and 7 HC storage servers.
The new storage servers are called DM01CEL08 through dmoicel14.
After creating 96 new griddisks, you issued this SQL statement:

How many failgroups if any, will be added to the DATE diskgroup by executing this SQL statement?

A. 0 because the new griddisks will be added to the existing faiigroups
B. 12 consisting of seven griddisks each
C. 7 consisting of 12 griddisks each
D. 96 consisting of one griddisk each
E. 1 consisting of all 96 griddisks

Answer: E

Explanation:
This SQL statement is adding the new griddisks to the existing diskgroup "DATA" and creating one new failgroup, consisting of all 96 griddisks. The "REBALANCE POWER 512" option tells the system to perform a rebalance operation with a power of 512. It means the system distributes the data evenly across all the disks in the diskgroup using a power of 512.

NEW QUESTION # 38
For which four component failures on an X9M Database Machine does Auto Service Request (ASR) raise service requests?

A. power supplies in the database servers
B. Cisco management switch
C. fans in the storage servers
D. RoCE network interface cards in the storage servers
E. power distribution units
F. RoCE network interface cards in the database servers
G. Cisco RDMA over Converged Ethernet (RoCE) switches

Answer: A,D,E,G

Explanation:
According to the Oracle Auto Service Request (ASR) documentation1, ASR raises service requests for qualified Oracle products that are detected with specific faults. The qualified Exadata products include2:
Database servers
Storage servers
InfiniBand switches
Cisco switches (X8M and later systems)
Power distribution units (PDUs)

NEW QUESTION # 39
Which two steps concise the path used to communicate with Enterprise Manager from an Exadata Database Machine?

A. SNMP traps for alerts are sent by the storage server RS process to the Enterprise Manager agent.
B. SNMP traps for alerts are sent by the storage server RS process to the storage server ILOM.
C. SNMP traps for alerts are sent by the storage server MS process to the Enterprise Manager agent.
D. SNMP traps for alerts are sent by the storage server ILOM to the storage server is process.
E. SNMP traps for alerts are sent by the storage server MS process to the storage server ILOM.
F. SNMP traps for alerts are sent by the storage server ILOM to the storage server MS process.
G. SNM? traps for alerts are sent by the storage server ILOM to the Enterprise Manager agent.

Answer: C,G

Explanation:
In an Exadata environment, the path of communication for SNMP traps involves:
Management Server (MS) Process to EM Agent: Alerts related to the storage server are generated by the MS process, which then forwards SNMP traps directly to the Enterprise Manager agent, allowing centralized monitoring and alert management.
ILOM to EM Agent: The ILOM on each Exadata storage server can independently send SNMP traps to the EM agent, providing additional hardware-level monitoring and alerting capabilities .
These pathways ensure that alerts from both hardware and software layers reach Enterprise Manager efficiently, supporting proactive management and rapid response to system issues.

NEW QUESTION # 40
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