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[General] 1z0-1093-25 Certification Training | Exam 1z0-1093-25 Revision Plan

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【General】 1z0-1093-25 Certification Training | Exam 1z0-1093-25 Revision Plan

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Oracle 1z0-1093-25 Exam Syllabus Topics:
TopicDetails
Topic 1
  • 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 2
  • 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.
Topic 3
  • 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 4
  • 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 5
  • 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.

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Oracle Cloud Database Services 2025 Professional Sample Questions (Q93-Q98):NEW QUESTION # 93
When provisioning a new BaseDB VM, which statement BEST describes the relationship between the available Database Versions and the selected Operating System image?
  • A. All Database Versions are compatible with all Operating System images available in the OCI Marketplace.
  • B. The Database Version determines the Operating System image that will be used, irrespective of the initially selected image.
  • C. The chosen Operating System image is automatically upgraded to the latest version compatible with the selected Database Version after provisioning.
  • D. Only Database Versions compatible with the underlying Operating System image are presented as options during provisioning.
Answer: D
Explanation:
B: Only compatible Database Versions are presented:
* The provisioning process filters out incompatible combinations, presenting only database versions that match the chosen OS image.
* This ensures that the database software can run properly on the selected OS.
* This compatibility check prevents deployment failures and ensures system stability.
Why the other options are incorrect:
* A. All Database Versions are compatible:Incorrect; some versions are OS-specific.
* C. Automatic OS upgrade:OCI does not automatically upgrade the OS for compatibility.
* D. Database version determines OS image:The OS image is selected independently, with the system ensuring compatibility.

NEW QUESTION # 94
Which of the following is the recommended approach for migrating a large, mission-critical database from an on-premises Exadata system to Exadata Database Service with minimal downtime?
  • A. Using SQL Developer to copy the data over a VPN connection.
  • B. Performing a full backup and restore to a new Exadata Database Service instance.
  • C. Creating a physical standby database using Data Guard and switching over to the standby in OCI.
  • D. Traditional export/import using Data Pump over a public network.
Answer: C
Explanation:
B: Using Data Guard for physical standby and switchover:
* This method enablesminimal downtimemigration.
* Steps:
* Configure Data Guard to synchronize thestandby databasewith the primary on-premises database.
* Once synchronized, perform aswitchoverto make the standby the new primary.
* Downtime is limited to the switchover duration.
* This approach leveragesreal-time replicationto minimize disruption.
Why the other options are incorrect:
* A. Export/Import with Data Pump:Too time-consuming for large databases.
* C. Full backup and restore:High downtime due to the time required for data transfer and restoration.
* D. Copying via SQL Developer:Not feasible for mission-critical and large databases due to slow transfer speeds.

NEW QUESTION # 95
Which of the following statements accurately describes the recommended procedure for patching Grid Infrastructure in a BaseDB VM system where the database is NOT managed by Oracle Cloud Infrastructure (OCI)?
  • A. Apply the Grid Infrastructure patch first, then apply the database patch, after validating the GI is working correctly.
  • B. You cannot manually patch Grid Infrastructure in a BaseDB VM system; Oracle Cloud Infrastructure manages all patching operations.
  • C. Apply the Grid Infrastructure patch directly to the DB system. OCI handles the patching order for all components automatically.
  • D. Apply the database patch first, then apply the Grid Infrastructure patch to ensure compatibility.
Answer: A
Explanation:
Recommended Patching Order:
In Oracle environments, it is crucial to patchGrid Infrastructure (GI) firstbecause GI components are responsible formanaging cluster resources and storage. Applying GI patches before database patches ensures that the underlying infrastructure is compatible and stable.
* After the GI patching,validatethe environment to ensure all components are functioningcorrectly before proceeding with database software updates.
* This order minimizes the risk ofdowntime or compatibility issues.
Why the other options are incorrect:
* A:OCI does not automatically handle manual patching in non-managed DB systems.
* B:Applying the database patch first may result in compatibility problems.
* D:Users can manually patch Grid Infrastructure in BaseDB VMs.

NEW QUESTION # 96
Which of the following components is responsible for automatically offloading suitable queries from MySQL to the HeatWave accelerator?
  • A. MySQL Router
  • B. Oracle Cloud Infrastructure (OCI) Load Balancer
  • C. HeatWave AutoPilot
  • D. MySQL Query Optimizer
  • E. MySQL Shell
Answer: D
Explanation:
A: MySQL Query Optimizer:
* TheMySQL Query Optimizerdetermines whether a query can benefit from HeatWave's in-memory, columnar processing.
* If a query is deemed suitable, it is automatically offloaded to the HeatWave cluster.
* This process significantly improves the execution speed of complex analytical queries.
Why the other options are incorrect:
* B. HeatWave AutoPilot:Manages workload optimization but does not directly offload queries.
* C. MySQL Router:Manages connection routing, not query offloading.
* D. MySQL Shellrimarily used for administrative tasks, not query optimization.
* E. OCI Load Balancer:Manages network traffic distribution, unrelated to database query processing.

NEW QUESTION # 97
When considering autoscaling for provisioned throughput in NoSQL Database Cloud Service, which metric is LEAST relevant for determining when to scale up the capacity units?
  • A. Number of rejected write requests due to insufficient WCUs.
  • B. Latency of read and write operations.
  • C. Number of rejected read requests due to insufficient RCUs.
  • D. CPU utilization of the compute instances hosting the database.
Answer: D
Explanation:
A: CPU utilization of the compute instances hosting the database:
* Autoscaling in NoSQL Database Cloud Service primarily focuses onRCUs (Read Capacity Units)and WCUs (Write Capacity Units).
* The objective is to dynamically adjust capacity based onquery workload, not onCPU utilization.
* Even if CPU usage is high, it might not necessarily indicate that the capacity units are inadequate.
Why the other options are more relevant:
* B. Rejected read requests (RCUs)irect indicator that read capacity is insufficient, requiring scaling.
* C. Rejected write requests (WCUs):Indicates that the write throughput is inadequate, necessitating scaling.
* D. Latency of read and write operations:Increased latency often points to under-provisioned throughput.

NEW QUESTION # 98
......
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