[Jan 04, 2026] Pass 1Z0-931-25 Review Guide, Reliable 1Z0-931-25 Test Engine [Q22-Q45]

[Jan 04, 2026] Pass 1Z0-931-25 Review Guide, Reliable 1Z0-931-25 Test Engine

1Z0-931-25 Test Engine Practice Test Questions, Exam Dumps

NEW QUESTION # 22
In the Autonomous Database on Dedicated Infrastructure service, what does the fleet administrator use to control OCPU utilization?

• A. SQL Developer Web Console
• B. Resource Manager settings
• C. Compartment quotas
• D. Oracle Machine Learning notebook

Answer: C

Explanation:
Fleet administrators manage resource utilization in Autonomous Database on Dedicated Infrastructure:
Correct Answer (B): Compartment quotas are used to set limits on OCPU usage across multiple database instances within a compartment. This OCI feature allows administrators to define maximum resource allocations, ensuring efficient use and cost control at a tenancy level.
Incorrect Options:
A: Oracle Machine Learning notebooks are for analytics, not resource control.
C: SQL Developer Web Console manages individual database tasks, not fleet-wide OCPU limits.
D: Resource Manager settings apply to individual instances, not fleet-level quotas.
Compartments provide a scalable, tenancy-wide control mechanism.

NEW QUESTION # 23
What REST verb is used to create an Autonomous Database service using REST APIs?

• A. A "PUT" REST call
• B. A "POST" REST call
• C. A "GET" REST call
• D. An "INSERT" REST call

Answer: B

Explanation:
Full Detailed In-Depth Explanation:
REST APIs use HTTP verbs:
A: True. POST creates new resources, such as an Autonomous Database instance.
B: False. GET retrieves data, not creates.
C: False. PUT updates existing resources.
D: False. INSERT is not a REST verb; it's SQL-specific.

NEW QUESTION # 24
Which two objects are imported when using Data Pump to migrate your Oracle Database to Autonomous Database? (Choose two.)

• A. Tablespaces
• B. Schemas
• C. Data
• D. Reports

Answer: B,C

Explanation:
Data Pump is a standard tool for migrating databases, including to Autonomous Database:
Correct Answer (A): Data is imported, encompassing table contents and other data objects, ensuring all records are transferred to the target Autonomous Database.
Correct Answer (B): Schemas are imported, including schema definitions (tables, views, indexes, etc.) and their metadata, preserving the database structure.
Incorrect Options:
C: Tablespaces are not imported directly. Autonomous Database manages its own storage internally, automatically mapping imported data to its storage architecture without requiring tablespace definitions from the source.
D: Reports are not database objects and are not part of the Data Pump migration process; they are typically generated separately post-migration.
This ensures a complete and functional migration of data and structure.

NEW QUESTION # 25
Which two statements are correct about Autonomous Data Warehouse on Shared Exadata Infrastructure?

• A. You have direct access to the database node.
• B. Parallelism is not enabled by default.
• C. Oracle Database Result Cache is enabled by default for all SQL statements.
• D. Compression is enabled by default. Autonomous Data Warehouse uses Hybrid Columnar Compression for all tables by default.

Answer: C,D

Explanation:
Let's evaluate each statement about Autonomous Data Warehouse (ADW) on Shared Exadata Infrastructure:
A . Oracle Database Result Cache is enabled by default for all SQL statements: True. ADW enables the Result Cache by default to improve query performance by storing frequently accessed results in memory.
B . You have direct access to the database node: False. ADW is a fully managed service; users do not have direct access to underlying nodes, which Oracle manages for patching, scaling, and security.
C . Parallelism is not enabled by default: False. Parallelism is enabled by default in ADW to optimize large analytical queries across multiple CPUs.
D . Compression is enabled by default. Autonomous Data Warehouse uses Hybrid Columnar Compression for all tables by default: True. Hybrid Columnar Compression (HCC) is applied automatically to reduce storage and enhance query performance.
Thus, A and D are correct, reflecting ADW's default performance optimizations.

NEW QUESTION # 26
Which statement is true when connecting an OCI Marketplace image to a shared Autonomous Database?

