Oracle 1z0-441 問題集

質問 1：
In an AMX page, you want to hide/show a button based on the mobile device having a camera.
Which is a valid EL expression to test for the camera?
A. <amx:commandButton rendered="#{deviceScope.device.hasCamera}"/>
B. <amx:commandButton rendered="#{device.hasCamera}"/>
C. <amx:commandButton rendered="#{deviceScope.camera}"/>
D. <amx:commandButton rendered="#{device.camera}"/>
正解：C

質問 2：
In your MAF design, you have defined a "checkout" feature based on a task flow where customers place items into their shopping basket and, at the end of task flow, either purchase the items in the shopping cart or cancel the order. The items in the shopping cart are persisted in a managed bean.
Which single bean scope is the right option for the shopping cart managed bean?
A. viewScope
B. requestScope
C. applicationScope
D. sessionScope
E. backingBeanScope
F. pageFlowScope
正解：F
解説: (Topexam メンバーにのみ表示されます)

質問 3：
For a MAF application to register an URL scheme to be invoked by other applications on the device, it must define two things. First, it defines the URL scheme in the maf-application.xml file.
What is the second thing the application must do to be invoked and handle the event when the application is initiated by the URL scheme?
A. Within the application's LifeCycleListenerImpl.start() method, register an EventListener to fire and respond to the event.
B. In themaf-application.xmlfile, define an event listener with an associated Java class to respond.
C. In themaf-application.xmlfile, configure the 'Push-Notification' device access privilege.
D. Include an URL scheme Cordova plugin to respond to the event on each platform.
正解：A

質問 4：
You are investigating a mobile application that uses SOAP web services that invoke queries on a database to get the data to the mobile UI. The customer complains about the application being too slow.
Which of the following changes would not improve the performance of the application?
A. Reduce the number of fields returned from the service so that only the needed fields are returned.
B. Add a layer that fetches the data on the middle tier into a Java class and then expose that class asa SOAP service.
C. Switch the services from SOAP protocol to REST protocol.
D. Introduce middle-tier data caching for data that does not change frequently.
正解：D

質問 5：
The content of a collection, exposed by JavaBean data control, is changed programmatically by adding a new object to the collection through Java in response to a command button action.
Which event do you need to raise at the end of the Java call to ensure that the user interface is refreshed to display the changes applied from Java?
A. oracle.adfmf.java.beans.ProviderChangeSupport providerChangeSupport =...
...
providerChangeSupport.fireProviderCreate("arrayName", newObjectId,newObject);
B. There is no need to raise an event from Java because the framework will automatically take
care of propagatingthe change to the UI.
C. oracle.adfmf.java.beans.PropertyChangeSupport propertyChangeSupport =...
...
propertyChangeSupport.firePropertyChange("arrayName", oldValue, newValue);
D. oracle.adfmf.framework.api.AdfmfJavaUtilities.flushDataChangeEvent();
正解：C

質問 6：
What are two uses of MAF fragments?
A. They allow you to embed bounded task flows as regions in your AMX pages.
B. They allow you to inject remote web pages into your AMX page similar to an iFrame.
C. They are used by theamx:panelPagecomponent to provide standard locations for UI developers to drop child components in the page header, footer, and primary or secondary menu bar actions.
D. They can be used to standardize the layout of multiple AMX pages in your application.
E. They can be used to standardize the layout of portions of your AMX pages in your application.
正解：C,E

質問 7：
Which two approaches are encompassed by service mediation?
A. rapid prototyping of service interfaces
B. rapid deployment of services into the cloud
C. loosely coupling service consumers with enterprise systems
D. the ability to provide additional information by aggregating data from multiple enterprise systems
正解：A,D