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Quiz Oracle - Perfect Latest 1Z0-931-25 Exam Objectives

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Oracle - Accurate 1Z0-931-25 - Latest Oracle Autonomous Database Cloud 2025 Professional Exam Objectives

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Oracle Autonomous Database Cloud 2025 Professional Sample Questions (Q24-Q29):

NEW QUESTION # 24
Which two are correct actions to take in order to download the Autonomous Database Credentials? (Choose two.)

A. Click on the Object Storage and find your Autonomous bucket and download the wallet credentials
B. Click on the Autonomous Database in the menu, click a database name, then choose DB Connection button, then download the wallet
C. Find the service console for your Autonomous Database, then pick administration, then download the credential wallet
D. Click the compute section of the menu, then choose instance configurations, then download wallet

Answer: B,C

Explanation:
Downloading Autonomous Database credentials (client wallet) is necessary for secure connections. The two correct actions are:
Find the service console for your Autonomous Database, then pick administration, then download the credential wallet (B): In the OCI console, navigate to the Autonomous Database service console (e.g., via the "Database" section). Select your ADB instance, go to the "Administration" tab, and click "Download Client Credentials (Wallet)." You'll set a password and download a ZIP file containing files like tnsnames.ora and certificates. This method is straightforward for DBAs managing the instance directly from its service page.
Click on the Autonomous Database in the menu, click a database name, then choose DB Connection button, then download the wallet (D): From the OCI console's main navigation, go to "Autonomous Database," select your database by name, and click the "DB Connection" button on the details page. Then, select "Download Wallet," provide a password, and download the ZIP file. This is a common path for users accessing connectivity details directly from the database overview.
The incorrect options are:
Click the compute section of the menu, then choose instance configurations, then download wallet (A): The "Compute" section is for virtual machines, not databases. Credentials are tied to the ADB service, not compute instances.
Click on the Object Storage and find your Autonomous bucket and download the wallet credentials (C): Object Storage holds user data or backups, not the wallet credentials, which are generated and downloaded from the ADB service interface.
Both B and D provide secure access to the wallet for tools like SQL Developer.

NEW QUESTION # 25
Which statement is NOT correct when setting up compartment quotas?

A. Along with compartment budgets, compartment quotas create a powerful toolset to manage your spending
B. Compartment quotas are set by Oracle
C. There are three types of quota policy statements which are set, unset, and zero
D. Compartment quotas use policies that allow allocation of resources with a high level of flexibility

Answer: B

Explanation:
Compartment quotas in OCI control resource usage within compartments. The incorrect statement is:
Compartment quotas are set by Oracle (A): This is false. Compartment quotas are not set by Oracle; they are defined by OCI administrators using quota policies in the Identity and Access Management (IAM) system. Admins write policies (e.g., set database quota to 2 autonomous-databases in tenancy) to limit resources like Autonomous Databases per compartment, giving customers full control over resource allocation. Oracle provides the framework, but the specific quotas are user-defined, not Oracle-imposed.
The correct statements are:
Along with compartment budgets, compartment quotas create a powerful toolset to manage your spending (B): True. Quotas limit resource creation (e.g., max 5 ADBs), while budgets track spending (e.g., $1000/month), together offering comprehensive cost management. For example, a quota might cap ADB instances, and a budget alerts when costs approach a threshold.
There are three types of quota policy statements which are set, unset, and zero (C): True. SET assigns a quota (e.g., set compute quota to 10 instances), UNSET removes it, and ZERO sets it to none, effectively blocking resource creation. These verbs provide flexible quota management.
Compartment quotas use policies that allow allocation of resources with a high level of flexibility (D): True. Policies are written in OCI's IAM syntax, allowing granular control (e.g., set database quota to 1 autonomous-database where target.compartment.id = 'ocid1.compartment...'), tailored to specific compartments or resources.
This customer-driven approach distinguishes quotas from Oracle-managed limits.

NEW QUESTION # 26
Which statement is FALSE about loading data into the Autonomous Database using the Data Load card in Database Actions?

A. Data can be loaded from a local data source
B. Data formats supported include: text, CSV, JSON, Avro, and Parquet
C. Data can be uploaded from several cloud storage sources including S3, Azure, Google Cloud, and Oracle Object Storage
D. You must first manually create your database credentials using DBMS_CLOUD.CREATE_CREDENTIAL before accessing your Oracle Object Storage Bucket
E. Data can be loaded from a remote database using Database Links (DBLinks)

