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Vendor Oracle Exam Code 1Z0-900 Full Exam Name Java EE 7 Application Developer Certification Name Oracle Java and Middleware Technology Application Developement
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You need to develop a chat application, which allows the display of emoticons and images together
with text messages.
How should you configure a WebSocket endpoints to receive both text and binary messages?
A. Create two @onMessage methods in the same endpoint with appropriate parameter types.
B. Define the @onMessage methods in your endpoint with Object as parameter and check the actual
type in your code.
C. You can achieve this only by creating separate WebSocket endpoints for each message type.
D. Create two @onMessage methods, each with appropriate decoder attribute in the same
Which two capabilities are provided by the Java Authentication and Authorization Services (JAAS)
API? (Choose two.)
A. protecting data from unauthorized viewing by using encryption
B. verifying that a user is allowed to perform an action
C. ensuring that data is not modified in transit
D. verifying identity claims from users
Which interface should you implement if you want to be alerted to the lifecycle events surrounding
your task being executed by a ManagedExecutorService?
A. the Runnable Interface
B. the ManagedExecutorTask interface
C. the TaskEventListener interface
D. the ManagedTaskListener interface
Given the code fragment:
Which URL triggers the invocation of the getEmployee () method?
What is true about Message-Driven Beans (MDBs)?
A. MDBs can participate in transactions.
B. MDBs are invoked synchronously.
C. Each MDBs can process messages only from a single client.
D. MDBs retain data caches between client calls.
You have been asked to implement internationalization in your JSF web application.
Where do you configure the supported locales?
A. in the tag of the Facelet page
B. in the web.xml file
C. in the faces-config.xml file
D. in the src folder
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