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Oracle Autonomous Database Cloud 2025 Professional Sample Questions (Q15-Q20):

NEW QUESTION # 15
Which three are use cases for Graph Studio? (Choose three.)

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

Answer: A,D,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 # 16
What are three methods to load data into the Autonomous Database? (Choose three.)

A. Oracle Data Pump
B. Transportable Tablespace
C. Oracle GoldenGate
D. SQL*Loader
E. RMAN Restore

Answer: A,C,D

Explanation:
Autonomous Database supports multiple methods for loading data, tailored to its cloud-managed nature. The three correct methods are:
Oracle Data Pump (A): Data Pump is a versatile tool for importing data into Autonomous Database. You export data from a source database (e.g., using expdp), upload the dump files to OCI Object Storage, and then use the DBMS_CLOUD package (e.g., DBMS_CLOUD.COPY_DATA) to import it. It's ideal for bulk data migration, supporting complex schemas and large datasets. For example, a DBA might export a schema from an on-premises database, upload it to a bucket, and import it into ADB with minimal downtime.
Oracle GoldenGate (C): GoldenGate enables real-time data replication from source databases (on-premises or cloud) to Autonomous Database. It's perfect for continuous data loading or synchronization, supporting both initial loads and ongoing change data capture. For instance, you could replicate transactional data from an OLTP system to ADB using GoldenGate's CDC (Change Data Capture) capabilities, ensuring near-zero latency.
SQL*Loader (E): SQL*Loader loads data from flat files (e.g., CSV, text) into Autonomous Database. You upload files to OCI Object Storage and use DBMS_CLOUD procedures (e.g., DBMS_CLOUD.LOAD_DATA) to process them. It's efficient for structured data imports, like loading a CSV of customer records, with options to handle errors and transformations.
The incorrect options are:
RMAN Restore (B): Recovery Manager (RMAN) is for backups and restores, not general data loading. While it can restore an ADB from a backup, it's not a method for loading new data into an existing instance.
Transportable Tablespace (D): This method moves tablespaces between databases by copying data files, but it's not supported in Autonomous Database due to its managed architecture, which restricts direct file-level operations.
These methods cater to different use cases: Data Pump for migrations, GoldenGate for replication, and SQL*Loader for file-based loads.

NEW QUESTION # 17
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 the compute section of the menu, then choose instance configurations, then download wallet
C. Click on the Autonomous Database in the menu, click a database name, then choose DB Connection button, then download the wallet
D. Find the service console for your Autonomous Database, then pick administration, then download the credential wallet

Answer: C,D

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 # 18
Which native data type is used to store spatial information?

A. SDO_GEOMETRY
B. GEO_JSON
C. SDO_LOCATION
D. SDO_RELATE

Answer: A

Explanation:
Oracle Database supports spatial data with a dedicated data type:
Correct Answer (A): SDO_GEOMETRY is the native data type for storing spatial information, such as points, lines, and polygons, in a structured format compatible with spatial queries and operations.
Incorrect Options:
B: SDO_LOCATION is not a valid data type; it may be a confusion with SDO_GEOMETRY.
C: SDO_RELATE is a spatial operator for relationship analysis, not a storage type.
D: GEO_JSON is a format for spatial data, not a native Oracle data type (though it can be parsed into SDO_GEOMETRY).
This type enables advanced geospatial functionality.

NEW QUESTION # 19
Which three options are supported when migrating to Autonomous Database (ADB)? (Choose three.)

A. Data Pump export/import
B. Data Guard Physical Standby
C. RMAN Cross-Platform backup and restore
D. PDB unplug/plug operation
E. GoldenGate Cloud Service
F. GoldenGate on-premise installation

Answer: A,E,F

Explanation:
Migrating to Autonomous Database supports multiple methods. The three correct options are:
GoldenGate on-premise installation (A): Oracle GoldenGate (on-prem) replicates data from source databases (e.g., Oracle, MySQL) to ADB, supporting real-time or batch migration. You install GoldenGate on-prem, configure extract/replicat processes (e.g., extracting from an Oracle 19c source), and target an ADB instance using credentials and wallet. For example, it might sync an on-prem ORDERS table to ADB with near-zero latency, ideal for live migrations.
GoldenGate Cloud Service (D): GoldenGate Cloud Service, a managed OCI offering, performs the same replication but runs in the cloud. You provision it via OCI Marketplace, configure it to pull from a source (e.g., on-prem or another cloud), and push to ADB. For instance, it could replicate a SaaS database to ADB for analytics, minimizing on-prem overhead. Both GoldenGate options support initial loads and continuous sync.
Data Pump export/import (E): Data Pump exports data/schemas from a source (e.g., expdp hr/hr schemas=HR directory=DATA_PUMP_DIR) to a dump file, which you upload to OCI Object Storage. Then, import into ADB using DBMS_CLOUD.COPY_DATA (e.g., targeting a HR schema). It's great for one-time migrations, like moving a 12c database to ADB, with flexibility to exclude objects (e.g., indexes).
The incorrect options are:
RMAN Cross-Platform backup and restore (B): RMAN restores physical backups, but ADB's managed nature prevents direct RMAN restores-users can't access the file system. RMAN is used for ADB backups internally by Oracle, not customer migrations.
Data Guard Physical Standby (C): Data Guard creates physical standbys for HA, not migration to ADB. ADB uses Autonomous Data Guard internally, but it's not a migration tool from external sources.
PDB unplug/plug operation (F): Unplugging/plugging PDBs requires file-level access, unsupported in ADB due to its managed storage. You'd use Data Pump instead for PDB data.
These methods offer robust, flexible migration paths to ADB.

NEW QUESTION # 20
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