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Oracle 1z0-1093-25 Exam Syllabus Topics:

Topic
Details

Topic 1

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 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

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.

Oracle Cloud Database Services 2025 Professional Sample Questions (Q39-Q44):

NEW QUESTION # 39
What is the MOST appropriate method for patching an Exadata Database Service infrastructure, including both database and storage servers, to maintain the latest security updates and bug fixes?

A. Relying on the default OS auto-update features to handle all necessary patching.
B. Utilizing the automated patching capabilities provided by the Oracle Cloud Infrastructure (OCI) console or API.
C. Only patching the database nodes and ignoring the storage servers unless a specific issue arises.
D. Manually downloading and applying patches to each individual component.

Answer: B

Explanation:
B: Automated Patching via OCI Console/API:
* Oracle Cloud Infrastructure offers automated patching tools specifically designed for Exadata Database Service.
* These tools coordinate patching across database and storage servers, ensuring consistency.
* Features include rolling patching to minimize downtime.
* Automation significantly reduces human error and ensures that both database and storage servers are patched efficiently.
Why the other options are incorrect:
* A. Manual patching:Prone to errors and time-consuming, especially for complex Exadata environments.
* C. Default OS auto-update:Insufficient for comprehensive patching of Exadata components.
* D. Ignoring storage servers:Unsafe and could lead to security vulnerabilities.

NEW QUESTION # 40
Which two functionalities are provided by the SQL Performance Analyzer (SPA) within Database Management, aiding in cloud database tuning?

A. Automatically rewrite SQL queries to improve their performance.
B. Generate a report highlighting the performance impact of a specific database change on a set of SQL statements.
C. Analyze the execution plan of a SQL statement and suggest alternative indexing strategies.
D. Compare the performance of SQL statements before and after a database change (e.g., upgrade, parameter change).

Answer: B,D

Explanation:
B: Compare SQL performance before and after changes:
* SPA evaluates the effect of configuration changes, upgrades, or patches on SQL performance.
* Provides insights into whether a change improves or degrades query performance.
C: Generate performance impact reports:
* SPA generates reports summarizing the effects of specific changes on SQL workload performance.
* Helps DBAs make informed decisions before implementing changes in production.
Why the other options are incorrect:
* A. Automatically rewriting SQL:SPA does not modify queries; it only analyzes and compares performance.
* D. Suggesting indexing strategies:SPA evaluates performance impacts, but indexing recommendations are made by the SQL Tuning Advisor.

NEW QUESTION # 41
When provisioning an Exadata Database Service, which two networking components are mandatory?

A. A private subnet for the client network to ensure secure database access.
B. A NAT Gateway for each VM within the VM Cluster to allow outbound internet access for patching.
C. A private subnet for database backups to Oracle Cloud Infrastructure Object Storage.
D. A public subnet for the Exadata Infrastructure to allow external access for monitoring.
E. A Service Gateway to allow access to Oracle Services without traversing the public internet.

Answer: A,C

Explanation:
C: Private subnet for client network:
* Essential for secure access to the databases hosted on the Exadata Database Service instance.
* Ensures that client connections are restricted and managed through private IPs.
E: Private subnet for database backups:
* Used to securely connect to Oracle Cloud Infrastructure Object Storage for storing backups.
* Enables data protection without exposing the backup traffic to the public internet.
Why the other options are incorrect:
* A. Public subnet for monitoring:Not required; secure access can be configured through private subnets.
* B. Service Gateway:Optional, used for connecting to Oracle services without using the public internet.
* D. NAT Gateway:Not mandatory unless specific outbound connectivity is required.

NEW QUESTION # 42
What role does the Exadata Storage Server Software play within the Exadata Database Service architecture?

A. It provides the operating system and management software for the database servers.
B. It manages the virtual machines hosting the database instances.
C. It acts as a load balancer distributing connections across the database instances.
D. It provides intelligent storage capabilities, including data filtering, compression, and encryption.

Answer: D

Explanation:
C: Intelligent Storage Capabilities:
* The Exadata Storage Server Software enhances data processing at the storage layer.
* Key features include:
* Smart Scan:Offloads SQL processing to storage.
* Compression:Reduces data size and improves I/O efficiency.
* Encryption:Protects data at rest.
* This software significantly boosts database performance by reducing data transfer to the compute nodes.
Why the other options are incorrect:
* A. VM management:Handled by OCI infrastructure.
* B. OS and management software:Not related to Exadata Storage Server Software.
* D. Load balancing:Handled by Oracle RAC or OCI load balancers.

NEW QUESTION # 43
In a BaseDB environment configured with automatic backups, what happens to the automatic backups when the DB system is terminated?

A. All automatic backups are retained in object storage for a period determined by the original backup retention policy.
B. The retention of automatic backups after DB system termination is configurable during DB system creation.
C. The most recent automatic backup is retained, while older backups are deleted.
D. All automatic backups are immediately and permanently deleted from object storage.
E. Automatic backups are migrated to a lower-cost archive storage tier.

Answer: A

Explanation:
Backup Retention Policy:
When aBaseDB system is terminated, automatic backups are not immediately deleted. Instead, they remain stored inOCI Object Storagefor the duration specified by thebackup retention policythat was configured at the time of database creation.
* This approach ensures that data can be recovered even after the database instance itself is terminated.
* Administrators can manually delete backups if they are no longer needed, but they arenot automatically purged.
Why the other options are incorrect:
* A:Backups are not deleted instantly upon termination.
* B:All backups are retained as per the policy, not just the most recent.
* D:No automatic migration to archive tier occurs.
* E:Backup retention settings are defined during provisioning, but not dynamically configurable after termination.

NEW QUESTION # 44
......

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