Download Java EE 7 Application Developer.1z0-900.TestKing.2018-08-13.41q.vcex

Vendor: Oracle
Exam Code: 1z0-900
Exam Name: Java EE 7 Application Developer
Date: Aug 13, 2018
File Size: 2 MB
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Demo Questions

Question 1
Which code snippet prints the exception error message as part of the page output?
  1. <%= exception.message %>
  2. <c:out value=”${requestScope[‘javax.servlet.error.exception’]}”/>
  3. <% exception.getMessage(); %>
  4. <% System.out.println(e.getMessage()) %>
Correct answer: D
Explanation:
Reference: https://www.geeksforgeeks.org/3-different-ways-print-exception-messages-java/
Reference: https://www.geeksforgeeks.org/3-different-ways-print-exception-messages-java/
Question 2
Java EE’s support for WS-Security includes handling which two types of security credentials? (Choose two.)
  1. X.509 certificates
  2. SAML tokens
  3. OAuth Bearer tokens
  4. Two-factor authentication tokens
Correct answer: AB
Question 3
Given the code fragment from a Facelet page:
   
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.) 
  1. <h:inputText value=“#(searchMB.query)”><f:param name=“placeholder” value=“Search Here”/></h:inputText>
  2. <h:inputText value=“#(searchMB.query)” placeholder=“Search here”/>
  3. <input jsf:id=“search” placeholder=“Search here” jsf:value=“# (searchMB.query)”></input>
  4. <h:inputText pt:placeholder=“Search Here” value=“#(searchMB.query)”/>
  5. <input id=“search” jsf:placeholder=“Search Here” value=“$(searchMB.query)”></input>
Correct answer: CE
Question 4
Given the code fragment:
  
 
Which method should be used on line 3 to enable default validation mechanism? 
  1. u.setProperty(String, Object)
  2. u.setProperty(Schema)
  3. u.setEventHandler(ValidationEventHandler)
  4. u.setAdapter(XmlAdapter)
Correct answer: D
Explanation:
Reference: https://docs.oracle.com/javaee/6/api/javax/xml/bind/Unmarshaller.html
Reference: https://docs.oracle.com/javaee/6/api/javax/xml/bind/Unmarshaller.html
Question 5
How do you specify a default error page in your web.xml file? 
  1. <on-error>
    <location>/general-error.html<location>
    </on-error>
  2. <error-page>
    <error-code>*</error-code>
    <location>/general-error.html</location>
    </error-page>
  3. <on-error>
    <error-code>*</error-code>
    <location>/general-error.html</location>
    </on-error>
  4. <error-page>
    <location>/general-error.html</location>
    </error-page>
Correct answer: B
Explanation:
Reference: http://www.codejava.net/java-ee/servlet/how-to-handle-error-in-web-xml-for-java-web-applications
Reference: http://www.codejava.net/java-ee/servlet/how-to-handle-error-in-web-xml-for-java-web-applications
Question 6
Given the code fragment:
   
And 
   
Which two steps, when performed independently, enable the index.xhtml page to print the following text: The Id is 12345? (Choose two.)
  1. Replace line 2 with: @Inject public void setAcc(Account acc)
  2. Replace line 3 with: @Inject public Account getAcc()
  3. Replace line 1 with: @Inject private Account acc;
  4. Replace line 3 with: public @Inject Account getAcc()
  5. Replace line 1 with: private @Inject Account acc;
  6. Replace line 2 with: public void setAcc(@Inject Account acc)
Correct answer: DF
Question 7
Given:
  
 
How often does the submitted task run?
  1. need more details to determine
  2. once
  3. as many times as you like
  4. based on a schedule
Correct answer: A
Question 8
Given:
   
What code needs to be added to line 1 for MyMapper bean instances to be correctly passivated? 
  1. @Stateless @PassivationCapable
  2. @Stateless
  3. @Stateful @PassivationCapable
  4. @Stateful
Correct answer: D
Explanation:
Reference: https://docs.oracle.com/javaee/6/tutorial/doc/giplj.html#gipln
Reference: https://docs.oracle.com/javaee/6/tutorial/doc/giplj.html#gipln
Question 9
Which URL represents an invalid approach to pass a parameter to a REST resource? 
  1. <base-url>/Employees?value=1
  2. <base-url>/Employees&value=1
  3. <base-url>/Employees/1
  4. <base-url>/Employees;value=1
Correct answer: D
Question 10
Given:
   
If an exception is thrown inside the if block, what effect will it have on the transaction?
  1. The transaction will be committed.
  2. The transaction will be suspended.
  3. The transaction will be rolled back.
Correct answer: C
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