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Pass Guaranteed 2025 Accurate Oracle 1z0-1093-25: Oracle Cloud Database Services 2025 Professional New Test Bootcamp

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Oracle 1z0-1093-25 Exam Syllabus Topics:

Topic
Details

Topic 1

NoSQL Database Service Technical Overview: This section of the exam measures the skills of a NoSQL Developer and explores Oracle’s NoSQL Database Service. It includes understanding the basics of NoSQL architecture, handling table-level security, rate limiting, and data modeling. It also covers concepts like provisioned throughput and the usage of language SDKs for interacting with NoSQL services on Oracle Cloud.

Topic 2

Base Database Service - VM (BaseDB): This section of the exam measures the skills of a Cloud Database Administrator and covers the foundational elements of Oracle’s Base Database Service. It includes understanding what the BaseDB service is, how to provision and manage it, and lifecycle operations such as backups, recovery, patching, and upgrades. It also tests familiarity with monitoring and management interfaces used to control and observe the BaseDB environment.

Topic 3

Oracle Cloud Infrastructure Database Management Service: This section of the exam measures the skills of a Cloud Operations Analyst and provides insight into Oracle’s Database Management Service on OCI. It focuses on enabling the service for databases, monitoring their performance, and performing diagnostic and tuning activities. It also covers tasks related to the administration of databases running on Oracle Cloud Infrastructure.

Topic 4

MySQL HeatWave Technical Overview: This section of the exam measures the skills of a MySQL Cloud Specialist and introduces MySQL HeatWave, Oracle’s high-performance analytics engine for MySQL. It includes provisioning, migrating existing MySQL databases to HeatWave, and working with its analytical and machine-learning capabilities. It also covers day-to-day operational activities within the MySQL HeatWave environment.

Topic 5

Exadata Database Service (ExaDB): This section of the exam measures the skills of a Database Infrastructure Engineer and focuses on the advanced Exadata Database Service. It includes the provisioning of Exadata systems, management of Exadata Cloud Infrastructure, and VM Cluster administration. It also evaluates knowledge of lifecycle management tasks and how to interact with various Exadata management utilities and interfaces.

Oracle Cloud Database Services 2025 Professional Sample Questions (Q100-Q105):

NEW QUESTION # 100
While operating a MySQL HeatWave cluster, you need to resize the HeatWave cluster to accommodate an increased workload. Which method is the most efficient and recommended way to scale the HeatWave cluster?

A. Recreating the HeatWave cluster with the desired size.
B. Performing a manual data export and import into a new, larger MySQL Database System.
C. Modifying the underlying VM shapes of the MySQL Database System.
D. Using the OCI CLI or Console to adjust the HeatWave cluster's shape and node count.
E. Manually altering the innodb_buffer_pool_size and restarting the MySQL server.

Answer: D

Explanation:
Scaling HeatWave Efficiently:
TheOCI CLI or Consoleprovides a streamlined way to scale the HeatWave cluster. You can easily change the shape and node countthrough the console without significant downtime. The system handles the necessary data redistribution and configuration updates automatically.
* This method minimizes disruption and is significantly faster than manual reconfiguration.
* OCI's automated scaling ensures that the cluster maintainsoptimal performancethroughout the operation.
Why the other options are incorrect:
* A:Adjusting buffer size affects memory, not cluster size.
* C:Changing VM shapes does not directly affect HeatWave.
* D:Recreating the cluster is inefficient and time-consuming.
* E:Manual export/import introduces downtime and is not efficient for scaling.

NEW QUESTION # 101
If the Database Management Service is failing to collect performance metrics from a cloud database, which is the LEAST likely cause?

A. The database is temporarily offline.
B. The Database Management Service instance is located in a different region than the database.
C. Incorrect IAM policies preventing the service from accessing the database.
D. The database user account used by the Management Agent has been locked.

Answer: B

Explanation:
Reasoning:
TheDatabase Management Servicecan collect performance metrics from databases across different regions within the same OCI tenancy. Therefore, the geographic location of the service relative to the database isnot a common issue.
More Likely Causes:
* A:IAM policies that do not grant sufficient permissions are a common issue.
* B:If the database is offline, no metrics can be collected.
* D:A locked database user account used by the Management Agent will prevent data collection.
Why C is incorrect:
The Database Management Service can be configured to collect metrics from databasesacross regions, as long as network access and permissions are properly configured.