• A. Compute Image and Shared ADB must be in the same VCN and Subnet
• B. Cannot connect OCI Marketplace image to shared ADB
• C. ADB must be configured with Private endpoints
• D. ADB must be configured with NSG

Answer: A

Explanation:
Connecting an OCI Marketplace image (e.g., a compute instance running a preconfigured application) to a shared Autonomous Database (ADB) involves network configuration. The correct statement is:
Compute Image and Shared ADB must be in the same VCN and Subnet (A): For a compute instance from the OCI Marketplace to communicate with a shared Autonomous Database, both must reside in the same Virtual Cloud Network (VCN) and subnet. This ensures direct network connectivity without requiring complex routing or public internet traversal. By default, shared ADB instances use private endpoints within a VCN, and placing the compute instance in the same subnet allows seamless access using the database's private IP address. For example, if the ADB is in subnet 10.0.1.0/24, the compute instance must also be in that subnet to connect via Oracle Net Services (e.g., using a wallet and tnsnames.ora).
The incorrect options are:
ADB must be configured with Private endpoints (B): While shared ADB instances are configured with private endpoints by default (not publicly accessible), this is not a configurable option you "must" set-it's inherent to shared infrastructure. Thus, it's not a requirement you actively enforce for this scenario; it's already true.
ADB must be configured with NSG (C): Network Security Groups (NSGs) are optional for controlling traffic to an ADB. You can use NSGs for finer-grained security, but they are not mandatory; Security Lists at the subnet level can suffice. Hence, this is not a universal requirement for connectivity.
Cannot connect OCI Marketplace image to shared ADB (D): This is false. OCI Marketplace images (e.g., a web server or analytics tool) can connect to a shared ADB, provided network and authentication prerequisites (like same VCN/subnet and client credentials) are met.
This requirement simplifies network setup and enhances security by keeping communication internal to the VCN. For instance, a Marketplace image like a web application could query an ADB in the same subnet using JDBC or ODBC, leveraging the private endpoint.

NEW QUESTION # 27
Which Oracle package is used to load data to an Autonomous Database from object storage?

• A. DBMS_LOAD
• B. DBMS_RPC
• C. DBMS_CLOUD
• D. DBMS_MIGRATE

Answer: C

Explanation:
Loading data into Autonomous Database from object storage (e.g., OCI Object Storage) relies on a specific PL/SQL package. The correct answer is:
DBMS_CLOUD (D): The DBMS_CLOUD package is Oracle's cloud-native tool for interacting with external data sources, including object storage, in Autonomous Database. It provides procedures like DBMS_CLOUD.COPY_DATA to load data from files (e.g., CSV, JSON, Parquet) stored in OCI Object Storage buckets into ADB tables. For example, to load a CSV file sales.csv from a bucket, you'd:
BEGIN
DBMS_CLOUD.CREATE_CREDENTIAL(credential_name => 'OBJ_STORE_CRED', username => 'oci_user', password => 'auth_token'); DBMS_CLOUD.COPY_DATA(table_name => 'SALES', credential_name => 'OBJ_STORE_CRED', file_uri_list => 'https://objectstorage.region.oraclecloud.com/n/namespace/b/bucket/o/sales.csv', format => json_object('type' value 'csv')); END; This package handles authentication (via OCI credentials), file parsing, and data insertion, supporting formats like text, Avro, and ORC. It's integral to ADB's cloud integration, abstracting low-level operations and ensuring security (e.g., via IAM auth).
The incorrect options are:
DBMS_RPC (A): This package doesn't exist in Oracle Database. It might be a typo or confusion with remote procedure calls, unrelated to data loading.
DBMS_LOAD (B): No such package exists. It might confuse with SQL*Loader, but that's a separate utility, not a PL/SQL package, and isn't used directly in ADB for object storage.
DBMS_MIGRATE (C): This doesn't exist either. It might be a misnomer for DBMS_DATAPUMP (for Data Pump), but that's for database migration, not object storage loading.
DBMS_CLOUD is purpose-built for ADB's cloud-first architecture, making data ingestion seamless and efficient.

NEW QUESTION # 28
Which statement is FALSE about Data Insights?

