Oracle Oracle Certifications 1Z0-858 Questions & Answers

• Question 121:

  Which basic authentication type is optional for a J2EE 1.4 compliant web container?

  A. HTTP Basic Authentication

  B. Form Based Authentication

  C. HTTP Digest Authentication

  D. HTTPS Client Authentication

  Correct Answer: C

• Question 122:

  Which security mechanism uses the concept of a realm?

  A. authorization

  B. data integrity

  C. confidentiality

  D. authentication

  Correct Answer: D

• Question 123:

  Which two security mechanisms can be directed through a sub-element of the element in a web application deployment descriptor? (Choose two.)

  A. authorization

  B. data integrity

  C. confidentiality

  D. authentication

  Correct Answer: BC

• Question 124:

  You are developing several tag libraries that will be sold for development of third-party web applications. You are about to publish the first three libraries as JAR files: container-tags.jar, advanced- html-form- tags.jar, and basic-html-formtags.jar. Which two techniques are appropriate for packaging the TLD files for these tag libraries? (Choose two.)

  A. The TLD must be located within the WEB-INF directory of the JAR file.

  B. The TLD must be located within the META-INF directory of the JAR file.

  C. The TLD must be located within the META-INF/tld/ directory of the JAR file.

  D. The TLD must be located within a subdirectory of WEB-INF directory of the JAR file.

  E. The TLD must be located within a subdirectory of META-INF directory of the JAR file.

  F. The TLD must be located within a subdirectory of META-INF/tld/ directory of the JAR file.

  Correct Answer: BE

• Question 125:

  You need to create a JSP that generates some JavaScript code to populate an array of strings used on the client-side. Which JSP code snippet will create this array?

  A. MY_ARRAY = new Array();<% for ( int i = 0; i < serverArray.length; i++ ) {MY_ARRAY[<%= i %>] = '<% = serverArray[i] %>';} %>

  B. MY_ARRAY = new Array();<% for ( int i = 0; i < serverArray.length; i++ ) {MY_ARRAY[${i}] = '${serverArray[i]}';} %>

  C. MY_ARRAY = new Array();<% for ( int i = 0; i < serverArray.length; i++ ) { %>MY_ARRAY[< %= i %>] = '<%= serverArray[i] %>';<% } %>

  D. MY_ARRAY = new Array();<% for ( int i = 0; i < serverArray.length; i++ ) { %>MY_ARRAY[$ {i}] = '${serverArray[i]}';<% } %>

  Correct Answer: C

• Question 126:

  Your web application requires the ability to load and remove web files dynamically to the web container's file system. Which two HTTP methods are used to perform these actions? (Choose two.)

  A. PUT

  B. POST

  C. SEND

  D. DELETE

  E. REMOVE

  F. DESTROY

  Correct Answer: AD

• Question 127:

  Every page of your web site must include a common set of navigation menus at the top of the page. This menu is static HTML and changes frequently, so you have decided to use JSP's static import mechanism. Which JSP code snippet accomplishes this goal?

  A. <%@ import file='/common/menu.html' %>

  B. <%@ page import='/common/menu.html' %>

  C. <%@ import page='/common/menu.html' %>

  D. <%@ include file='/common/menu.html' %>

  E. <%@ page include='/common/menu.html' %>

  F. <%@ include page='/common/menu.html' %>

  Correct Answer: D

• Question 128:

  For manageability purposes, you have been told to add a "count" instance variable to a critical JSP Document so that a JMX MBean can track how frequent this JSP is being invoked. Which JSP code snippet must you use to declare this instance variable in the JSP Document?

  A. int count = 0;

  B. <%! int count = 0; %>

  C. int count = 0;

  D. int count = 0;

  Correct Answer: A

• Question 129:

  You have a new IT manager that has mandated that all JSPs must be refactored to include no scritplet code. The IT manager has asked you to enforce this. Which deployment descriptor element will satisfy this constraint?

  A. *.jspfalse

  B. *.jspfalse

  C. *.jsptrue

  D. *.jsptrue

  Correct Answer: D

• Question 130:

  For an HttpServletResponse response, which two create a custom header? (Choose two.)

  A. response.setHeader("X-MyHeader", "34");

  B. response.addHeader("X-MyHeader", "34");

  C. response.setHeader(new HttpHeader("X-MyHeader", "34"));

  D. response.addHeader(new HttpHeader("X-MyHeader", "34"));

  E. response.addHeader(new ServletHeader("X-MyHeader", "34"));

  F. response.setHeader(new ServletHeader("X-MyHeader", "34"));

  Correct Answer: AB