Oracle APEX Cloud Developer Professional (1Z0-771) — Questions and Answers
Question 1: In Oracle Application Express, what does "chain of custody" refer to?
- The documented, chronological record of evidence handling from collection to presentation (Correct answer)
- The sequence of patrol routes during a shift
- The order in which security guards take breaks
- The organizational hierarchy of security personnel
Correct answer: The documented, chronological record of evidence handling from collection to presentation
Chain of custody documents every person who handles evidence, when they received and transferred it, and what they did with it, ensuring evidence integrity and admissibility.
Question 2: In Oracle Application Express, why is form development knowledge important for professional certification?
- It has no practical relevance to daily work
- It demonstrates competence and ensures practitioners meet established standards (Correct answer)
- It is important only for entry-level positions
- It is only required for administrative purposes
Correct answer: It demonstrates competence and ensures practitioners meet established standards
Professional certification in specific knowledge areas demonstrates that practitioners have met established competency standards, ensuring quality of service and public protection.
Question 3: Jane is creating a new application. Users of the application will use SSO to authenticate. SSO has been defined for the instance. <br><br> Which step should Jane perform in the Create Application Wizard?
- Include a Sign-In page in the list of pages.
- Update Advanced Settings to specify authentication.
- Include the Access Control feature.
- Under Authentication, select Single Sign On (SSO). (Correct answer)
Correct answer: Under Authentication, select Single Sign On (SSO).
Explanation: <br> Selecting Single Sign-On (SSO) under Authentication in the Create Application Wizard ensures that users of the application will use SSO to authenticate, as per the defined SSO setup for the instance. This step configures the application to utilize the existing SSO mechanism for authentication.
Question 4: What is the difference between qualitative and quantitative research in Oracle Application Express?
- Qualitative explores experiences and meanings; quantitative measures and counts numerical data (Correct answer)
- Quantitative cannot be used in social sciences
- There is no meaningful difference between them
- Qualitative is always more rigorous than quantitative
Correct answer: Qualitative explores experiences and meanings; quantitative measures and counts numerical data
Qualitative research explores experiences, perceptions, and meanings through methods like interviews and observation. Quantitative research measures variables numerically through surveys, experiments, and statistical analysis.
Question 5: In Oracle APEX Interactive Grid, which 'Allowed Operations' setting must be enabled to allow users to delete rows?
- Delete Row (Correct answer)
- Row Operations: Delete
- Allow Row Removal
- Enable Delete
Correct answer: Delete Row
The 'Delete Row' checkbox under Allowed Operations must be checked on the Interactive Grid to permit row deletion.
Question 6: In Oracle Application Express, what should be the first action when discovering a security breach?
- Wait until the end of shift to report it
- Assess the situation and follow established incident response procedures (Correct answer)
- Assume it is a false alarm
- Immediately pursue the perpetrator alone
Correct answer: Assess the situation and follow established incident response procedures
The proper response to a security breach begins with assessing the situation to determine the nature and scope, then following established protocols to ensure appropriate notification, response, and documentation.
Question 7: What is the relationship between theory and practice in Oracle Application Express application builder?
- Practice is only important; theory is unnecessary
- Theory provides the foundation and framework that guides effective practical application (Correct answer)
- Theory replaces the need for any practical experience
- Theory and practice are completely unrelated
Correct answer: Theory provides the foundation and framework that guides effective practical application
Theory and practice are complementary: theoretical knowledge provides the conceptual framework and understanding that guides effective, evidence-based practical application in professional settings.
Question 8: In Oracle Application Express, what is the rule of thirds?
- A requirement to use only three colors
- A rule requiring exactly three elements in every design
- A guideline for working in three-hour sessions
- A compositional guideline that divides the frame into a 3x3 grid for balanced placement (Correct answer)
Correct answer: A compositional guideline that divides the frame into a 3x3 grid for balanced placement
The rule of thirds divides the frame into nine equal sections with two horizontal and two vertical lines. Placing key elements along these lines or at their intersections creates more dynamic and visually appealing compositions.
