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Oracle APEX Cloud Developer Professional Sample Questions (Q52-Q57):

NEW QUESTION # 52
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 # 53
Which two are valid evaluation points for Authorization Schemes?

A. Once per session
B. Once per user
C. Once per page view
D. Never

Answer: A,C

Explanation:
Authorization Schemes in APEX can be evaluated at:
Once per page view: Checks authorization each time a page is rendered.
Once per session: Checks once per user session, caching the result.
Once per user and Never are not valid evaluation points in the Authorization Scheme settings.

NEW QUESTION # 54
Which two statements are true about Oracle APEX?

A. APEX eliminates middle tier application logic.
B. Running an APEX app needs client software.
C. You can build interactive reporting apps based on data from disparate systems.
D. Application definition is not stored in the database.

Answer: A,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 # 55
You created a custom theme for an application. Examine these requirements: (Assuming requirements mandate syncing changes). Which solution guarantees that any changes to the master theme are reflected in the copied theme?

A. Subscribing the copied theme to the master theme and refreshing the theme.
B. Copying the changes made in the master theme to the copied theme.
C. Refreshing the templates.
D. Verifying the theme subscription.

Answer: A

Explanation:
Theme subscription links a copied theme to its master:
A . Subscribing and refreshing: Subscribing the copied theme (in Shared Components > Themes) to the master ensures it inherits updates. "Refresh Theme" (via Theme Roller or Utilities) syncs changes (e.g., CSS, templates) from the master, guaranteeing consistency.
B . Refreshing templates: Only updates individual templates, not the entire theme.
C . Copying changes: Manual, error-prone, and not guaranteed.
D . Verifying subscription: Confirms the link but doesn't sync changes.
Use case: Ideal for maintaining branded consistency across apps.

NEW QUESTION # 56
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

Explanation:
Regenerating Push Notification credentials updates the VAPID keys (public/private pair) in the PWA settings:
A . Existing Push Subscriptions invalidated: Subscriptions (in APEX_APPL_PUSH_SUBSCRIPTIONS) are tied to the old keys. New keys break this link, requiring users to re-subscribe (e.g., via browser prompts), as the push service (e.g., Firebase) can't authenticate old subscriptions.
B . New notification server: False; the server configuration remains; only credentials change.
C . Disabled for the app: False; notifications remain enabled but won't work for old subscriptions until re-established.
Technical Insight: Regeneration updates APEX_PWA_VAPID_PUBLIC_KEY and APEX_PWA_VAPID_PRIVATE_KEY, triggering a subscription refresh cycle.
Use Case: Security breach requires key rotation.
Pitfall: Users must re-opt-in, potentially losing some subscribers.

NEW QUESTION # 57
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Use Actual Oracle 1Z0-771 to Prevent Mental Hassle

1Z0-771 Reliable Test Prep - Practice 1Z0-771 Tests

Oracle APEX Cloud Developer Professional Sample Questions (Q52-Q57):

Free PDF 2025 Authoritative Oracle Test 1Z0-771 Guide Online

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