NEW QUESTION # 102
Which statement BEST describes the primary architectural distinction between Exadata Database Service and a traditional Oracle Database deployed on virtual machines in the cloud?

A. Exadata Database Service uses a completely different SQL parsing engine compared to a traditional Oracle Database.
B. Exadata Database Service utilizes only virtualized compute nodes, while traditional deployments use bare metal.
C. Exadata Database Service exclusively supports Oracle RAC, while traditional cloud deployments can support both single-instance and RAC databases.
D. Exadata Database Service integrates specialized, high-performance storage servers and a high- bandwidth, low-latency RDMA over Converged Ethernet (RoCE) network, optimized for database workloads, which are not present in typical cloud VM deployments.

Answer: D

Explanation:
Exadata's Unique Architecture:
Exadata Database Service is engineered specifically for Oracle Database workloads. The architecture leverages specialized storage servers that performdata-intensive operations at the storage level(such as filtering and aggregation), reducing the amount of data sent to the compute nodes.
TheRoCE network(RDMA over Converged Ethernet) provides high-bandwidth, low-latency connectivity between compute and storage nodes, significantly enhancing I/O performance. This architecture is optimized for bothOLTP and OLAP workloads, making Exadata a superior choice for performance-critical applications.
Why the other options are incorrect:
* A:Exadata combines both virtualized and bare metal compute nodes.
* C:Both Exadata and traditional cloud deployments can support Oracle RAC, but Exadata is optimized for it.
* D:Exadata uses the same Oracle Database SQL parsing engine; the difference lies in the optimized hardware.

NEW QUESTION # 103
Which two are valid mechanisms for accessing OS-level metrics on a Base Database Service Virtual Machine?

A. The only way to access OS-level metrics is through a custom monitoring agent installed directly on the VM.
B. Utilize the vmcli utility, which allows access to OS-level metrics specific to the DB System.
C. All OS metrics are automatically pushed to the Cloud Exadata Service Dashboard, and are not available outside of this service.
D. Access OS metrics using the OCI Metrics Explorer within the OCI Console leveraging the Oracle Cloud Agent.
E. Access OS metrics programmatically via the OCI Monitoring APIs, which allow retrieval of metrics collected by the Oracle Cloud Agent.

Answer: D,E

Explanation:
B: Access OS metrics using the OCI Metrics Explorer within the OCI Console leveraging the Oracle Cloud Agent.
* OCI Metrics Explorer is part of the OCI Monitoring service.
* The Oracle Cloud Agent collects OS-level metrics and makes them available through the OCI Console.
* Users can view metrics like CPU usage, memory utilization, and disk I/O.
E: Access OS metrics programmatically via the OCI Monitoring APIs:
* The Oracle Cloud Agent collects OS metrics and exposes them via OCI Monitoring APIs.
* This approach allows for automated data retrieval and integration with external monitoring tools.
Why the other options are incorrect:
* A. vmcli utility:This is not a standard tool for accessing OS-level metrics on Base Database Service VMs.
* C. Custom monitoring agent:While possible, it is not the primary or only method. Oracle Cloud Agent is the default tool.
* D. Automatically pushed to the Cloud Exadata Service Dashboard:This statement is incorrect as OS metrics are available through OCI Monitoring.

NEW QUESTION # 104
Which Oracle Cloud Infrastructure (OCI) service is PRIMARILY used to store backups created from a BaseDB database?

A. OCI File Storage
B. OCI Object Storage
C. OCI Archive Storage
D. OCI Block Volume
E. OCI Data Transfer Service

Answer: B

Explanation:
C: OCI Object Storage:
* The primary storage service for database backups within OCI.
* Offers high durability, availability, and scalability.
* Integrated with Oracle's automated backup solutions for BaseDB.
* Suitable for both short-term and long-term storage of database backups.
Why the other options are incorrect:
* A. OCI Block Volume:Used for primary database storage, not long-term backups.
* B. OCI File Storage:Typically used for file system-based workloads, not for database backups.
* D. OCI Archive Storage:Suitable for long-term archival but not the primary backup destination.
* E. OCI Data Transfer Service:Used for bulk data migration into OCI, not for backup storage.

NEW QUESTION # 105
......

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