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Guide for Oracle Java EE 7 Application Developer

Quiz Oracle Java EE 7 Application Developer

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/ 10

Quiz

1/10
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?
Select the answer
1 correct answer
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
endpoint.

Quiz

2/10
Which two capabilities are provided by the Java Authentication and Authorization Services (JAAS)
API? (Choose two.)
Select the answer
2 correct answers
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

Quiz

3/10
Which interface should you implement if you want to be alerted to the lifecycle events surrounding
your task being executed by a ManagedExecutorService?
Select the answer
1 correct answer
A.
the Runnable Interface
B.
the ManagedExecutorTask interface
C.
the TaskEventListener interface
D.
the ManagedTaskListener interface

Quiz

4/10
Given the code fragment:




Certification Exam Oracle Java EE 7 Application Developer Oracle Oracle-1Z0-900 2-4182555702



Which URL triggers the invocation of the getEmployee () method?
Select the answer
1 correct answer
A.
<base url>/Employees/89724
B.
<base url>/Employees/J6349
C.
<base url>/Employees/id:a7280
D.
<base url>/Employees/id/J6349

Quiz

5/10
What is true about Message-Driven Beans (MDBs)?
Select the answer
1 correct answer
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.

Quiz

6/10
You have been asked to implement internationalization in your JSF web application.
Where do you configure the supported locales?
Select the answer
1 correct answer
A.
in the <f:view> tag of the Facelet page
B.
in the web.xml file
C.
in the faces-config.xml file
D.
in the src folder

Quiz

7/10
Given the code fragment:








Certification Exam Oracle Java EE 7 Application Developer Oracle Oracle-1Z0-900 3-3455742849






Which code can be added to register both of these methods to receive BankEvent notifications only if
an instance of BankActivityService is already instantiated in the current context?
Select the answer
1 correct answer
A.
@Observes(notifyObserver=IF_EXISTS) on line 3 and line 6
B.
@Observes(during=IN_PROGRESS) on line 1
C.
@Observes(during=AFTER_COMPLETION) on line 1
D.
@Observes(notifyObserver=IF_EXISTS) on line 4 and line 7 before method parameter declaration

Quiz

8/10
Which code snippet prints the exception error message as part of the page output?
Select the answer
1 correct answer
A.
<%= exception.message %>
B.
<c:out value=”${requestScope[‘javax.servlet.error.exception’]}”/>
C.
<% exception.getMessage(); %>
D.
<% System.out.println(e.getMessage()) %>

Quiz

9/10
Java EE’s support for WS-Security includes handling which two types of security credentials? (Choose
two.)
Select the answer
2 correct answers
A.
X.509 certificates
B.
SAML tokens
C.
OAuth Bearer tokens
D.
Two-factor authentication tokens

Quiz

10/10
Given the code fragment from a Facelet page:




Certification Exam Oracle Java EE 7 Application Developer Oracle Oracle-1Z0-900 4-520192977



On Line 1, you ae asked to insert a search box that displays the text “Search Here” via a placeholder.
Assume searchMB is a valid Managed Bean.
Which two options enable you to create a search box with a placeholder attribute on Line 1? (Choose
two.)
Select the answer
2 correct answers
A.
<h:inputText value=“#(searchMB.query)”><f:param name=“placeholder” value=“Search
Here”/></h:inputText>
B.
<h:inputText value=“#(searchMB.query)” placeholder=“Search here”/>
C.
<input jsf:id=“search” placeholder=“Search here” jsf:value=“# (searchMB.query)”></input>
D.
<h:inputText pt:placeholder=“Search Here” value=“#(searchMB.query)”/>
E.
<input id=“search” jsf:placeholder=“Search Here” value=“$(searchMB.query)”></input>
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  • Quiz name:Oracle Java EE 7 Application Developer
  • Total number of questions:142
  • Number of questions for the test:50
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