Question 9: When an Oracle APEX Interactive Grid processes multiple row changes, which page process type is used to submit and save all edits at once?
- Interactive Grid - Save Row
- Submit Page
- Execute PL/SQL Code
- Interactive Grid - Automatic Row Processing (DML) (Correct answer)
Correct answer: Interactive Grid - Automatic Row Processing (DML)
The 'Interactive Grid - Automatic Row Processing (DML)' process type handles INSERT, UPDATE, and DELETE for all changed rows in the grid.
Question 10: What is the primary difference between an Interactive Grid and an Interactive Report in Oracle APEX?
- Interactive Grid supports inline editing of data; Interactive Report does not (Correct answer)
- Interactive Grid is read-only; Interactive Report is editable
- There is no functional difference between the two
- Interactive Report supports inline editing; Interactive Grid does not
Correct answer: Interactive Grid supports inline editing of data; Interactive Report does not
Interactive Grid supports inline cell editing and row operations directly on the page, which Interactive Report does not support.
Question 11: What is a best practice in Oracle Application Express form development?
- The cheapest available approach
- A method or technique recognized as superior based on evidence and expert consensus (Correct answer)
- Any practice that is easy to implement
- A practice used only by large organizations
Correct answer: A method or technique recognized as superior based on evidence and expert consensus
Best practices are methods, techniques, or approaches that are recognized through evidence, research, and expert consensus as producing superior results and are recommended for adoption.
Question 12: In Application Express, how do you enable a database schema assigned to the current workspace so that it can be used to serve ORDS-based RESTful Services?
- Install the Sample REST Services packaged application.
- Navigate to the Shared Components section and configure a REST Enabled SQL resource.
- Navigate to the ORDS RESTful services section of SQL workshop, select the appropriate schema, and click the "Register Schema with ORDS" button. (Correct answer)
- Navigate to workspace administration and in the Set Workspace Preferences section, set Enable RESTful Services to "Yes".
Correct answer: Navigate to the ORDS RESTful services section of SQL workshop, select the appropriate schema, and click the "Register Schema with ORDS" button.
Explanation: <br> This option directly addresses enabling a database schema assigned to the current workspace for serving ORDS-based RESTful services by registering the schema with ORDS. This step ensures that the schema can be utilized for RESTful service development within the workspace.
Question 13: What does the 'Pagination Type' attribute of an Oracle APEX Interactive Grid control?
- The number of rows per page only
- How records are loaded and displayed, such as scroll or page-based navigation (Correct answer)
- The order in which rows are fetched from the database
- Whether the grid fetches all rows at once or none
Correct answer: How records are loaded and displayed, such as scroll or page-based navigation
Pagination Type determines whether the Interactive Grid uses infinite scroll, load more, or traditional page navigation to display records.
Question 14: In Oracle APEX, which Interactive Grid column type should be used to display a checkbox for boolean or Yes/No data?
- Select List with static values
- Checkbox (Correct answer)
- Boolean Display
- Switch
Correct answer: Checkbox
The Checkbox column type in Interactive Grid renders a checkbox UI control suitable for boolean or Yes/No column values.
Question 15: Which Shared Component defines what actions a user is permitted to perform within an Oracle APEX application?
- Authentication Scheme
- Authorization Scheme (Correct answer)
- Build Option
- Application Process
Correct answer: Authorization Scheme
Authorization Schemes define what authenticated users are allowed to do, such as restricting access to certain pages or components based on roles or conditions.
Question 16: What is the difference between raster and vector graphics in Oracle Application Express?