Answer: D

Explanation:
The Data Load card in Database Actions (within ADB's web interface) simplifies data loading. The false statement is:
You must first manually create your database credentials using DBMS_CLOUD.CREATE_CREDENTIAL before accessing your Oracle Object Storage Bucket (D): This is incorrect. The Data Load card automates credential management for Oracle Object Storage by leveraging the ADB instance's IAM permissions. When you select an OCI Object Storage bucket in the UI, it uses the instance's resource principal or user OCI credentials (e.g., from your signed-in OCI session), eliminating the need to manually run DBMS_CLOUD.CREATE_CREDENTIAL. For example, uploading sales.csv from a bucket via the Data Load card requires only bucket selection and file mapping-no PL/SQL credential setup. This automation enhances usability, contrasting with manual methods where CREATE_CREDENTIAL is needed (e.g., in SQL scripts).
The true statements are:
Data formats supported include: text, CSV, JSON, Avro, and Parquet (A): The Data Load card supports these formats, parsing them into tables using DBMS_CLOUD under the hood. E.g., a JSON file { "id": 1, "name": "John" } loads as rows.
Data can be loaded from a local data source (B): You can upload files directly from your local machine (e.g., a CSV on your desktop) via the browser interface, staging them temporarily for loading.
Data can be uploaded from several cloud storage sources including S3, Azure, Google Cloud, and Oracle Object Storage (C): The card supports these external cloud sources, requiring credentials (e.g., AWS keys), alongside native OCI Object Storage integration.
Data can be loaded from a remote database using Database Links (E): DBLinks allow pulling data from another Oracle database (e.g., INSERT INTO local_table SELECT * FROM remote_table@link), supported in the Data Load card.
The automation of credentials in D is a key differentiator for the UI-based Data Load feature.

NEW QUESTION # 27
Which three are use cases for Graph Studio? (Choose three.)

A. Pattern matching
B. Facial recognition
C. Churn analysis
D. 3-D modelling
E. Clustering

Answer: A,C,E

Explanation:
Graph Studio in Autonomous Database supports graph-based analysis:
Correct Answer (C): Pattern matching identifies relationships (e.g., fraud rings) using graph queries like PGQL.
Correct Answer (D): Clustering groups related nodes (e.g., communities) using graph algorithms.
Correct Answer (B): Churn analysis leverages graph relationships to predict customer loss (e.g., via influence networks), though less emphasized than C and D, it's a valid use case.
Incorrect Options:
A: Facial recognition is image-based, not graph-based.
E: 3-D modelling is a misinterpretation; it's not a primary graph use case.
These align with Graph Studio's strengths in relationship analysis.

NEW QUESTION # 28
Your company has a .NET application and wants to deploy it on Autonomous Database (ADB). What software is used to connect to ADB from the .NET application?

A. SQL*Plus
B. You cannot use .NET with ADB
C. Oracle Data Access Components for Windows
D. Java

Answer: C

Explanation:
Connecting a .NET application to Autonomous Database (ADB) requires a specific client library compatible with Oracle's database connectivity standards. The correct software is:
Oracle Data Access Components for Windows (D): Oracle Data Access Components (ODAC) for Windows is the recommended software for .NET applications to connect to ADB. ODAC includes the Oracle Data Provider for .NET (ODP.NET), which supports ADO.NET interfaces for database access. It enables .NET developers to use familiar APIs (e.g., OracleConnection, OracleCommand) to interact with ADB over Oracle Net Services, leveraging the secure TLS connection required by ADB (via the client wallet). For example, a .NET app might use ODAC to execute SELECT * FROM customers against an ADB instance, authenticating with a wallet downloaded from the OCI console. ODAC supports both managed and unmanaged modes: the managed ODP.NET is lightweight and assembly-based, while the unmanaged version integrates with Oracle Client libraries. To set it up, developers install ODAC (e.g., via NuGet or Oracle's download site), configure the wallet (e.g., tnsnames.ora), and write code like:
csharp
CollapseWrapCopy
using Oracle.ManagedDataAccess.Client;
string connString = "User Id=USER1;Password=pwd;Data Source=adb_high";
using (OracleConnection conn = new OracleConnection(connString)) {
conn.Open();
// Query execution here
}
This ensures seamless integration with ADB's managed environment, supporting features like connection pooling and high performance.
The incorrect options are:
SQL*Plus (A): SQL*Plus is a command-line tool for SQL execution and administration, not a programmatic library for .NET applications. It's unsuitable for embedding in a .NET app, as it lacks API integration and is meant for manual use (e.g., running scripts like SELECT * FROM table;).
You cannot use .NET with ADB (B): This is false. .NET is fully supported via ODAC, allowing applications (e.g., ASP.NET web apps or Windows services) to connect to ADB just like any Oracle database, provided the wallet and credentials are configured.
Java (C): Java uses JDBC (e.g., Oracle JDBC Driver) for database connectivity, not .NET. While JDBC works with ADB for Java apps, it's irrelevant for a .NET environment, where ODAC is the standard.
ODAC's robust support for .NET makes it the definitive choice, bridging Microsoft's ecosystem with Oracle's cloud database.

NEW QUESTION # 29
......

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