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Question 1

Single choice

Oracle NoSQL Database Cloud Service's key-value model is well-suited for certain types of applications.

Which of the following application scenarios would most directly benefit from the key-value data model's characteristics?

A
An application requiring complex analytical queries and joins across multiple related datasets.
B
A social media platform needing to store and retrieve individual user profiles and their associated data quickly.
C
A financial system requiring strict transactional integrity and complex relationships between accounts and transactions.
D
A content management system needing to enforce a rigid schema for all documents and their metadata.
E
An enterprise resource planning (ERP) system managing intricate relationships between various business entities.

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Correct answerB

Question 2

Multiple choice

Which two are valid mechanisms for accessing OS-level metrics on a Base Database Service Virtual Machine?

A
Utilize the vmcli utility, which allows access to OS-level metrics specific to the DB System.
B
Access OS metrics using the OCI Metrics Explorer within the OCI Console leveraging the Oracle Cloud Agent.
C
The only way to access OS-level metrics is through a custom monitoring agent installed directly on the
VM.
D
All OS metrics are automatically pushed to the Cloud Exadata Service Dashboard, and are not available outside of this service.
E
Access OS metrics programmatically via the OCI Monitoring APIs, which allow retrieval of metrics collected by the Oracle Cloud Agent.

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Correct answersB, E

Question 3

Multiple choice

Which two functionalities are provided by the SQL Performance Analyzer (SPA) within Database Management, aiding in cloud database tuning?

A
Automatically rewrite SQL queries to improve their performance.
B
Compare the performance of SQL statements before and after a database change (e.g., upgrade, parameter change).
C
Generate a report highlighting the performance impact of a specific database change on a set of SQL statements.
D
Analyze the execution plan of a SQL statement and suggest alternative indexing strategies.

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Correct answersB, C

Question 4

Single choice

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?

A
OCI Vault for auditing query execution.
B
OCI Events for tracking query start and end times.
C
MySQL Slow Query Log and OCI Logging Analytics.
D
OCI Network Visualizer for analyzing network latency.
E
OCI Bastion for secure access to the query execution environment.

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Correct answerC

Question 5

Single choice

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?

A
Configuring the Data Guard association between the VM and a standby database.
B
Creating a backup policy for the database being provisioned.
C
Creating a Virtual Cloud Network (VCN) with appropriate subnets and security rules.
D
Configuring Oracle GoldenGate replication.

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Correct answerC

Question 6

Single choice

How does the HeatWave Lakehouse capability extend the analytical capabilities of MySQL HeatWave?

A
By providing a graphical user interface for managing the MySQL database.
B
By enabling HeatWave to query data directly from object storage (e.g., Oracle Cloud Infrastructure Object Storage, Amazon S3) in various formats without requiring data loading.
C
By automatically replicating the MySQL database to a disaster recovery site.
D
By providing a built-in ETL (Extract, Transform, Load) tool for data integration.
E
By creating a separate data warehouse in the cloud to store historical data.

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Correct answerB

Question 7

Single choice

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

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Correct answerC

Question 8

Single choice

What is the primary purpose of installing and configuring the Oracle Management Agent when enabling Database Management Service for a cloud database on a Compute instance?

A
To provide a secure communication channel between the Database Management Service and the database.
B
To handle database backups and recovery operations.
C
To manage the underlying operating system of the Compute instance.
D
To automate database patching and upgrades.

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Correct answerA

Question 9

Multiple choice

Which two of the following describe capabilities of the Database Management service in relation to database parameter management?

A
Database Management can automatically detect and correct parameter settings that deviate fromOracle-recommended best practices, regardless of the database edition.
B
Database Management provides recommendations for parameter tuning based on historical performance data.
C
Database Management facilitates comparing parameter settings between different databases or across different points in time for a single database.
D
Database Management does not offer parameter management capabilities due to security concerns.

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Correct answersB, C

Question 10

Single choice

Which Oracle Cloud Infrastructure (OCI) service is PRIMARILY used to store backups created from a BaseDB database?

A
OCI Block Volume
B
OCI File Storage
C
OCI Object Storage
D
OCI Archive Storage
E
OCI Data Transfer Service

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Correct answerC

Question 11

Single choice

In a BaseDB environment configured with automatic backups, what happens to the automatic backups when the DB system is terminated?

A
All automatic backups are immediately and permanently deleted from object storage.
B
The most recent automatic backup is retained, while older backups are deleted.
C
All automatic backups are retained in object storage for a period determined by the original backup retention policy.
D
Automatic backups are migrated to a lower-cost archive storage tier.
E
The retention of automatic backups after DB system termination is configurable during DB system creation.

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Correct answerC

Question 12

Multiple choice

Which two of the following statements are true regarding security considerations for managingExadata Cloud Infrastructure and VM Clusters?

A
Customers are responsible for configuring host-based firewalls on the Exadata Infrastructure to protect against unauthorized access.
B
Network Security Groups (NSGs) can be used to control network traffic to and from VM Clusters, enhancing security.
C
Oracle manages all security aspects of the Exadata Infrastructure, relieving customers of any security responsibilities.
D
Customers have full access to the Exadata Infrastructure's hypervisor and can implement custom security policies.
E
Customers are responsible for configuring and maintaining the security of the operating system and database software within the VM Clusters.

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Correct answersB, E

Question 13

Single choice

Which of the following is a TRUE statement regarding the storage options typically available when launching an Oracle Cloud Infrastructure (OCI) Base Database Service (BaseDB) virtual machine (VM)?

A
Block Volumes provide the primary storage and are directly attached to the VM.
B
Object Storage is the default storage option for database datafiles.
C
Local NVMe storage is always the default for BaseDB.
D
File Storage is mandatory for database backups.

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Correct answerA

Question 14

Single choice

Which statement accurately describes the function of the HeatWave service in relation to a standard MySQL database?

A
HeatWave is a standalone database system that replaces MySQL, offering enhanced security features.
B
HeatWave provides an in-memory, massively parallel query accelerator to MySQL, improving analytical query performance.
C
HeatWave is a specialized version of MySQL designed solely for transactional workloads, optimized for high concurrency.
D
HeatWave acts as a caching layer in front of MySQL, speeding up access to frequently accessed data.
E
HeatWave is a clustering solution, where a single MySQL instance is split into multiple parts.

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Correct answerB

Question 15

Single choice

When using a NoSQL Database Cloud Service SDK, what is the purpose of handling exceptions or errors returned by the SDK?

A
To automatically recover from hardware failures in the cloud.
B
To ensure data consistency by retrying failed operations.
C
To provide detailed performance metrics to the database administrators.
D
To implement custom logic for handling specific error conditions, such as record not found or insufficient capacity.

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Correct answerD

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Oracle Cloud Database Services 2025 Professional

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