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Oracle Java Enterprise Edition 5 Web Component Developer Certified Professional Sample Questions:
1. You have built a web application that you license to small businesses. The webapp uses a context parameter, called licenseExtension, which enables certain advanced features based on your client's license package. When a client pays for a specific service, you provide them with a license extension key that they insert into the <context-param> of the deployment descriptor. Not every client will have this context parameter so you need to create a context listener to set up a default value in the licenseExtension parameter. Which code snippet will accomplish this goal?
A) String ext = context.getParameter('licenseExtension');
if ( ext == null ) {
context.setParameter('licenseExtension', DEFAULT);
}
B) String ext = context.getAttribute('licenseExtension');
if ( ext == null ) {
context.setAttribute('licenseExtension', DEFAULT);
}
C) String ext = context.getInitParameter('licenseExtension');
if ( ext == null ) {
context.resetInitParameter('licenseExtension', DEFAULT);
}
D) String ext = context.getInitParameter('licenseExtension');
if ( ext == null ) { context.setInitParameter('licenseExtension', DEFAULT); }
E) You cannot do this because context parameters CANNOT be altered programmatically.
2. Which two directives are applicable only to tag files? (Choose two.)
A) variable
B) page
C) include
D) tag
E) taglib
3. Given the JSP code:
10.<html>
11.<body>
12.<jsp:useBean id='customer' class='com.example.Customer' />
13.Hello, ${customer.title} ${customer.lastName}, welcome
14.to Squeaky Beans, Inc.
15.</body>
16.</html>
Which three types of JSP code are used? (Choose three.)
A) template text
B) Java code
C) standard action
D) scripting code
E) expression language
4. To take advantage of the capabilities of modern browsers that use web standards, such as XHTML and CSS, your web application is being converted from simple JSP pages to JSP Document format. However, one of your JSPs, /scripts/screenFunctions.jsp, generates a JavaScript file. This file is included in several web forms to create screen-specific validation functions and are included in these pages with the following statement:
10.<head>
11.<script src='/scripts/screenFunctions.jsp'
12.language='javascript'
13.type='application/javascript'> </script>
14.</head>
15.<!-- body of the web form -->
Which JSP code snippet declares that this JSP Document is a JavaScript file?
A) <%@ page contentType='application/javascript' %>
B) No declaration is needed because the web form XHTML page already declares the MIME type of the /scripts/screenFunctions.jsp file in the <script> tag.
C) <jsp:page contentType='application/javascript' />
D) <jsp:document contentType='application/javascript' />
E) <jsp:directive.page contentType='application/javascript' />
5. 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-form-tags.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 a subdirectory of WEB-INF directory of the JAR file.
C) The TLD must be located within a subdirectory of META-INF/tld/ directory of the JAR file.
D) The TLD must be located within the META-INF/tld/ 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 the META-INF directory of the JAR file.
Solutions:
| Question # 1 Answer: E | Question # 2 Answer: A,D | Question # 3 Answer: A,C,E | Question # 4 Answer: E | Question # 5 Answer: E,F |
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