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Oracle 1z0-1093-25 Exam Syllabus Topics:

Topic
Details

Topic 1

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 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

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 4

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 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.

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Oracle Cloud Database Services 2025 Professional Sample Questions (Q92-Q97):

NEW QUESTION # 92
A critical query running on your HeatWave cluster is experiencing significant performance degradation.
Which tool or service should you use to identify and analyze the specific query causing the bottleneck?

A. OCI Events for tracking query start and end times.
B. OCI Bastion for secure access to the query execution environment.
C. MySQL Slow Query Log and OCI Logging Analytics.
D. OCI Vault for auditing query execution.
E. OCI Network Visualizer for analyzing network latency.

Answer: C

Explanation:
MySQL Slow Query Log:
TheMySQL Slow Query Logrecords queries that exceed a specified execution time threshold. It is essential for identifyinglong-running queriesthat may be causing performance bottlenecks.
OCI Logging Analytics:
By integrating the slow query log withOCI Logging Analytics, users can visualize query performance patterns, generate alerts, and identify the root cause of slow performance. This combination is powerful for detecting and addressingquery-specific issues.
Why the other options are incorrect:
* A:OCI Vault is used for managing encryption keys, not query performance.
* B:OCI Events track general occurrences, not detailed query performance.
* D:Network latency analysis is useful but not directly related to query analysis.
* E:OCI Bastion provides secure access, not performance analytics.

NEW QUESTION # 93
Which two actions must you undertake when configuring the networking to provide network connectivity for a MySQL HeatWave DB System instance?

A. Deploy the MySQL HeatWave DB System to a public subnet to allow external connectivity for users.
B. Configure a dynamic routing gateway for inter-VCN connectivity.
C. Ensure the subnet used has a Service Gateway to Oracle Services, such as Object Storage, so that patching can be applied.
D. Create ingress security rules in the VCN security list or Network Security Groups (NSGs) to allow traffic to the MySQL HeatWave DB System.
E. Create egress security rules in the VCN security list or Network Security Groups (NSGs) to block access from the MySQL HeatWave DB System to any outside network.

Answer: C,D

Explanation:
A: Service Gateway for Oracle Services:
* Ensures the HeatWave DB System can accessOracle Serviceslike Object Storage without using the public internet.
* Essential for tasks such aspatching and backups.
C: Ingress security rules:
* Allows necessary traffic to reach the HeatWave DB System.
* Typically, rules will permitMySQL port (3306)and anyapplication-specific ports.
* Configured usingVCN security lists or NSGs.
Why the other options are incorrect:
* B. Public subnet deployment:Exposes the database to the internet, which is a security risk.
* D. Dynamic routing gateway:Not mandatory unless inter-VCN connectivity is specifically required.
* E. Blocking egress entirely:Restricting all outbound traffic can prevent necessary updates and communication with Oracle services.

NEW QUESTION # 94
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. You cannot manually patch Grid Infrastructure in a BaseDB VM system; Oracle Cloud Infrastructure manages all patching operations.
B. Apply the Grid Infrastructure patch directly to the DB system. OCI handles the patching order for all components automatically.
C. Apply the database patch first, then apply the Grid Infrastructure patch to ensure compatibility.
D. Apply the Grid Infrastructure patch first, then apply the database patch, after validating the GI is working correctly.

Answer: D

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 # 95
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. Latency of read and write operations.
B. CPU utilization of the compute instances hosting the database.
C. Number of rejected write requests due to insufficient WCUs.
D. Number of rejected read requests due to insufficient RCUs.

Answer: B

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):Direct 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 # 96
You need to monitor the data loading process into your HeatWave cluster to ensure optimal performance.
Which OCI service provides the most detailed information on data loading operations and potential bottlenecks?

A. OCI Monitoring with HeatWave specific metrics
B. OCI Service Connector Hub
C. OCI Streaming
D. OCI Functions
E. OCI Notifications

Answer: A

Explanation:
C: OCI Monitoring with HeatWave specific metrics:
* OCI Monitoring collects and visualizes detailed metrics related to HeatWave cluster operations.
* Key metrics include:
* Data load throughput
* Data load latency
* Memory and CPU utilization
* These metrics help identify bottlenecks during data loading, allowing for proactive performance tuning.
* Integrates withOCI Alarmsto notify administrators when thresholds are breached.
Why the other options are incorrect:
* A. OCI Notifications:Sends alerts but does not collect performance metrics.
* B. OCI Service Connector Hub:Moves data between services but does not provide direct performance insights.
* D. OCI Streaming:Used for real-time data ingestion, not specifically for HeatWave monitoring.
* E. OCI Functions:Executes serverless functions, not related to HeatWave metrics.

NEW QUESTION # 97
......

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