Oracle 1Z0-899 Online Practice Questions and Exam Preparation

Oracle 1Z0-899 Online Questions & Answers

• Question 1:

  Given:

  

  Which three EL expressions, inserted at line 16, are valid and evaluate to "d"? (Choose three)

  A. ${map.c}
  B. ${map.[c]}
  C. ${map.["c"]}
  D. ${map.map.b}
  E. ${map.[map.b]}
  F. ${map. (map.b)}
  A. ${map.c}
  C. ${map.["c"]}
  E. ${map.[map.b]}

• Question 2:

  You are building a dating web site. The client's date of birth is collected along with lots of other information. The Person class has a derived method, getAge() :int, which returns the person's age calculated from the date of birth and today's date. In one of your JSPs you need to print a special message to clients within the age group of 25 through 35.

  Which two EL code snippets will return true for this condition? (Choose two.)

  A. ${client.age in [25,35]}
  B. ${client.age between [25,35]}
  C. ${client.age between 25,35}
  D. ${client.age = 25}
  E. ${client.age le 35 and client.age ge 25}
  F. ${client.age > 35 andand client.age < 25}
  D. ${client.age = 25}
  E. ${client.age le 35 and client.age ge 25}

• Question 3:

  Given the definition of Myobject and that an instance of Myobject is bound as a session attribute:

  8.

  package com.example;

  9.

  public class Myobject implements

  10.

  javax.servlet.http.HttpSessionBindingListener {

  11.

  // class body code here

  12.

  }

  Which is true?

  A. Only a single instance of Myobject may exist within a session
  B. The unbound method of the Myobject instance is called when the session to which it is bound times out
  C. The com.example.MyObject must be declared as a servlet event listener in the web application deployment descriptor
  D. The valueUnbound method of the Myobject instance is called when the session to which it is bound times out
  D. The valueUnbound method of the Myobject instance is called when the session to which it is bound times out

• Question 4:

  View the Exhibit.

  

  Given the web application deployment descriptor elements:

  11.

  12.

  ParamAdder

  13.

  com.example.ParamAdder

  14.

  ...

  31.

  32.

  ParamAdder

  33.

  Destination

  34.

  ...

  55.

  56.

  Destination

  57.

  /dest/Destination

  58.

  What is the result of a client request of the Source servlet with no query string?

  A. The output "filterAdded = null" is written to the response stream.
  B. The output "filterAdded = addedByFilter" is written to the response stream.
  C. An exception is thrown at runtime within the service method of the Source servlet.
  D. An exception is thrown at runtime within the service method of the Destination servlet.
  A. The output "filterAdded = null" is written to the response stream.

• Question 5:

  All of your JSPs need to have a link that permits users to email the web master. This web application is licensed to many small businesses, each of which have a different email address for the web master. You have decided to use a context parameter that you specify in the deployment descriptor, like this:

  42.

  43.

  webmasterEmail

  44.

  [email protected]

  45.

  Which JSP code snippet creates this email link?

  D

• Question 6:

  The Squeaky Beans Inc. shopping application was initially developed for a non-distributed environment. The company recently purchased the Acme Application Server, which supports distributed Httpsession objects. When deploying the application to the server, the doployer marks it as distributable in the web application deployment descriptor to take advantage of this feature. Given this scenario, which two must be true? (Choose two)

  A. The J2EE web container must support migration of objects that implement serializable.
  B. The J2EE web container must use the native JVM Serialization mechanism for distributing HttpSesaion objects.
  C. As per the specification, the J2EE web container ensures that distributed Httpsassion objects will be stored in a database.
  D. Storing references to Enterprise JavaBeans components in the HttpSession object might NOT supported by J2EE web contain.
  A. The J2EE web container must support migration of objects that implement serializable.
  D. Storing references to Enterprise JavaBeans components in the HttpSession object might NOT supported by J2EE web contain.

• Question 7:

  A web application allows the HTML title banner to be set using a context initialization parameter called titlestr.

  Which two properly set the title in the scenario? (Choose two)

  A. $ {titlestr}
  B. $ {initparam.titlestr}
  C. $ {param [0]. titlestr}
  D. $ {paramValues.titleStr}
  E. $ {initParam [`titleStr'] }
  F. $ {servletParams.titleStr}
  G. $ {request.get ("titleStr") }
  B. $ {initparam.titlestr}
  E. $ {initParam [`titleStr'] }

• Question 8:

  ServletRegistration.Dynamic can be used to configure (Choose two)

  A. Filter mappings
  B. add init params
  C. set asyncSupported to true
  D. add Listeners
  A. Filter mappings
  B. add init params

  ---

  Reference: http://www.softwareengineeringsolutions.com/blogs/2010/08/01/ (3rd paragraph)

• Question 9:

  Which annotation enables a servlet to efficiently process requests of typo multipart/form-data that involve large files being uploaded by the client?

  A. @AcceptMultipart
  B. @MultiPartConfig
  C. @MultiPartFormData
  D. @WebServlet (multipart = true)
  B. @MultiPartConfig

  ---

  Reference: http://www.scribd.com/ilinchen2008/d/38764279-Servlet3-0-Specs (page 22, last paragraph)

• Question 10:

  A servlet wishes to indicate that it is unable to initialize at the present time, but that the initialization might succeed at some future time. Which is true?

  A. This cannot be expressed. A servlet either initializes correctly or fails.
  B. This expression is not necessary. If a servlet fails to initialize, the container will try again later each time a request is received that attempts to invoke that servlet.
  C. The servlet should delay until it is ready to complete initialization successfully.
  D. The servlet should throw an UnavailableException
  E. The servlet should throw a servletException
  E. The servlet should throw a servletException