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Pass Application Development 1Z0-771 Exam With 55 Questions
NEW QUESTION # 30
Which two statements are true about Oracle APEX?
- A. Application definition is not stored in the database.
- B. APEX eliminates middle tier application logic.
- C. You can build interactive reporting apps based on data from disparate systems.
- D. Running an APEX app needs client software.
Answer: B,C
Explanation:
Key truths about Oracle APEX:
APEX eliminates middle tier application logic: APEX runs entirely within the Oracle Database, using PL/SQL and SQL for logic, bypassing traditional middle-tier servers (e.g., Java EE). This simplifies architecture and boosts performance.
You can build interactive reporting apps based on data from disparate systems: Via REST Data Sources, database links, or ORDS, APEX integrates data from external systems, enabling unified reporting (e.g., combining on-premises and cloud data).
Needs client software: False; APEX is web-based, requiring only a browser.
Application definition not stored in database: False; definitions are stored as metadata in the database (e.g., APEX_APPLICATIONS).
This reflects APEX's database-centric, low-code philosophy.
NEW QUESTION # 31
Which two Plugin types can be created in Oracle APEX?
- A. Process
- B. Region
- C. Validation
- D. Email Template
Answer: A,B
Explanation:
Plugins extend APEX's functionality beyond built-in components:
C . Process: A Process plugin executes custom server-side logic (e.g., PL/SQL) during page processing or AJAX calls. Example: A plugin to sync data with an external API after form submission. It's defined with execution points and parameters.
D . Region: A Region plugin creates custom UI areas (e.g., a dynamic chart or carousel). Example: A plugin rendering a custom dashboard. It supports attributes, templates, and refresh events.
A . Validation: While validations are customizable, they're not a plugin type; they're declarative or PL/SQL-based within APEX.
B . Email Template: Email formatting is handled via APEX_MAIL or templates in Shared Components, not as plugins.
Technical Insight: Plugins are created in Shared Components > Plug-ins, requiring PL/SQL for logic, JavaScript/CSS for UI, and a render function. For instance, a Region plugin might use apex_plugin.t_region to define its output.
Use Case: A Process plugin to log audit trails or a Region plugin for a unique data visualization.
Pitfall: Developing plugins requires advanced skills; test thoroughly to avoid runtime errors.
NEW QUESTION # 32
You have an Interactive Grid component and you are enabling the Save Report functionality. As what can end users save the report type?
- A. As Private and Public only
- B. As Private and Primary only
- C. As Primary
Answer: A
Explanation:
In an Interactive Grid, the "Save Report" functionality allows end users to save customizations (e.g., filters, column order). The available options are:
Private: Saved for the individual user only, visible only to them.
Public: Saved and shared with all users of the application, if permitted by the developer.
Primary: This is a developer-defined default report, not an end-user save option. End users cannot overwrite the Primary report; they can only save as Private or Public (if enabled via the "Allow Public Reports" attribute).
This flexibility empowers users to personalize grids while allowing shared configurations, enhancing collaboration and usability.
NEW QUESTION # 33
You use the Create Page Wizard to create a faceted search page on the EMP table. What is the default report type generated for this page?
- A. Interactive Report
- B. Classic Report
- C. Column Toggle Report
- D. Interactive Grid
Answer: A
Explanation:
When creating a faceted search page via the Create Page Wizard, the default report type is an Interactive Report. This pairs with the faceted search region to provide a searchable, filterable, and customizable report, leveraging the facets for dynamic filtering.
NEW QUESTION # 34
What happens when you regenerate credentials for Push Notifications in Oracle APEX?
- A. Push Notifications will be disabled for the application.
- B. A new notification server must be created.
- C. Existing Push Subscriptions for the application will be invalidated.
Answer: C
NEW QUESTION # 35
You must create a single master detail page where users can select a row in the master region and see the corresponding details in the detail region. Users must also interact with the master or the detail without leaving the page. Which type of master detail implementation should you use?
