Pass Guaranteed 2025 Oracle High Hit-Rate 1z0-1093-25: Oracle Cloud Database Services 2025 Professional Exam Overview

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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	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	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	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 1z0-1093-25 Questions - Reduce your Chances of Failure in Exam

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Oracle Cloud Database Services 2025 Professional Sample Questions (Q40-Q45):

NEW QUESTION # 40
Which of the following characteristics is most indicative of a NoSQL database's focus on scalability and availability over strict consistency?

A. Reliance on a centralized, single-instance architecture.
B. Partitioning and replication of data across multiple nodes.
C. Support for complex joins and transactions across multiple tables.
D. Enforcement of strict referential integrity constraints.

Answer: B

Explanation:
C: Partitioning and replication of data across multiple nodes:
* NoSQL databases typically prioritizehorizontal scalabilityby distributing data across multiple nodes.
* Replicationensures data availability even if one node fails.
* This approach leads toeventual consistencyrather than strict ACID compliance.
* The system can continue to operate despite some nodes being offline, maintaining high availability.
Why the other options are incorrect:
* A. Complex joins and transactions:Typical of relational databases prioritizing consistency.
* B. Strict referential integrity:More common in SQL databases requiring ACID transactions.
* D. Centralized architecture:Opposite of scalable, distributed NoSQL models.

NEW QUESTION # 41
What are the two primary dimensions typically governed by table rate limits in Oracle NoSQL Database Cloud Service?

A. Number of indexes and query complexity.
B. CPU utilization and memory consumption.
C. Read throughput and write throughput.
D. Storage capacity and network bandwidth.

Answer: C

Explanation:
Rate Limiting in NoSQL:
In Oracle NoSQL Database Cloud Service, rate limiting primarily controlsread and write throughput. This means defining themaximum number of read and write operations per secondthat a table can handle.
The goal is toprevent a single table from consuming excessive resources, ensuringfair allocationand system stability.
Why the other options are incorrect:
* A:Storage capacity is managed via quotas, not rate limits.
* C:CPU and memory are related to system resources, not table operations.
* D:Indexing and query complexity are managed differently, often via query optimization.

NEW QUESTION # 42
What primary security mechanism within Oracle NoSQL Database Cloud Service governs access to individual tables, dictating which users or groups can perform specific actions?

A. Database Vault
B. Virtual Cloud Network (VCN) security lists
C. Identity and Access Management (IAM) policies
D. Transparent Data Encryption (TDE)

Answer: C

Explanation:
IAM Policies:
Oracle NoSQL Database Cloud Service usesOCI IAM policiesto control access to tables. These policies specify who (user or group) can perform what actions (read, write, delete) on specific database resources. This centralized approach allows for granular permission control, supporting the principle ofleast privilege.
IAM policies are configured at theOCI tenancy leveland can be customized to define access based onusers, groups, and dynamic groups. They are essential for maintaining secure data access, especially in multi- tenant environments.
Why the other options are incorrect:
* A:VCN security lists control network traffic, not table-level access.
* C:Database Vault is for fine-grained access control within traditional Oracle Databases, not NoSQL.
* D:TDE handles data encryption, not access management.

NEW QUESTION # 43
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 # 44
Which two statements are accurate regarding the lifecycle management of an Exadata VM Cluster?

A. Modifying the shape of the Exadata Infrastructure automatically scales the VM Cluster resources proportionally.
B. The VM Cluster can be terminated independently, allowing reuse of the Exadata Infrastructure for a different VM Cluster.
C. The VM Cluster's CPU core count can be dynamically scaled up or down without requiring a reboot.
D. Patching the Exadata Infrastructure automatically patches the VM Cluster and databases.
E. The VM Cluster can be independently stopped and started without impacting the underlying Exadata Infrastructure.

Answer: B,E

Explanation:
A:Exadata VM Clusters can be managed independently from the Exadata Infrastructure. This means you can start or stop the cluster without affecting the infrastructure, which provides flexibility for maintenance and performance tuning.
E:The VM Cluster can be terminated without impacting the Exadata Infrastructure. This feature is useful when you want to reassign the infrastructure resources to a new or different cluster.
Why the other options are incorrect:
* B:While some adjustments might not need a reboot, core count scaling often requires restarting.
* C:Patching the infrastructure and the VM Cluster are separate processes.
* D:Changing the infrastructure shape does not automatically adjust VM Cluster resources. Manual reconfiguration is needed.

NEW QUESTION # 45
......

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Pass Guaranteed 2025 Oracle High Hit-Rate 1z0-1093-25: Oracle Cloud Database Services 2025 Professional Exam Overview

Oracle 1z0-1093-25 Exam Syllabus Topics:

Oracle 1z0-1093-25 Questions - Reduce your Chances of Failure in Exam

Oracle Cloud Database Services 2025 Professional Sample Questions (Q40-Q45):

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