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High-quality Oracle - Hottest 1z0-1093-25 Certification

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Oracle 1z0-1093-25 Exam Syllabus Topics:

Topic
Details

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

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 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

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 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 (Q95-Q100):

NEW QUESTION # 95
When provisioning an Exadata Database Service, which two networking components are mandatory?

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

Answer: C,E

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 # 96
During the provisioning of a Base Database Service (BaseDB) virtual machine (VM), what is the significance of the "Compute Shape" selection?

A. It dictates the availability domain in which the VM will be created.
B. It specifies the pre-installed database software version.
C. It determines the maximum number of databases that can be created on the VM.
D. It defines the CPU, memory, and network bandwidth allocated to the VM.

Answer: D

Explanation:
C: Defines CPU, memory, and network bandwidth:
* TheCompute Shapespecifies the resources allocated to the VM.
* Shapes vary in the number ofOCPUs, amount ofRAM, andnetwork performance.
* Selecting an appropriate shape ensures the database has enough computational power and memory to meet workload demands.
Why the other options are incorrect:
* A. Number of databases:Limited by storage and resource capacity, not the shape itself.
* B. Availability domain:Chosen separately during provisioning.
* D. Pre-installed software version:The shape does not determine the database version.

NEW QUESTION # 97
Which two functionalities can be accomplished using the Performance Hub within Database Management for monitoring?

A. Upgrade the database to a newer version.
B. Directly modify database initialization parameters.
C. Execute ADDM (Automatic Database Diagnostic Monitor) analysis on a historical workload.
D. Identify blocking sessions that are impacting database performance.

Answer: C,D

Explanation:
A: Execute ADDM (Automatic Database Diagnostic Monitor) analysis on a historical workload:
* Performance Hub allows users to analyze performance data collected over time.
* ADDM analysis provides insights into performance bottlenecks and recommendations for tuning.
C: Identify blocking sessions that are impacting database performance:
* Performance Hub helps identify active blocking sessions, enabling quick resolution of performance issues.
* It provides real-time and historical data for better troubleshooting.
Why the other options are incorrect:
* B. Modify database parameters:Performance Hub does not have the ability to change database configurations directly.
* D. Upgrade the database:Upgrades are managed through other tools, such as Database Upgrade Assistant (DBUA).

NEW QUESTION # 98
In a key-value NoSQL database, what is the primary mechanism for accessing data?

A. Traversing relationships between nodes to find related data.
B. Using SQL queries to filter and retrieve data based on complex criteria.
C. Scanning all documents in the database to find matching data.
D. Using a unique key to retrieve the associated value directly.

Answer: D

Explanation:
Data Access in Key-Value Stores:
A key-value database works by storing data askey-value pairs. The primary access methodinvolves:
* Providing aunique keyto quickly retrieve the associated value.
* This model is highly efficient forsimple lookupsand data retrieval where thekey is known.
* Due to itssimplicity and speed, it is commonly used for caching and session management.
Why the other options are incorrect:
* A:SQL queries are used in relational databases, not key-value stores.
* C:Traversing nodes is typical ingraph databases.
* D:Scanning all documents is inefficient and not the primary method in key-value stores.

NEW QUESTION # 99
If the provisioned read capacity units (RCUs) are consistently underutilized for a NoSQL Database Cloud Service table, what is the MOST direct consequence?

A. Reduced data durability.
B. Unnecessary cost expenditure.
C. Improved query performance.
D. Increased storage efficiency.

Answer: B

Explanation:
C: Unnecessary cost expenditure:
* In Oracle NoSQL Database Cloud Service, you pay for the provisioned RCUs regardless of actual usage.
* Consistently underutilized RCUs mean that you are incurring costs without fully utilizing the allocated resources.
* Proper capacity planning is crucial to optimize costs.
* To reduce expenses, monitor utilization and adjust RCUs accordingly.
Why the other options are incorrect:
* A. Improved query performance:While having adequate RCUs prevents throttling, over-provisioning does not inherently enhance performance.
* B. Increased storage efficiency:Storage is independent of RCUs, which relate to read throughput.
* D. Reduced data durability:Durability is not impacted by underutilized read capacity.

NEW QUESTION # 100
......

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