- Vector graphics cannot display colors
- Raster is always better quality than vector
- There is no practical difference between them
- Raster uses pixels and loses quality when scaled; vector uses mathematical paths and scales infinitely (Correct answer)
Correct answer: Raster uses pixels and loses quality when scaled; vector uses mathematical paths and scales infinitely
Raster graphics are made of pixels and become pixelated when enlarged. Vector graphics use mathematical curves and lines, allowing them to be scaled to any size without losing quality.
Question 17: What is the role of a 'Hidden Column' in an Oracle APEX Interactive Grid?
- It holds data values (such as a primary key) that are submitted but not visible to the user (Correct answer)
- It permanently removes the column from query results
- It creates a virtual column with no data binding
- It hides the column from the database view
Correct answer: It holds data values (such as a primary key) that are submitted but not visible to the user
A Hidden Column stores values like primary keys in the grid model and submits them during DML without displaying them to the end user.
Question 18: In Oracle APEX, what is the purpose of a Navigation Bar Entry?
- To create the left-side tree navigation
- To add menu items to the side navigation list
- To define breadcrumb trails on each page
- To add icon or text links in the application header area, such as Home or Logout (Correct answer)
Correct answer: To add icon or text links in the application header area, such as Home or Logout
Navigation Bar Entries appear in the application header area and are commonly used for global links like the home page link or logout button.
Question 19: Which approach is most effective for mastering restful services in Oracle Application Express?
- Studying only immediately before examinations
- Combining theoretical study with practical application and regular review (Correct answer)
- Relying solely on on-the-job experience
- Memorizing textbook definitions without understanding
Correct answer: Combining theoretical study with practical application and regular review
The most effective approach combines theoretical understanding with practical application, reinforced by regular review and assessment, enabling deeper comprehension and long-term retention.
Question 20: In Oracle APEX Interactive Grid, what does setting a column's 'Query Only' attribute to Yes mean?
- The column value is fetched from the database but never included in INSERT or UPDATE statements (Correct answer)
- The column displays only SQL query results without formatting
- The column cannot be filtered or sorted by the user
- The column is hidden from non-admin users
Correct answer: The column value is fetched from the database but never included in INSERT or UPDATE statements
A Query Only column is read from the database for display purposes but is excluded from DML operations performed by the grid.
Question 21: In Oracle Application Express, what role does continuing education play in restful services?
- To replace initial certification requirements
- To keep professionals current with evolving standards, technologies, and best practices (Correct answer)
- To prevent professionals from advancing in their careers
- To increase testing frequency for compliance purposes
Correct answer: To keep professionals current with evolving standards, technologies, and best practices
Continuing education ensures professionals stay current with new developments, evolving standards, and emerging best practices in their field, maintaining competence throughout their careers.
Question 22: What is the concept of "deterrence" in Oracle Application Express authentication and security?
- Installing only hidden security cameras
- Ignoring minor security breaches
- Physically confronting all suspicious individuals
- Discouraging potential threats through visible security presence and measures (Correct answer)
Correct answer: Discouraging potential threats through visible security presence and measures
Deterrence aims to discourage potential threats and criminal activity through visible security measures, creating the perception that risks outweigh potential gains for would-be offenders.
Question 23: In Oracle APEX, where do you configure the icon displayed next to a navigation menu entry in the Universal Theme side navigation?
- In the List Entry's 'Image/Class' attribute using a Font APEX icon class (Correct answer)
- In the page template settings
- In the Shared Components icon library
- In the Navigation Menu region CSS
Correct answer: In the List Entry's 'Image/Class' attribute using a Font APEX icon class
The 'Image/Class' attribute on a List Entry accepts a Font APEX CSS class (e.g., fa-home) to display an icon next to the navigation entry.
Question 24: What is the purpose of conducting security risk assessments in Oracle Application Express?
- To reduce insurance premiums only
- To eliminate all security personnel
- To identify vulnerabilities, evaluate threats, and recommend protective measures (Correct answer)
- To justify budget increases without analysis
Correct answer: To identify vulnerabilities, evaluate threats, and recommend protective measures
Security risk assessments systematically identify and evaluate threats and vulnerabilities, assess potential impacts, and recommend cost-effective countermeasures to reduce risk to acceptable levels.