- A. Side by Side
- B. Drill Down
- C. Stacked
Answer: A
Explanation:
Master-detail pages in APEX link a master dataset (e.g., list of orders) to its details (e.g., order items). The requirements demand:
C . Side by Side: This layout places the master region (e.g., an Interactive Report) and detail region (e.g., a Form or Grid) horizontally on the same page. Selecting a master row updates the detail region via AJAX, allowing interaction with both regions without navigation. It's ideal for workflows needing simultaneous visibility (e.g., editing details while browsing masters).
A . Drill Down: Master links to a separate detail page, requiring navigation, which violates the "without leaving the page" condition.
B . Stacked: Master and detail are vertically stacked, but interaction is less fluid than side-by-side due to scrolling, though still on one page. Side-by-side is preferred for its clarity and accessibility.
Pitfall: Ensure the detail region's "Server-side Condition" uses the master's selected key (e.g., P1_ID).
NEW QUESTION # 36
Which two tasks can be performed by the APEX Assistant when you create an application using the "Create App using Generative AI" option?
- A. Create the application blueprint.
- B. Create a Generative AI service.
- C. Add a Dashboard page.
- D. Update the App icon with a custom image.
Answer: A,C
Explanation:
The "Create App using Generative AI" feature in APEX Assistant leverages natural language processing to automate application creation. When invoked:
Create the application blueprint: APEX Assistant generates a foundational structure (blueprint) for the application, including pages, regions, and navigation, based on the user's natural language input (e.g., "Create an app to manage employees"). This blueprint serves as the starting point, which developers can refine.
Add a Dashboard page: The Assistant can interpret requests for specific page types, such as dashboards, and include them in the generated app. Dashboards typically feature charts, summaries, or key metrics, and this is a common task supported by the AI-driven creation process.
Create a Generative AI service: This is not a task performed during app creation; instead, it's a prerequisite configuration step done separately in the Instance Administration settings.
Update the App icon: While app icons can be customized manually post-creation, this is not an automated task performed by APEX Assistant during the generative process.
This feature streamlines development by interpreting intent and building functional components, saving significant time compared to manual creation.
NEW QUESTION # 37
The Movies faceted search report is filtered only when the Apply button for a selected facet is clicked. What must be done in the Page Designer so that report filtering is automatically executed when any facet value is selected?
- A. Navigate to the faceted search region Attributes, and turn off the Show Facet Name attribute.
- B. Navigate to the faceted search region Attributes, and disable the Batch Facet Changes attribute.
- C. Navigate to each facet and then in the Property Editor, turn on Client-Side Filtering.
Answer: B
Explanation:
By default, faceted search can "batch" changes, requiring an "Apply" button click to filter the report. To enable automatic filtering:
Disable the Batch Facet Changes attribute: In Page Designer, under the Faceted Search region's Attributes, setting "Batch Facet Changes" to "No" ensures the report refreshes immediately when a facet value is selected, improving responsiveness. This triggers an AJAX call to update the report without a manual submit.
Show Facet Name: This controls facet label visibility, unrelated to filtering behavior.
Client-Side Filtering: This applies to Interactive Reports/Grids, not faceted search regions, and isn't the correct solution here.
This adjustment enhances the user experience by providing instant feedback.
NEW QUESTION # 38
Which API can be used to send Push Notifications immediately in Oracle APEX?
- A. APEX_PWA.HAS_PUSH_SUBSCRIPTION
- B. APEX_PWA.PURGE_QUEUE
- C. APEX_PWA.PUSH_QUEUE
Answer: C
Explanation:
The APEX_PWA package manages Push Notifications:
B . APEX_PWA.PUSH_QUEUE: This procedure forces immediate processing of the Push Notification queue, sending queued messages (added via APEX_PWA.SEND) to subscribed devices without waiting for the default scheduler (e.g., every 5 minutes). Example: APEX_PWA.PUSH_QUEUE; ensures a "Meeting now!" alert goes out instantly.
A . APEX_PWA.HAS_PUSH_SUBSCRIPTION: Checks if a user has an active subscription (returns BOOLEAN), not for sending.
C . APEX_PWA.PURGE_QUEUE: Clears the queue, discarding unsent messages, not sending them.
Technical Insight: PUSH_QUEUE triggers a job to contact the push service (e.g., Firebase), using VAPID keys from the PWA configuration.
