Download Java EE 7 Application Developer.1z0-900.PracticeTest.2018-09-10.38q.vcex

Vendor: Oracle
Exam Code: 1z0-900
Exam Name: Java EE 7 Application Developer
Date: Sep 10, 2018
File Size: 2 MB
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Demo Questions

Question 1
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 2
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 3
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 4
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 5
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
Question 6
Given the code fragments:
  
What code should you add to the body of the updateEmployee method in order to save pending changes to the database? 
  1. entityManager.merge(emp);
  2. Context. Ctx = new InitialContext();
    UserTransaction utx = (UserTransaction)ctx.lookup(“java:comp/UserTransaction”);
    utx.begin();
    entityManager.merge(emp);
    utx.commit();
  3. entityManager.lock(emp);
    EntityManager.merge(emp);
  4. entityManager.getTransaction().begin();
    entityManager.merge(emp);
    entityManager.getTransaction().commit();
Correct answer: B
Question 7
When handling a JSF request, your application code decided to redirect the call to another URL by using HTTP redirect. Which action should you take to correctly complete the handling of the JSF life cycle?
  1. Set the immediate=“true” attribute on the command button that was used to perform this call.
  2. Invoke the dispatch() method on the ExternalContext object.
  3. Invoke the setCurrentPhaseId(RENDER_RESPONSE) method on the FacesContext object.
  4. Invoke the responseComplete() method on the FacesContext object.
Correct answer: C
Question 8
Given the code fragment:
  
When the context root is requested http://host:port/context, how does the container resolve this mapping?
  1. thirdServlet handles the request.
  2. firstServlet handles the request.
  3. The container throws an error at startup.
  4. secondServlet handles the request.
Correct answer: C
Question 9
Given the code fragments:
  
Which action completes this composite primary key implementation?
  1. Add @IdClass annotation at line 1.
  2. Add @Embeddable annotation at line 1 and replace both @Id annotations with @EmbeddedId annotations.
  3. Add @IdClass(ContactId.class) annotation at line 2.
  4. Add @Embeddable annotation at line 1 and @EmbeddedId(ContactId.class) at line 2.
Correct answer: D
Question 10
Given the code fragment:
  
How can you apply DateConverter to the birthday field?
  1. by adding @Convert(to=Date.class) at line 3
  2. by invoking the setConverter(DateConverter.class) method on the EntityManager object
  3. by adding @Converter(autoApply=true) at line 1
  4. by adding @Convert((DateConverter.class)) at line 2
Correct answer: A
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