• A. The results of the Insight analysis appear as a series of bar charts in the Data Insights dashboard
• B. Data Insights are automatically generated by various analytic functions built into the database
• C. Data Insights provides a wide range of graphical data presentation capabilities
• D. Data Insights display information about patterns and anomalies in the data of entities in your Oracle Autonomous Database

Answer: B

Explanation:
Data Insights is a feature in Autonomous Database that helps users understand their data. The false statement is:
Data Insights are automatically generated by various analytic functions built into the database (C): This is incorrect. Data Insights are not solely the result of automatic execution of built-in analytic functions (e.g., AVG, SUM, or RANK). Instead, they are generated through a combination of user-initiated analysis and Oracle's machine learning-driven capabilities within the Data Insights dashboard (part of Database Actions or OCI console). Users select datasets or tables, and the system applies algorithms to identify patterns (e.g., trends in sales) or anomalies (e.g., outlier transactions), but this process isn't just a passive outcome of pre-existing database functions-it's an active, curated feature requiring configuration. For example, a user might explore a SALES table, and Data Insights highlights a spike in Q4 sales, but this requires user input to define scope, not just automatic function output.
The true statements are:
Data Insights display information about patterns and anomalies in the data of entities in your Oracle Autonomous Database (A): True. The feature visualizes trends (e.g., seasonal sales increases) and outliers (e.g., unexpected data drops) in tables or views, helping users spot significant data behaviors. For instance, it might show a bar chart of monthly revenue with an anomaly flagged for a sudden dip.
Data Insights provides a wide range of graphical data presentation capabilities (B): True. It offers visualizations like bar charts, line graphs, and scatter plots, customizable to represent data insights effectively. E.g., a line graph might track customer sign-ups over time, with options to adjust axes or filters.
The results of the Insight analysis appear as a series of bar charts in the Data Insights dashboard (D): True, partially. While bar charts are a common default (e.g., comparing sales by region), the dashboard supports multiple chart types, but the statement's focus on bar charts aligns with typical output for simple insights.
The misconception in C overlooks the interactive, ML-assisted nature of Data Insights, distinguishing it from passive function-based analytics.

NEW QUESTION # 29
Which command should you issue to enable application continuity on Oracle Autonomous Database on Shared Infrastructure?

• A. ALTER DATABASE SET APPLICATION_CONTINUITY=TRUE
• B. EXEC DBMS_CLOUD_ADMIN.ENABLE_APP_CONT('<service_name>');
• C. ALTER SYSTEM SET APPLICATION_CONTINUITY=TRUE
• D. ALTER SESSION SET APPLICATION_CONTINUITY=TRUE

Answer: B

Explanation:
Application Continuity ensures seamless failover for applications:
Correct Answer (B): EXEC DBMS_CLOUD_ADMIN.ENABLE_APP_CONT('<service_name>'); is the correct command for Autonomous Database on Shared Infrastructure. It enables Application Continuity for a specific service (e.g., tpurgent), leveraging the DBMS_CLOUD_ADMIN package designed for cloud-specific administration.
Incorrect Options:
A: ALTER SESSION only affects the current session, not persistent database-wide settings.
C, D: ALTER DATABASE and ALTER SYSTEM are not supported in Autonomous Database's managed environment; Oracle restricts such commands.
This ensures application resilience in a managed setup.

NEW QUESTION # 30
How can an Autonomous Database resource be provisioned without logging into the Oracle Cloud Infrastructure Console?

• A. Connecting to the cloud infrastructure console using the SSH wallet
• B. It cannot be done
• C. Using the DBCA on the database server
• D. Using the cloud infrastructure command line interface or REST API calls

Answer: D

Explanation:
Provisioning an Autonomous Database without using the OCI Console is possible through programmatic methods. The correct answer is:
Using the cloud infrastructure command line interface or REST API calls (D): The Oracle Cloud Infrastructure Command Line Interface (OCI CLI) and REST APIs allow users to provision and manage Autonomous Database resources programmatically. This method is ideal for automation or when GUI access is not preferred. For example, the OCI CLI command oci db autonomous-database create can be used to provision a database by specifying parameters like compartment ID, database name, and workload type. Similarly, a REST API POST request to /autonomousDatabases achieves the same result.
The incorrect options are:
Using the DBCA on the database server (A): The Database Configuration Assistant (DBCA) is a tool for on-premises Oracle databases, not for cloud-based Autonomous Databases, which are fully managed by Oracle.
Connecting to the cloud infrastructure console using the SSH wallet (B): SSH wallets are for secure shell access to compute instances, not for provisioning databases or interacting with the OCI Console.
It cannot be done (C): This is false, as programmatic provisioning via CLI or API is explicitly supported.
This capability enhances automation and integration into DevOps workflows.

