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1z0-1093-25 Test Centres | Reliable 1z0-1093-25 Dumps

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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

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

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

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.

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Oracle Cloud Database Services 2025 Professional Sample Questions (Q11-Q16):

NEW QUESTION # 11
In a key-value NoSQL database, what is the primary mechanism for accessing data?

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

Answer: A

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 # 12
Which two of the following options are valid statements regarding the management of the operating system on a Base Database Service Virtual Machine DB System?

A. Customers are responsible for the security and maintenance of the operating system, including applying necessary patches and updates.
B. Oracle manages the underlying operating system patching and updates, ensuring the system remains secure and compliant.
C. Customers are responsible for the initial OS installation, but then patching is controlled entirely by Oracle.
D. Direct SSH access to the underlying VM is restricted, and all OS-level operations must be performed through the Web Console.
E. Customers have full root access to the underlying operating system of the Virtual Machine DB System, allowing for customization and installation of custom software.

Answer: A,E

NEW QUESTION # 13
Which two tools can you use to create a HeatWave MySQL Database Service System?

A. OCI Bastion Server
B. OCI Command Line Interface
C. OCI Console
D. MySQL Shell on OCI Compute
E. OCI SQL Developer

Answer: B,C

Explanation:
OCI Console:
The Oracle Cloud Infrastructure Console is the primary graphical interface for creating and managingMySQL HeatWave Database Service Systems. It provides a user-friendly environment for configuring database instances and integrating HeatWave.
OCI CLI:
The OCI Command Line Interface allows for automation and scripting of database service creation. It is useful when managing multiple instances or performing bulk operations.
Why the other options are incorrect:
* C:OCI Bastion Server is used for secure SSH access, not for database creation.
* D:MySQL Shell is a client tool for interacting with databases, not for provisioning them.
* E:OCI SQL Developer is a database management tool, not a service provisioning tool.

NEW QUESTION # 14
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. Increased storage efficiency.
D. Improved query performance.

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 # 15
Which technology within the Exadata Database Service provides intelligent data offloading and processing capabilities directly within the storage tier?

A. Oracle Active Data Guard
B. Exadata Smart Scan
C. Oracle Data Guard
D. Exadata Smart Flash Cache

Answer: B

Explanation:
Exadata Smart Scan:
This technology is a core feature of Exadata storage servers. It allows the storage servers to perform data filtering, projection, and other processing tasks directly within the storage tier before sending the results to the database compute nodes. This significantly reduces the amount of data transferred over the network, leading to improved query performance.
Why the other options are incorrect:
* A. Oracle Data Guard:Used for disaster recovery and high availability, not for in-storage processing.
* C. Oracle Active Data Guard:Allows read-only access to a standby database, but doesn't provide in- storage processing.
* D. Exadata Smart Flash Cache:Used for caching frequently accessed data in flash memory to improve I/O performance. While it enhances performance, it does not provide intelligent data offloading and processing within the storage tier.

NEW QUESTION # 16
......

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