Oracle Oracle Certifications 1Z0-858 Questions & Answers

• Question 201:

  A session-scoped attribute is stored by a servlet, and then that servlet forwards to a JSP page. Which three jsp:useBean attributes must be used to access this attribute in the JSP page? (Choose three.)

  A. id

  B. name

  C. bean

  D. type

  E. scope

  F. beanName

  Correct Answer: ADE

• Question 202:

  You need to create a JavaBean object that is used only within the current JSP page. It must NOT be accessible to any other page including those that this page might import. Which JSP standard action can accomplish this goal?

  A.

  B.

  C.

  D.

  E.

  F.

  Correct Answer: B

• Question 203:

  Given an HttpServletRequest request and HttpServletResponse response, which sets a cookie "username" with the value "joe" in a servlet?

  A. request.addCookie("username", "joe")

  B. request.setCookie("username", "joe")

  C. response.addCookie("username", "joe")

  D. request.addHeader(new Cookie("username", "joe"))

  E. request.addCookie(new Cookie("username", "joe"))

  F. response.addCookie(new Cookie("username", "joe"))

  G. response.addHeader(new Cookie("username", "joe"))

  Correct Answer: F

• Question 204:

  After a merger with another small business, your company has inherited a legacy WAR file but the original source files were lost. After reading the documentation of that web application, you discover that the WAR file contains a useful tag library that you want to reuse in your own webapp packaged as a WAR file.

  What do you need to do to reuse this tag library?

  A. Simply rename the legacy WAR file as a JAR file and place it in your webapp's library directory.

  B. Unpack the legacy WAR file, move the TLD file to the META-INF directory, repackage the whole thing as a JAR file, and place that JAR file in your webapp's library directory.

  C. Unpack the legacy WAR file, move the TLD file to the META-INF directory, move the class files to the top-level directory, repackage the whole thing as a JAR file, and place that JAR file in your webapp's library directory.

  D. Unpack the legacy WAR file, move the TLD file to the META-INF directory, move the class files to the top-level directory, repackage the WAR, and place that WAR file in your webapp's WEB-INF directory.

  Correct Answer: C

• Question 205:

  Which two actions protect a resource file from direct HTTP access within a web application? (Choose two.)

  A. placing it in the /secure directory

  B. placing it in the /WEB-INF directory

  C. placing it in the /META-INF/secure directory

  D. creating a element within the deployment descriptor

  E. creating a element within the deployment descriptor

  Correct Answer: BC

• Question 206:

  Given that www.example.com/SCWCDtestApp is a validly deployed Java EE web application and that all of the JSP files specified in the requests below exist in the locations specified. Which two requests, issued from a browser, will return an HTTP 404 error? (Choose two.)

  A. http://www.example.com/SCWCDtestApp/test.jsp

  B. http://www.example.com/SCWCDtestApp/WEB-INF/test.jsp

  C. http://www.example.com/SCWCDtestApp/WEB-WAR/test.jsp

  D. http://www.example.com/SCWCDtestApp/Customer/test.jsp

  E. http://www.example.com/SCWCDtestApp/META-INF/test.jsp

  F. http://www.example.com/SCWCDtestApp/Customer/Update/test.jsp

  Correct Answer: BE

• Question 207:

  Which two about WAR files are true? (Choose two.)

  A. WAR files must be located in the web application library directory.

  B. WAR files must contain the web application deployment descriptor.

  C. WAR files must be created by using archive tools designed specifically for that purpose.

  D. The web container must serve the content of any META-INF directory located in a WAR file.

  E. The web container must allow access to resources in JARs in the web application library directory.

  Correct Answer: BE

• Question 208:

  Given this fragment from a Java EE deployment descriptor:

  124.

  beta.html

  125.

  alpha.html

  And this request from a browser:

  http://www.sun.com/SCWCDtestApp/register

  Which statement is correct, when the container receives this request?

  A. This deployment descriptor is NOT valid.

  B. The container first looks in the register directory for beta.html.

  C. The container first looks in the register directory for alpha.html.

  D. The container first looks for a servlet mapping in the deployment descriptor.

  Correct Answer: D

• Question 209:

  Which EL expression evaluates to the request URI?

  A. ${requestURI}

  B. ${request.URI}

  C. ${request.getURI}

  D. ${request.requestURI}

  E. ${requestScope.requestURI}

  F. ${pageContext.request.requestURI}

  G. ${requestScope.request.requestURI}

  Correct Answer: F

• Question 210:

  Given:

  1.

  <% int[] nums = {42,420,4200};

  2.

  request.setAttribute("foo", nums); %>

  3.

  ${5 + 3 lt 6}

  4.

  ${requestScope['foo'][0] ne 10 div 0}

  5.

  ${10 div 0}

  What is the result?

  A. true true

  B. false true

  C. false true 0

  D. true true Infinity

  E. false true Infinity

  F. An exception is thrown.

  G. Compilation or translation fails.

  Correct Answer: E