Oracle 1z0-419 問題集

質問 1：
View the Exhibit

You have defined a compare validation rule on the CommissionPct attnbute of the Employees entity object such that Commission must be greater than zero. How would you define that the validation rule applies only to those with the Jobld "SA_MAN" using the declarative features of ADF Business Components? (Choose the best answer.)
A. Remove the current validator and, instead, write a script validator using Groovy and use an if statement to check the value of JoblD.
B. Remove the current validator and, instead, write a method validator in Java and use an if statement to check the value of JoblD.
C. Remove the current validator and, instead, write a regular expression validator to check the value of JobID
D. The entity object has a Validation Execution tab and you use this to set a conditional execution expression Jobld = "SA_MAN".
E. Change the literal value in the current validation rule to be if Jobld = SA_MAN then return 0.1 else return null.
正解：A

質問 2：
Which two statements are true about the Key Exists validator? (Choose two.)
A. it cannot validate any data changes that happened in the current transaction that have not yet been committed to the database.
B. it always issues a select to the database to ensure all data is up to date.
C. it can validate any data changes that happened in the current transaction that have not yet been committed to the database.
D. it can be used only with attributes that are defined as primary keys in the database.
E. it first checks the cache for match and then goes to the database only if necessary.
正解：C,E

質問 3：
Which code sample is the recommended way to override the createQ method in Employeeslmpl, an implementation of oracle.jbo.serverEntitylrnpl for the Employr
A. protected void create(AttributeList attributeList) { super create(attributeList); setSalary(O); }
B. protected void create(AttributeList attributeList) { SetAttributelnternal (SALARY, 0); super.create(attributeList); }
C. protected void create(AttributeList attributeList) { super create(attnbuteList), setAttributelntemalC'SALARY", 0);]
D. protected void create(Attributel_ist attributeList) { setSalary(O);}
正解：C

質問 4：
Which three objects can the Create business Components from I ables" wizard create? (Choose three.)
A. entity object Java classes
B. query-based view objects based on database tables
C. entity objects based on database tables
D. application module Java classes
E. application module
F. nested application modules
正解：B,C,E

質問 5：
Which two occur when a bounded task flow is created as a region on a page? (Choose two.)
A. An af:reqion tag is added to the page.
B. The transaction property of the task flow is set to "Use Existing Transaction if Possible."
C. a task flow binding is added to the page definition for the page.
D. The refresh property of the task flow binding is set to ifNeeded.
E. Any views defined as pages on the bounded task flow are changed to page fragments.
正解：A,C

質問 6：
Which statement describes the Oracle implementation of model-view-controller (MVC)? (Choose the best answer.)
A. JSF Controller is the best choice for ADF Faces-based web applications because it enables you to break up an application's page flow into re-usable fli
B. Oracle ADF provides a "pure" implementation of MVC. with the model layer handling page navigation and encapsulating business logic.
C. ADF bindings provide a layer of abstraction on top of the business services to enable the view and controller layers to work with different implementation
D. ADF Controller provides support for application tasks such as validation, state management, security, and business-process orchestration.
正解：C

質問 7：
You create a new ADF Faces page called emp.jspx and bind some data controls to that page. You notice a file called empPageDef.xml. What is this file for? (Choose best Answer)
A. it is a template file into which you can write any managed bean code.
B. it is the file that contains the definition of the bindings to your data-bound components.
C. it js the page template definition file that represents the chosen quick start layout.
D. it defines the binding context for all pages in your application.
E. it is the page definition that contains the XML representation of the page layout and the components on that page.
正解：B

質問 8：
The EmployeesVO view object is based on the Employees table and includes a Deptld attribute.
However, Deptld is not really meaningful to the end user and so, for each employee returned by EmployeesVO. you need to show the correct DepartmentName, which comes from the Departments table and is referenced by the EmployeesVO Deptld attribute. How can you achieve this behavior by using the declarative features of ADF Business Components? (Choose the best answer.)
A. Add a transient attribute called DepartmentName in the view object and, in the ViewRowlmpI class, override the getDepartmentName() accessor to: return (String) getAttributelnternal(DEPARTMENTNAME);
B. Create a database view to join the Departments and Employees tables and base the view object on that view.
C. Add a transient attribute to EmployeesVO and set its value to select DepartmentName from Departments where Deptld = EmployeesView.Deptld
D. Define that EmployeesVO is also based on the Departments entity object. Then select "Add attribute from entity" in the EmployeesVO view object and select DepartmentName from the Departments entity object.
E. For the EmployeesVO view object, select the query and add WHERE Employees DEPARTMENTJD = Departments.DEPARTMENTJD
正解：C

質問 9：
View the Exhibit

How would you implement functionality to display product details in a separate window when users place their cursors over a link in the table? (Choose the best ai
A. Create detail components in an afdialog component. Add afshowPopupBehavior to the link within the table and set the Popupld to the ID of the dialog cj
B. Create detail components in an afpopup component Add afshowPopupBehavior to the link within the table and set the Popupld to the ID of the pop-up
C. Create detail components in an afpanelForm component. Add af:showPopupBehavior to the link within the table and set the Popupld to the ID of the pari-
D. Create detail components in an afdialog component. Add af clientAttnbute elements to the link within the table. Create afsetPropertyListener componer
E. Create detail components in an afpopup component Add af showPopupBehavior to the link within the table and set the Popupld to the ID of the pop-up
正解：E