Use Case: Urgent alerts (e.g., system outage) need immediate delivery, bypassing delays.
Pitfall: Overuse can strain the server; use judiciously for time-sensitive messages.
NEW QUESTION # 39
Which step is mandatory to make an existing Oracle APEX application Progressive Web App (PWA) enabled?
- A. Enable the PWA flag in the Application Definition.
- B. Add custom JavaScript to support offline functionality.
- C. Verify that Friendly URLs are turned on in the Application Definition.
- D. Enable RESTful Web Services in the application.
Answer: A
Explanation:
To enable an existing APEX application as a Progressive Web App (PWA), the mandatory step is:
Enable the PWA flag in the Application Definition: In the Application Definition attributes under "Progressive Web App," setting "Enable PWA" to "Yes" activates PWA features like installability, push notifications, and service worker generation. This is the foundational step, after which optional customizations (e.g., icons, manifest) can be added.
Friendly URLs: While recommended for modern apps, they're not required for PWA functionality.
Custom JavaScript: Optional for offline capabilities, but not mandatory for basic PWA enablement.
RESTful Web Services: Unrelated to PWA features.
This step transforms the app into a PWA, enhancing user experience on mobile and desktop devices with native-like behavior.
NEW QUESTION # 40
What do you achieve by performing the "Refresh Working Copy" task?
- A. Merge the Working Copy changes with the Main application.
- B. Update the changes from one Working Copy to another.
- C. Get the latest updates from the Main application.
Answer: C
Explanation:
Working Copies in APEX allow safe experimentation:
C . Get the latest updates from the Main application: "Refresh Working Copy" (in App Builder > Working Copies) pulls changes from the Main application into the Working Copy, ensuring it reflects the latest state (e.g., new pages, fixes) without overwriting Working Copy changes.
A . Merge with Main: Merging is a separate "Merge Working Copy" task.
B . Update between Working Copies: Not supported; refreshing is Main-to-Working only.
Practical note: Use this to sync collaborative development efforts.
NEW QUESTION # 41
Which two declarative options in Oracle APEX allow you to download BLOB/CLOB content?
- A. APEX_UTIL.DOWNLOAD PL/SQL API
- B. Download Page Process
- C. Share Dynamic Action
- D. Download Dynamic Action
Answer: B,D
Explanation:
Declarative options for downloading BLOB/CLOB content include:
Download Dynamic Action: A built-in action type to trigger downloads of BLOB/CLOB data.
Download Page Process: A process type that declaratively handles BLOB/CLOB downloads from a table.
APEX_UTIL.DOWNLOAD is a PL/SQL API, not a declarative option, and Share Dynamic Action is for sharing URLs, not downloading files.
NEW QUESTION # 42
An APEX e-commerce application is being used by 50 users. You have a promotional offer, and you need to send a push notification to all the subscribed users on their devices. Which step must be performed in Oracle APEX to achieve this?
- A. Enable push notifications at the application level and let APEX handle the subscription and delivery process automatically.
- B. Create a REST Data Source to send push notifications to all the subscribed users.
- C. Create a Dynamic Action of Send Push Notification type to send push notifications to all the subscribed users.
- D. Create a PL/SQL block to fetch all the subscribed users and send push notifications by using APEX_APPL_PUSH_SUBSCRIPTIONS & APEX_PWA.SEND.
Answer: D
Explanation:
To send push notifications to all subscribed users, you must:
Enable push notifications at the application level (a prerequisite).
Use a PL/SQL block with APEX_APPL_PUSH_SUBSCRIPTIONS to fetch subscribers and APEX_PWA.SEND to send the notifications.
Option A is incorrect as there's no "Send Push Notification" Dynamic Action type. Option B is incomplete as enabling alone doesn't send notifications. Option C is unrelated to push notifications.
NEW QUESTION # 43
The Movies faceted search report is filtered only when the Apply button for a selected facet is clicked. What must be done in the Page Designer so that report filtering is automatically executed when any facet value is selected?
- A. Navigate to the faceted search region Attributes, and turn off the Show Facet Name attribute.
- B. Navigate to the faceted search region Attributes, and disable the Batch Facet Changes attribute.