NEW QUESTION # 31
Which of the following two statements regarding Data Transforms are correct? (Choose two.)

• A. Data Transforms provides access to Oracle Data Integrator (ODI) Web Edition
• B. All capabilities to transform data in ODI Classic are available with ODI Web Edition
• C. Workflows for Data Transforms are only available on the ODI Web Edition
• D. Data Transforms allows you to design data transformations in the form of data loads, data flows, and workflows

Answer: B,D

Explanation:
Data Transforms is a feature in Autonomous Database for designing data transformations. The two correct statements are:
Data Transforms allows you to design data transformations in the form of data loads, data flows, and workflows (B): True. Data Transforms provides a graphical interface to create data loads (importing data), data flows (transforming data), and workflows (sequencing operations), simplifying ETL processes within ADB.
All capabilities to transform data in ODI Classic are available with ODI Web Edition (D): True. Oracle Data Integrator (ODI) Web Edition, which integrates with Data Transforms, retains the full transformation capabilities of ODI Classic, adapted for a web-based interface.
The incorrect statements are:
Data Transforms provides access to Oracle Data Integrator (ODI) Web Edition (A): False. Data Transforms is a distinct tool within ADB; while it leverages ODI under the hood, it does not directly provide access to ODI Web Edition as a standalone product.
Workflows for Data Transforms are only available on the ODI Web Edition (C): False. Workflows are part of Data Transforms itself, not exclusive to ODI Web Edition.
These features enhance data integration in ADB.

NEW QUESTION # 32
Your customer wants to permanently disable scheduled maintenance on Autonomous Dedicated Infrastructure to keep their current database version. How can they achieve this?

• A. Change the Automatic Maintenance Schedule to 'No Preference'
• B. Change the Automatic Maintenance Schedule to 'None'
• C. Change the Automatic Maintenance Schedule to 'Specify a Schedule' but do not select any month, week, or day
• D. You cannot permanently disable scheduled Automatic Maintenance

Answer: D

Explanation:
Oracle Autonomous Database on Dedicated Infrastructure enforces automatic maintenance to ensure security, stability, and performance. The correct answer is:
You cannot permanently disable scheduled Automatic Maintenance (C): Oracle mandates periodic maintenance updates (e.g., patching) to keep the database secure and compliant with the latest fixes. Customers can influence the timing of these updates but cannot disable them permanently. This is a design principle of the Autonomous Database service to reduce administrative overhead while maintaining system integrity.
The incorrect options are:
Change the Automatic Maintenance Schedule to 'No Preference' (A): This setting allows Oracle to determine the maintenance window but does not disable maintenance. It still occurs as scheduled by Oracle.
Change the Automatic Maintenance Schedule to 'None' (B): There is no 'None' option in the maintenance scheduling settings for Autonomous Dedicated Infrastructure. This is not a valid configuration.
Change the Automatic Maintenance Schedule to 'Specify a Schedule' but do not select any month, week, or day (D): This is not a functional workaround. Specifying a schedule requires selecting a valid time window, and leaving it blank does not prevent maintenance; it simply reverts to Oracle's default scheduling.
Oracle's documentation confirms that while customers can reschedule or skip specific maintenance runs (up to two consecutive quarters), permanently disabling automatic maintenance is not permitted to ensure the system remains up-to-date and secure.

NEW QUESTION # 33
Which subset of services is offered via OCI-CLI (Command Line Interface) for Autonomous Database (ADB) via calls made to the OCI APIs?

