Download Java EE 7 Application Developer.examlabs.1z0-900.2020-05-12.1e.78q.vcex


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Exam Java EE 7 Application Developer
Number 1z0-900
File Name Java EE 7 Application Developer.examlabs.1z0-900.2020-05-12.1e.78q.vcex
Size 281 Kb
Posted May 12, 2020
Downloads 18



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Demo Questions

Question 1
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



Question 2
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.



Question 3
Given the code fragment:

  

Which method should be used on line 3 to enable default validation mechanism? 


  • A: u.setProperty(String, Object)
  • B: u.setProperty(Schema)
  • C: u.setEventHandler(ValidationEventHandler)
  • D: u.setAdapter(XmlAdapter)



Question 4
Given:

  

How often does the submitted task run?

  • A: need more details to determine
  • B: once
  • C: as many times as you like
  • D: based on a schedule



Question 5
Given:

  

What code needs to be added to line 1 for MyMapper bean instances to be correctly passivated? 

  • A: @Stateless @PassivationCapable
  • B: @Stateless
  • C: @Stateful @PassivationCapable
  • D: @Stateful



Question 6
Which URL represents an invalid approach to pass a parameter to a REST resource? 


  • A: <base-url>/Employees?value=1
  • B: <base-url>/Employees&value=1
  • C: <base-url>/Employees/1
  • D: <base-url>/Employees;value=1



Question 7
Given:

  

If an exception is thrown inside the if block, what effect will it have on the transaction?

  • A: The transaction will be committed.
  • B: The transaction will be suspended.
  • C: The transaction will be rolled back.



Question 8
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?

  • A: Set the immediate=“true” attribute on the command button that was used to perform this call.
  • B: Invoke the dispatch() method on the ExternalContext object.
  • C: Invoke the setCurrentPhaseId(RENDER_RESPONSE) method on the FacesContext object.
  • D: Invoke the responseComplete() method on the FacesContext object. 



Question 9
Given the code fragment:

  

When the context root is requested http://host:port/context, how does the container resolve this mapping?

  • A: thirdServlet handles the request.
  • B: firstServlet handles the request.
  • C: The container throws an error at startup.
  • D: secondServlet handles the request.



Question 10
Given the code fragment:

  

How can you apply DateConverter to the birthday field?

  • A: by adding @Convert(to=Date.class) at line 3
  • B: by invoking the setConverter(DateConverter.class) method on the EntityManager object
  • C: by adding @Converter(autoApply=true) at line 1
  • D: by adding @Convert((DateConverter.class)) at line 2








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