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Oracle Cloud Database Services 2025 Professional 1Z0-1093-25 Exam

Attempt the Oracle Cloud practice test and solve real exam-like 1Z0-1093-25 questions to prepare efficiently and increase your chances of success. Our Oracle 1Z0-1093-25 practice questions match the actual Oracle Cloud Database Services 2025 Professional exam format, helping you enhance confidence and improve performance. With our 1Z0-1093-25 practice exam software, you can analyze your performance, identify weak areas, and work on them effectively to boost your final Oracle Cloud exam score.

Vendor:	Oracle
Exam Name:	Oracle Cloud Database Services 2025 Professional
Registration Code:	1Z0-1093-25
Related Certification:	Oracle Cloud , Oracle Database Certifications
Exam Audience:	Oracle Cloud database professionals, Oracle Database Infrastructure Engineer,

Total Questions

Last Updated

10-01-2026

Exam Duration

90 MINUTES

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Question: 1

Which of the following best describes the primary purpose of table rate limiting within Oracle NoSQL Database Cloud Service?

ATo enforce strict data consistency across all table partitions, ensuring ACID compliance.

BTo prevent a single table from consuming excessive resources, ensuring fair allocation and preventing performance degradation for other tables and users.

CTo automatically optimize table schema design for improved query performance.

DTo restrict the total amount of storage space a table can consume.

Answer: B

Explanation:

Table Rate Limiting:

Table rate limiting ensures that no single table monopolizes system resources, maintaining overall stability and performance in a multi-tenant environment. This feature is crucial for cloud services where numerous applications may share the same database infrastructure. It helps maintain fair access by capping the number of read/write operations per second.

Why the other options are incorrect:

A: ACID compliance is achieved through consistency settings, not rate limiting.

C: Schema optimization is not related to rate limiting.

D: Rate limiting controls IOPS (Input/Output Operations Per Second), not storage space.

Oracle NoSQL Database Cloud Service Rate Limiting

Question: 2

A critical query running on your HeatWave cluster is experiencing significant performance degradation. Which tool or service should you use to identify and analyze the specific query causing the bottleneck?

AOCI Vault for auditing query execution.

BOCI Events for tracking query start and end times.

CMySQL Slow Query Log and OCI Logging Analytics.

DOCI Network Visualizer for analyzing network latency.

EOCI Bastion for secure access to the query execution environment.

Answer: C

Explanation:

MySQL Slow Query Log:

The MySQL Slow Query Log records queries that exceed a specified execution time threshold. It is essential for identifying long-running queries that may be causing performance bottlenecks.

OCI Logging Analytics:

By integrating the slow query log with OCI Logging Analytics, users can visualize query performance patterns, generate alerts, and identify the root cause of slow performance. This combination is powerful for detecting and addressing query-specific issues.

Why the other options are incorrect:

A: OCI Vault is used for managing encryption keys, not query performance.

B: OCI Events track general occurrences, not detailed query performance.

D: Network latency analysis is useful but not directly related to query analysis.

E: OCI Bastion provides secure access, not performance analytics.

Oracle HeatWave Monitoring Documentation

Question: 3

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

AIncreasing the CPU core count of a single database server VM.

BAdding additional database server VMs and storage servers to the Exadata system.

CUpgrading the version of the Oracle Database software.

DExpanding the amount of RAM available to a single database instance.

Answer: B

Explanation:

Scaling Out:

Scaling out in Exadata means increasing the number of database server VMs and storage servers to handle a larger workload. This is achieved by adding more compute nodes and storage cells, allowing the system to distribute database processing across multiple nodes.

This horizontal scalability is ideal for environments with fluctuating workloads or growing data volumes. It improves query performance and fault tolerance since data and workload are distributed across more hardware resources.

Why the other options are incorrect:

A: Increasing CPU cores within a single VM is considered scaling up.

C: Upgrading the database software version is unrelated to scaling.

D: Increasing RAM is also a form of scaling up, not scaling out.

Oracle Exadata Database Service Scalability

Question: 4

When migrating to MySQL HeatWave on Oracle Cloud Infrastructure (OCI), what is the recommended method for securely transferring large database backups?

ATransferring the backup files directly over the public internet using FTP.

BShipping physical hard drives containing the backup files to the OCI data center.

CUsing the Oracle Cloud Infrastructure Data Transfer Service with physical storage appliances.

DCreating a secure VPN connection and transferring the backup files using scp.

EUse of Data Pump with a database link.

Answer: C

Explanation:

Secure Transfer with OCI Data Transfer Service:

The OCI Data Transfer Service is designed to securely transfer large datasets, including database backups, to the cloud. It involves:

Using physical storage appliances to copy data locally and then shipping these devices to OCI data centers.

Data is encrypted and securely transported, minimizing the risks associated with online transfers.

This method is cost-effective and practical for terabytes or petabytes of data, avoiding bandwidth limitations and reducing transfer time.

Why the other options are incorrect:

A: FTP over the public internet is insecure and slow.

B: Physical hard drives without encryption and secure handling increase data breach risks.

D: SCP over VPN is secure but impractical for extremely large datasets.

E: Data Pump is useful for database-to-database transfers, not large file migrations.

Oracle Cloud Infrastructure Data Transfer Service

Question: 5

When provisioning a Base Database Service (BaseDB) virtual machine (VM) instance in Oracle Cloud Infrastructure (OCI), which of the following actions MUST be performed before launching the DB system?

AConfiguring the Data Guard association between the VM and a standby database.

BCreating a backup policy for the database being provisioned.

CCreating a Virtual Cloud Network (VCN) with appropriate subnets and security rules.

DConfiguring Oracle GoldenGate replication.

Answer: C

Explanation:

VCN Requirement:

A Virtual Cloud Network (VCN) is essential for creating a BaseDB VM instance because it provides network connectivity and IP addressing. Subnets and security rules define the access policies and network segmentation.

Without a VCN, the VM instance cannot communicate with other resources or external networks.

Why the other options are incorrect:

A: Data Guard can be configured after provisioning.

B: Backup policies are important but can be set up later.

D: Oracle GoldenGate replication is optional and not required at the time of provisioning.

Oracle BaseDB VM Provisioning Guide

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