Question 25: Which Oracle APEX API call refreshes an Interactive Grid region programmatically using JavaScript?
- apex.event.trigger('#staticId', 'apexrefresh')
- apex.widget.refresh('staticId')
- apex.ig.refresh('staticId')
- apex.region('staticId').refresh() (Correct answer)
Correct answer: apex.region('staticId').refresh()
apex.region('staticId').refresh() is the standard APEX JavaScript API call to reload the data in an Interactive Grid region.
Question 26: John is evaluating an old APEX application that has over 20 tabular forms. He wants to update the application and replace all of the tabular forms with interactive grids. <br><br> What is the fastest way for John to replace the old reports?
- Use the Upgrade Application utility and select the candidate objects listed for "Upgrade Tabular Form to Interactive Grid", select all, and then click Upgrade.
- Go to each report and change the type from Tabular Form to Interactive Grid. (Correct answer)
- Go to each page with a tabular form, copy the SQL Source from the Tabular Form region, and use it to create a new interactive grid.
- Use the Create Page Wizard to create new pages with interactive grids, and then delete the old pages with tabular forms.
Correct answer: Go to each report and change the type from Tabular Form to Interactive Grid.
Explanation: <br> This option involves directly updating each report from a tabular form to an interactive grid. While it might seem straightforward, it could be time-consuming if John has to manually edit each report individually. However, if John is familiar with the structure of the application and the locations of the reports, this method could still be relatively efficient, especially if there are not too many reports to update.
Question 27: In Oracle Application Express, what role does continuing education play in sql workshop?
- To prevent professionals from advancing in their careers
- To keep professionals current with evolving standards, technologies, and best practices (Correct answer)
- To increase testing frequency for compliance purposes
- To replace initial certification requirements
Correct answer: To keep professionals current with evolving standards, technologies, and best practices
Continuing education ensures professionals stay current with new developments, evolving standards, and emerging best practices in their field, maintaining competence throughout their careers.
Question 28: Who created APEX?
- Lord Thomas
- Mike Robbin
- Andrew Flow
- Mike Hichida (Correct answer)
Correct answer: Mike Hichida
Explanation: <br> Mike Hichida is the correct answer because he is the creator of APEX.
Question 29: What is the relationship between theory and practice in Oracle Application Express dynamic actions?
- Practice is only important; theory is unnecessary
- Theory replaces the need for any practical experience
- Theory and practice are completely unrelated
- Theory provides the foundation and framework that guides effective practical application (Correct answer)
Correct answer: Theory provides the foundation and framework that guides effective practical application
Theory and practice are complementary: theoretical knowledge provides the conceptual framework and understanding that guides effective, evidence-based practical application in professional settings.
Question 30: In Oracle Application Express, what role does continuing education play in dynamic actions?
- To replace initial certification requirements
- To keep professionals current with evolving standards, technologies, and best practices (Correct answer)
- To prevent professionals from advancing in their careers
- To increase testing frequency for compliance purposes
Correct answer: To keep professionals current with evolving standards, technologies, and best practices
Continuing education ensures professionals stay current with new developments, evolving standards, and emerging best practices in their field, maintaining competence throughout their careers.
Oracle APEX Cloud Developer Professional (1Z0-771)
The Oracle APEX Cloud Developer Professional certification validates skills in building low-code applications using Oracle Application Express on Oracle Autonomous Database, covering page design, dynamic actions, reports, security, and REST integration.
Exam Rules
- You can skip questions and return to them later
- Flag questions for review before submitting
- No feedback shown until you submit the entire exam
- Unanswered questions count as wrong — answer everything
- 10 pretest questions are mixed in and don't affect your score
- Timer auto-submits when time runs out
- Your progress is auto-saved every 30 seconds