• A. Create, Query, Update, List, Start
• B. Create, Query, List, Stop, Restore
• C. Start, Delete, Update, Query, Stop
• D. Create, Get, List, Stop, Restore

Answer: D

Explanation:
The OCI Command Line Interface (CLI) provides a range of commands for managing Autonomous Database via OCI APIs. The correct answer is:
Create, Get, List, Stop, Restore (B): These are key operations supported by the OCI CLI for Autonomous Database:
Create: oci db autonomous-database create provisions a new ADB instance.
Get: oci db autonomous-database get retrieves details of a specific ADB.
List: oci db autonomous-database list lists all ADBs in a compartment.
Stop: oci db autonomous-database stop halts the database.
Restore: oci db autonomous-database restore restores from a backup.
The incorrect options are:
A (Start, Delete, Update, Query, Stop): "Query" is not a CLI command; "Delete" and "Update" are valid but not part of this specific subset.
C (Create, Query, Update, List, Start): "Query" is invalid; "Update" is supported but not listed here.
D (Create, Query, List, Stop, Restore): "Query" is not a valid CLI operation.
This subset reflects common management tasks via CLI.

NEW QUESTION # 34
Which can be scaled independently of the number of CPUs in an Autonomous Database?

• A. Memory
• B. Storage
• C. Concurrency
• D. Parallelism
• E. Sessions

Answer: B

Explanation:
Autonomous Database allows independent scaling of certain resources:
Correct Answer (B): "Storage" can be scaled independently of OCPUs via the OCI Console or API, adjusting capacity (e.g., from 1 TB to 2 TB) without altering compute resources.
Incorrect Options:
A: Sessions depend on CPU and memory limits, not independently scalable.
C: Memory scales with OCPUs in a fixed ratio, not separately.
D, E: Concurrency and parallelism are tied to CPU resources and consumer group settings.
This flexibility optimizes cost and capacity management.

NEW QUESTION # 35
Which statement is correct about the Service Console in an Autonomous Database?

• A. You can use the Service Console to create manual backups of an Autonomous Database.
• B. You can use the Service Console to manage runaway SQL statements on an Autonomous Database.
• C. You can use the Service Console to enable or disable auto-scaling of an Autonomous Database.
• D. You can use the Service Console to move an Autonomous Database between compartments.

Answer: B

Explanation:
Full Detailed In-Depth Explanation:
The Service Console is a database-specific management interface:
A: False. Auto-scaling is managed via the OCI Console, not the Service Console.
B: True. The Service Console allows monitoring and terminating runaway SQL statements that consume excessive resources.
C: False. Manual backups are created through OCI Console or SQL commands, not the Service Console.
D: False. Moving compartments is an OCI Console function, not a Service Console task.

NEW QUESTION # 36
Oracle Data Safe is a unified control center for your Oracle databases which helps you understand the sensitivity of your data, evaluate risks to data, mask sensitive data, implement and monitor security controls, assess user security, monitor user activity, and address data security compliance requirements. Which statement is FALSE for Oracle Data Safe?

• A. Oracle Data Safe evaluates user types, how users are authenticated, and the password policies assigned to each user
• B. Oracle Data Safe helps you find sensitive data in your database by inspecting the actual data in your database and its data dictionary
• C. Oracle Data Safe only supports Autonomous Database
• D. Oracle Data Safe helps you assess the security of your cloud database configurations by analyzing database configurations

Answer: C

Explanation:
Oracle Data Safe enhances database security across various Oracle environments. The false statement is:
Oracle Data Safe only supports Autonomous Database (D): This is incorrect. Oracle Data Safe supports a wide range of Oracle databases, not just Autonomous Database. It works with Autonomous Database (shared and dedicated), Oracle Database Cloud Service (VM and Bare Metal), Exadata DB Systems, on-premises Oracle Databases, and Oracle Database on OCI Compute. For example, a DBA could use Data Safe to mask sensitive data in an on-premises 19c database or assess security in an Exadata Cloud@Customer deployment, not just ADB. This broad compatibility makes it a unified security tool across Oracle's ecosystem.
The true statements are:
Oracle Data Safe helps you find sensitive data in your database by inspecting the actual data in your database and its data dictionary (A): Data Safe's Data Discovery feature scans tables and metadata to identify sensitive columns (e.g., SSNs, credit card numbers), using predefined and custom patterns.
Oracle Data Safe helps you assess the security of your cloud database configurations by analyzing database configurations (B): The Security Assessment feature evaluates settings like encryption, auditing, and privileges, providing risk scores and recommendations.
Oracle Data Safe evaluates user types, how users are authenticated, and the password policies assigned to each user (C): User Assessment analyzes user accounts, authentication methods (e.g., password, SSO), and policies, highlighting risks like weak passwords.
The misconception in D limits Data Safe's scope, which extends beyond ADB to all supported Oracle databases.

