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2025 Exam 1z0-1093-25 Quiz - Realistic Oracle Cloud Database Services 2025 Professional Practical Information Free PDF Quiz

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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

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 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

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 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.

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Varieties of Oracle 1z0-1093-25 Exam Practice Test Questions

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Oracle Cloud Database Services 2025 Professional Sample Questions (Q49-Q54):

NEW QUESTION # 49
Within the context of Exadata Database Service, what does scaling out primarily refer to?

A. Increasing the CPU core count of a single database server VM.
B. Expanding the amount of RAM available to a single database instance.
C. Upgrading the version of the Oracle Database software.
D. Adding additional database server VMs and storage servers to the Exadata system.

Answer: D

Explanation:
Scaling Out:
Scaling out in Exadata means increasing thenumber of database server VMs and storage serversto handle a larger workload. This is achieved byadding more compute nodesand storage cells, allowing the system to distribute database processingacross multiple nodes.
This horizontal scalability is ideal for environments with fluctuating workloads or growing data volumes. It improvesquery performance and fault tolerancesince data and workload are distributed across more hardware resources.
Why the other options are incorrect:
* A:Increasing CPU cores within a single VM is consideredscaling up.
* C:Upgrading the database software version is unrelated to scaling.
* D:Increasing RAM is also a form of scaling up, not scaling out.

NEW QUESTION # 50
You are managing an Exadata Database Service (ExaDB) and need to perform a full backup of the database to Oracle Cloud Infrastructure Object Storage using the bkup_api utility. The backup must include all datafiles and control files. Which bkup_api command will achieve this?

A. bkup_api bkup_start --all --dbname=dbname
B. bkup_api bkup_start --full --dbname=dbname
C. bkup_api bkup_start --dbname=dbname
D. bkup_api bkup_start --datafiles --controlfile --dbname=dbname

Answer: B

Explanation:
Full Backup with bkup_api:
The --full flag in thebkup_api commandensures that the backup includesall datafiles and control files. This command is essential for creating acomplete, consistent backupsuitable for recovery purposes.
* The backup is stored inOCI Object Storage, leveraging cloud scalability and redundancy.
* The --dbname parameter specifies which database to back up.
Why the other options are incorrect:
* A:This command may initiate a default backup, not a full one.
* B:Specifying files individually is less efficient than using --full.
* D:The --all option does not necessarily imply a full backup.

NEW QUESTION # 51
In the context of MySQL HeatWave, what is the purpose of the HeatWave AutoPilot feature?

A. To automatically back up and restore the MySQL database to Oracle Cloud Infrastructure Object Storage.
B. To automatically generate reports on MySQL performance and usage.
C. To automatically detect and prevent security vulnerabilities in the MySQL database.
D. To automate various aspects of HeatWave management, such as data placement, node sizing and resource allocation, and query scheduling.
E. To automatically scale the number of MySQL instances based on transactional workload demands.

Answer: D

Explanation:
C: To automate various aspects of HeatWave management, such as data placement, node sizing and resource allocation, and query scheduling.
HeatWave AutoPilot Automation:
* HeatWave AutoPilot is designed to simplify and optimize the management of HeatWave.
* It automates critical tasks like:
* Data placement:Optimizing where data is stored in the HeatWave cluster for efficient query processing.
* Node sizing and resource allocation:Dynamically adjusting the size of the HeatWave cluster and allocating resources based on workload demands.
* Query scheduling:Optimizing the execution of queries for maximum performance.
* Enhanced Performance:By automating these tasks, HeatWave AutoPilot helps to ensure optimal performance and resource utilization.
Why the other options are incorrect:
* A. Automatically detecting and preventing security vulnerabilities:This is not the primary function of HeatWave AutoPilot.
* B. Automatically scaling MySQL instances based on transactional workload:HeatWave is focused on analytical workloads, not transactional scaling.
* D. Automatically generating performance reports:While monitoring is important, this isnot the main purpose of AutoPilot.
* E. Automatically backing up to OCI Object Storage:Backup and restore are separate functions and not part of AutoPilot's core functionality.

NEW QUESTION # 52
Within the context of Oracle Cloud Infrastructure (OCI) Base Database Service (BaseDB) virtual machine (VM) provisioning, which action is typically the RESPONSIBILITY of the customer?

A. Automatically applying critical security patches to the operating system.
B. Maintaining the OCI hypervisor software.
C. Managing the Oracle Grid Infrastructure software stack.
D. Ensuring the underlying hardware infrastructure remains fault-tolerant.

Answer: C

Explanation:
B: Managing the Oracle Grid Infrastructure software stack:
* Customers are responsible for the installation, configuration, and maintenance of the Oracle Grid Infrastructure when using BaseDB VMs.
* This includes managing Oracle Clusterware and Automatic Storage Management (ASM) if applicable.
* Ensuring the Grid Infrastructure's availability and performance is part of customer-managed tasks.
Why the other options are incorrect:
* A. Hardware fault tolerance:Managed by Oracle Cloud Infrastructure.
* C. Hypervisor maintenance:Handled by Oracle as part of the OCI infrastructure.
* D. Security patching:While OCI provides tools, the responsibility for OS patching lies with the customer.

NEW QUESTION # 53
Which aspect of NoSQL Database Cloud Service is LEAST impacted by the choice of SDK used in an application?

A. Underlying database architecture and scalability characteristics.
B. Syntax for querying data.
C. Error handling mechanisms.
D. Method for authenticating with the service.

Answer: A

Explanation:
C: Underlying database architecture and scalability characteristics:
* Thearchitecture and scalabilityof Oracle NoSQL Database Cloud Service are inherent to the platform and do not change based on the SDK.
* SDKs are designed to providelanguage-specific interfacesfor data interaction but do not alter the core architecture.
* Whether using Java, Python, or another SDK, the database'ssharding, replication, and consistency characteristics remain constant.
Why the other options are impacted:
* A. Query syntax:SDKs may offer different syntax or query formats.
* B. Authentication method:Varies between SDKs, e.g., API keys vs. IAM tokens.
* D. Error handling:Each SDK may implement error handling differently, influencing how exceptions are processed.

NEW QUESTION # 54
......

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