Oracle Oracle Certifications 1Z0-858 Questions & Answers

• Question 21:

  Given tutorial.jsp:

  2.

  EL Tutorial

  3.

  Example 1

  4.

  5.

  Dear ${my:nickname(user)}

  6.

  Which, when added to the web application deployment descriptor, ensures that line 5 is included verbatim in the JSP output?

  A. *.jsptrue

  B. *.jsptrue

  C. *.jsp

  D. *.jsptrue

  E. *.jsptrue

  Correct Answer: D

• Question 22:

  Which two are true about the JSTL core iteration custom tags? (Choose two.)

  A. It may iterate over arrays, collections, maps, and strings.

  B. The body of the tag may contain EL code, but not scripting code.

  C. When looping over collections, a loop status object may be used in the tag body.

  D. It may iterate over a map, but only the key of the mapping may be used in the tag body.

  E. When looping over integers (for example begin='1' end='10'), a loop status object may not be used in the tag body.

  Correct Answer: AC

• Question 23:

  Which two are valid and equivalent? (Choose two.)

  A. <%! int i; %>

  B. <%= int i; %>

  C. int i;

  D. int i;

  E. int i;

  Correct Answer: AE

• Question 24:

  The JSP developer wants a comment to be visible in the final output to the browser. Which comment style needs to be used in a JSP page?

  A.

  B. <% // this is a comment %>

  C. <%-- this is a comment --%>

  D. <% /** this is a comment **/ %>

  Correct Answer: A

• Question 25:

  You need to store a Java long primitive attribute, called customerOID, into the session scope. Which two code snippets allow you to insert this value into the session? (Choose two.)

  A. long customerOID = 47L;session.setAttribute("customerOID", new Long(customerOID));

  B. long customerOID = 47L;session.setLongAttribute("customerOID", new Long(customerOID));

  C. long customerOID = 47L;session.setAttribute("customerOID", customerOID);

  D. long customerOID = 47L;session.setNumericAttribute("customerOID", new Long(customerOID));

  E. long customerOID = 47L;session.setLongAttribute("customerOID", customerOID);

  F. long customerOID = 47L;session.setNumericAttribute("customerOID", customerOID);

  Correct Answer: AC

• Question 26:

  Click the Exhibit button.

  Assuming the tag library in the exhibit is imported with the prefix forum, which custom tag invocation produces a translation error in a JSP page?

  

  A.

  B. My message body.

  C. ${param.body}

  D. <%= request.getParameter( "body" ) %>

  E. ">My message body.

  Correct Answer: D

• Question 27:

  Given in a single JSP page:

  <%@ taglib prefix='java' uri='myTags' %> <%@ taglib prefix='JAVA' uri='moreTags' %>

  Which two are true? (Choose two.)

  A. The prefix 'java' is reserved.

  B. The URI 'myTags' must be properly mapped to a TLD file by the web container.

  C. A translation error occurs because the prefix is considered identical by the web container.

  D. For the tag usage , the tag1 must be unique in the union of tag names in 'myTags' and 'moreTags'.

  Correct Answer: AB

• Question 28:

  In a JSP-centric shopping cart application, you need to move a client's home address of the Customer object into the shipping address of the Order object. The address data is stored in a value object class called Address with properties for: street address, city, province, country, and postal code. Which two JSP code snippets can be used to accomplish this goal? (Choose two.)

  A.

  B.

  C.

  D.

  E.

  F.

  Correct Answer: BE

• Question 29:

  Given that a scoped attribute cart exists only in a user's session, which two, taken independently, ensure the scoped attribute cart no longer exists? (Choose two.)

  A. ${cart = null}

  B.

  C.

  D.

  E. cart

  F.

  G. ${cart}

  Correct Answer: BD

• Question 30:

  In which three directories, relative to a web application's root, may a tag library descriptor file reside when deployed directly into a web application? (Choose three.)

  A. /WEB-INF

  B. /META-INF

  C. /WEB-INF/tlds

  D. /META-INF/tlds

  E. /WEB-INF/resources

  F. /META-INF/resources

  Correct Answer: ACE