NEW QUESTION # 37
You are the admin user of an Autonomous Database (ADB) instance. A new business analyst has joined the team and would like to explore ADB tables using SQL Developer Web. What steps do you need to take?

• A. Create an IDCS user, create a database user with connect, resource, and object privileges
• B. Create a database user with connect, resource, and object privileges
• C. Create a database user (with connect, resource, object privileges), enable the schema to use SQL Developer Web, and provide the user with the user-specific modified URL
• D. Create a database user with the default privileges

Answer: C

Explanation:
Enabling a new business analyst to use SQL Developer Web with Autonomous Database requires specific steps. The correct answer is:
Create a database user (with connect, resource, object privileges), enable the schema to use SQL Developer Web, and provide the user with the user-specific modified URL (C):
Create a database user: As the ADMIN user, create a new database user (e.g., ANALYST1) with CONNECT (to log in), RESOURCE (to create objects), and object-specific privileges (e.g., SELECT on target tables). Example: CREATE USER ANALYST1 IDENTIFIED BY "password"; GRANT CONNECT, RESOURCE TO ANALYST1; GRANT SELECT ON HR.EMPLOYEES TO ANALYST1;. This ensures the analyst can access and query tables.
Enable the schema for SQL Developer Web: Use the ORDS_ADMIN.ENABLE_SCHEMA procedure to activate the schema for web access. Example: EXEC ORDS_ADMIN.ENABLE_SCHEMA(p_schema => 'ANALYST1');. This step integrates the user with Oracle REST Data Services (ORDS), which powers SQL Developer Web in ADB.
Provide the user-specific URL: After enabling the schema, generate and share the SQL Developer Web URL, which includes the user's credentials (e.g., https://<adb-host>/ords/analyst1/_sdw). The analyst logs in with their database username and password, accessing a browser-based SQL interface to explore tables.
The incorrect options are:
Create a database user with connect, resource, and object privileges (A): This alone isn't enough; without enabling the schema for SQL Developer Web, the user can't access it via the web interface.
Create a database user with the default privileges (B): Default privileges (e.g., just CONNECT) are insufficient for table access or web use; specific grants and ORDS setup are needed.
Create an IDCS user, create a database user with connect, resource, and object privileges (D): Oracle Identity Cloud Service (IDCS) integration is optional and not required for basic SQL Developer Web access in ADB. It's overkill unless SSO is mandated, which isn't specified here.
This multi-step process ensures secure, web-based access tailored to the analyst's needs.

NEW QUESTION # 38
A customer wants to increase the throughput of their inserts. They have discovered that the bottleneck is in the storage I/Os of their environment. What should they do to remove this bottleneck?

• A. Increase the number of OCPUs allocated to the database.
• B. Ask Support to migrate their setup to a node without noisy neighbors.
• C. Remove any non-JSON data from the database.
• D. Run the DBMS_CLOUD.INCREASE_THROUGHPUT procedure.

Answer: A

Explanation:
Addressing a storage I/O bottleneck for insert throughput in Autonomous Database involves resource adjustments:
Correct Answer (C): "Increase the number of OCPUs allocated to the database" boosts processing power, which directly improves I/O performance. In Autonomous Database, OCPUs handle both compute and I/O operations; more OCPUs increase the I/O bandwidth, reducing the bottleneck for insert-heavy workloads.
Incorrect Options:
A: Removing non-JSON data may optimize storage use but doesn't directly address I/O throughput for inserts.
B: "Noisy neighbors" is a shared infrastructure concern, but migration isn't a standard solution for I/O bottlenecks and requires Oracle intervention, not user control.
D: There is no DBMS_CLOUD.INCREASE_THROUGHPUT procedure; this is a fabricated option.
Scaling OCPUs is the most effective user-controlled solution.

NEW QUESTION # 39
Which are two available options when creating an Autonomous Database? (Choose two.)