- C. Navigate to each facet and then in the Property Editor, turn on Client-Side Filtering.
Answer: B
Explanation:
By default, faceted search can "batch" changes, requiring an "Apply" button click to filter the report. To enable automatic filtering:
Disable the Batch Facet Changes attribute: In Page Designer, under the Faceted Search region's Attributes, setting "Batch Facet Changes" to "No" ensures the report refreshes immediately when a facet value is selected, improving responsiveness. This triggers an AJAX call to update the report without a manual submit.
Show Facet Name: This controls facet label visibility, unrelated to filtering behavior.
Client-Side Filtering: This applies to Interactive Reports/Grids, not faceted search regions, and isn't the correct solution here.
This adjustment enhances the user experience by providing instant feedback.
NEW QUESTION # 44
Which two are prerequisites to use the REST-enabled SQL feature in Oracle APEX?
- A. Create a database link to the remote Oracle Database in the local APEX schema.
- B. Install ORDS 19.x or later on the remote Oracle Database.
- C. REST-enable the schema in the remote Oracle Database by using ORDS.ENABLE_SCHEMA.
- D. Install Oracle APEX in the remote Oracle Database.
Answer: B,C
Explanation:
To use REST-enabled SQL in APEX:
Install ORDS 19.x or later: Oracle REST Data Services (ORDS) must be installed and configured on the remote database.
REST-enable the schema: The schema on the remote database must be REST-enabled using ORDS.ENABLE_SCHEMA to allow SQL execution via REST.
A database link is not required, and installing APEX on the remote database is unnecessary since REST-enabled SQL connects APEX to a remote schema via ORDS.
NEW QUESTION # 45
In a faceted search page, facets can be displayed as different UI types. Which two facet item types are supported in the faceted search region?
- A. Date Picker
- B. Checkbox Group
- C. Popup LOV
- D. Range
Answer: B,D
Explanation:
In Oracle APEX, a faceted search page allows users to filter data using facets, which are displayed as UI components in the Faceted Search region. According to the Oracle APEX documentation, the supported facet item types include:
Range: Used for numeric or date ranges, allowing users to filter data within a specified range (e.g., salary or hire date).
Checkbox Group: Used for multi-select options, enabling users to select multiple values from a list (e.g., departments).
Other types like Popup LOV and Date Picker are valid item types in APEX but are not natively supported as facet types in the Faceted Search region. Popup LOV is typically used for single-value selection in forms, and Date Picker is a standalone item type, not a facet-specific UI.
NEW QUESTION # 46
Which component of the Push Notifications feature stores the messages that are ready to be sent?
- A. Subscription
- B. Queue
- C. Application
Answer: B
Explanation:
Push Notifications in Oracle APEX enable real-time messaging to users' devices via Progressive Web App (PWA) capabilities. The component responsible for storing messages is:
A . Queue: The Push Notification Queue (managed internally by APEX and accessible via APIs like APEX_PWA.PUSH_QUEUE) temporarily holds messages scheduled for delivery. When a notification is created (e.g., via APEX_PWA.SEND), it's added to this queue, awaiting processing by the APEX mail system or an external push service. The queue ensures reliable delivery, even if the user is offline temporarily, as messages are dispatched once connectivity is restored.
B . Application: The application defines the PWA settings and logic but doesn't store messages; it's the container, not the storage mechanism.
C . Subscription: Represents user device registrations (stored in APEX_APPL_PUSH_SUBSCRIPTIONS), not the messages themselves. Subscriptions link devices to the app for delivery, not queuing.
Technical Insight: The queue is a database-backed structure, leveraging Oracle's job scheduling (e.g., DBMS_SCHEDULER) to process entries. For example, calling APEX_PWA.SEND(p_message => 'Promo Alert!') adds an entry to the queue, which is then pushed to subscribed devices.
Use Case: A retail app queues a "Sale starts now!" message for 1,000 users, ensuring orderly delivery without overwhelming the server.
Pitfall: If the queue isn't periodically pushed (e.g., via APEX_PWA.PUSH_QUEUE), messages may delay.
NEW QUESTION # 47
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