• A. APEX Service on Shared Infrastructure
• B. APEX Service on Dedicated Infrastructure
• C. Autonomous JSON Database on Dedicated Infrastructure
• D. Autonomous JSON Database on Shared Infrastructure

Answer: B,D

Explanation:
Creating an Autonomous Database offers specific deployment options. The two correct ones are:
APEX Service on Dedicated Infrastructure (A): This option provisions an Autonomous Database on dedicated Exadata infrastructure with Oracle Application Express (APEX) pre-installed and optimized. It's ideal for APEX-based apps (e.g., custom web forms) requiring isolated resources. In the OCI console, you select "Dedicated Infrastructure" and "APEX Service" as the workload type, specifying OCPUs and storage. For example, a company might deploy an APEX app for internal reporting on a dedicated ACD, ensuring performance isolation from other tenants.
Autonomous JSON Database on Shared Infrastructure (C): This creates a schema-less, JSON-centric ADB on shared infrastructure, optimized for document storage (e.g., { "order_id": 123, "items": [...] }). It's provisioned via the OCI console under "Shared Infrastructure," selecting "JSON Database" as the workload type. For instance, a mobile app might use it to store user data, leveraging SQL/JSON queries like SELECT JSON_VALUE(doc, '$.order_id'). It's cost-effective and fully managed, sharing Exadata resources.
The incorrect options are:
APEX Service on Shared Infrastructure (B): There's no distinct "APEX Service" workload type on shared infrastructure. APEX is available within ATP or ADW on shared infra, but it's not a standalone option-you'd provision ATP and enable APEX manually, not as a dedicated "APEX Service." Autonomous JSON Database on Dedicated Infrastructure (D): JSON Database is only offered on shared infrastructure, not dedicated. Dedicated options include ATP, ADW, and APEX Service, but JSON Database leverages shared resources for simplicity and cost.
These options cater to specific app development (APEX) and NoSQL (JSON) needs.

NEW QUESTION # 40
You have been tasked with analyzing a year's worth of sales data stored in an Autonomous Data Warehouse instance. Which tool would you use to automate data exploration and create pivot tables?

• A. APEX
• B. Business Models
• C. Data Load
• D. SQL Developer Web

Answer: B

Explanation:
Full Detailed In-Depth Explanation:
A: False. APEX is for app development, not data exploration.
B: False. SQL Developer Web is for SQL queries, not pivot tables.
C: True. Business Models in ADW automates data exploration and generates pivot tables.
D: False. Data Load is for importing data, not analysis.

NEW QUESTION # 41
What is a best practice when planning and instituting access controls for your Autonomous Dedicated environment regarding subnets, compartments, and user groups?

• A. Only 1 subnet and 1 compartment are allowed, multiple groups highly advised.
• B. Only 1 of each is allowed to be allocated per environment.
• C. Create at least 2 of each resource.
• D. Create a separate VCN that contains only public subnets.

Answer: C

Explanation:
When designing access controls for an Autonomous Dedicated environment, Oracle recommends redundancy and separation for security and manageability:
Correct Answer (D): "Create at least 2 of each resource" (subnets, compartments, user groups) is a best practice:
Subnets: Using at least two subnets (e.g., one public, one private) enhances security by segregating traffic and provides failover options if one subnet encounters issues.
Compartments: Multiple compartments allow logical separation (e.g., dev, test, prod), simplifying access control and resource management.
User Groups: At least two groups (e.g., admins, developers) streamline permission assignments and reduce the risk of over-privileging users.
Incorrect Options:
A: OCI allows multiple subnets and compartments; restricting to one limits flexibility and security.
B: There's no such limitation; multiple resources are supported and encouraged.
C: A VCN with only public subnets contradicts security best practices, as private subnets are critical for database isolation.
This approach aligns with Oracle's guidance for secure and scalable deployments.

NEW QUESTION # 42
What predefined user is created when provisioning an Autonomous Database (ADB) instance to which you connect to create other users and grant roles?

• A. DWDEV
• B. SCOTT
• C. ADMIN
• D. SYS

Answer: C

Explanation:
When provisioning an Autonomous Database (ADB) instance, Oracle creates a default administrative user with extensive privileges. The correct user is:
ADMIN (B): The ADMIN user is automatically created during ADB provisioning and serves as the primary administrative account. It has full privileges to manage the database, including creating users, granting roles, and performing administrative tasks (e.g., scaling, backups). For example, after provisioning an ADB via the OCI console, you'd connect as ADMIN using the password you set, then run commands like: CREATE USER analyst1 IDENTIFIED BY "password"; GRANT CONNECT, RESOURCE TO analyst1;. This user is the entry point for initial configuration and ongoing management, authenticated via the client wallet for secure access (e.g., sqlplus admin/password@adb_high). The ADMIN user is distinct from traditional Oracle users like SYS because ADB's managed nature limits direct system-level access, funneling administration through ADMIN.
The incorrect options are:
SYS (A): In traditional Oracle databases, SYS is the superuser with ultimate control (e.g., owning the data dictionary). In ADB, however, SYS exists but is locked and inaccessible to customers due to the fully managed environment-Oracle manages system-level operations, and users connect as ADMIN instead.
DWDEV (C): There's no predefined DWDEV user in ADB. This might confuse with roles like DWROLE (for Data Warehouse developers), but no such user is created by default.
SCOTT (D): SCOTT is a sample user from older Oracle versions (with tables like EMP and DEPT), not created in ADB. It's irrelevant in this modern, managed context.
The ADMIN user's role ensures customers can manage ADB without needing Oracle's intervention, aligning with its autonomous design.

NEW QUESTION # 43
Which three operations are available for a quarterly maintenance update on Autonomous Container Database? (Choose three.)

• A. Skip patching
• B. Reschedule and patch immediately
• C. Patch immediately
• D. Reschedule patching
• E. Apply a partial patch

Answer: A,B,D

Explanation:
Oracle Autonomous Container Database (ACD) provides specific options for managing quarterly maintenance updates to ensure minimal disruption and flexibility. The three correct operations available are:
Reschedule and patch immediately (B): This option allows users to adjust the maintenance window to a more convenient time and apply the patch right away within that rescheduled window. It's useful when the default schedule conflicts with business operations but immediate patching is still desired.
Reschedule patching (C): This option enables users to defer the patching to a later maintenance window that suits their operational needs, providing flexibility without applying the patch immediately.
Skip patching (D): Users can choose to skip a quarterly maintenance update entirely, which is beneficial if the current database version is stable and no immediate updates are required. Oracle allows skipping up to two consecutive quarterly updates for Autonomous Container Databases on dedicated infrastructure.
The incorrect options are:
Patch immediately (A): This is not a standalone option for quarterly updates on ACDs. Patching occurs within scheduled maintenance windows, and immediate patching outside of rescheduling is not supported as a distinct choice.
Apply a partial patch (E): Oracle does not support applying partial patches during quarterly maintenance updates. Updates are delivered as complete bundles to ensure consistency and security.
This aligns with Oracle's maintenance policies for Autonomous Databases on dedicated infrastructure, where control over scheduling and skipping is provided, but partial patching is not an option.

NEW QUESTION # 44
Which option describes the connection types that third-party software can use to connect to an Autonomous Database (ADB)?

• A. SQL*NET only
• B. Any protocol supported by Oracle Net Services
• C. JDBC only
• D. New ADB-specific protocols

Answer: B

Explanation:
Third-party software can connect to an Autonomous Database using standard Oracle connectivity options. The correct answer is:
Any protocol supported by Oracle Net Services (B): Autonomous Database leverages Oracle Net Services (also known as SQL*Net) for connectivity, supporting protocols like TCP/IP with TLS for secure communication. This allows a wide range of third-party tools (e.g., SQL Developer, Tableau, or custom applications) to connect using established Oracle networking standards.
The incorrect options are:
New ADB-specific protocols (A): There are no proprietary, ADB-specific protocols; it uses Oracle's existing Net Services framework.
SQL*NET only (C): While SQLNet is part of Oracle Net Services, the broader term "Oracle Net Services" encompasses all supported protocols, not just SQLNet.
JDBC only (D): JDBC is a specific Java-based API for database connectivity, not a protocol, and it's just one of many ways to connect via Oracle Net Services.
This flexibility ensures compatibility with diverse client applications.

NEW QUESTION # 45
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