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Oracle Java Enterprise Edition 5 Web Component Developer Certified Professional Sample Questions:
1. A developer is designing a multi-tier web application and discovers a need to log each incoming client request. Which two patterns, taken independently, provide a solution for this problem? (Choose two.)
A) Service Locator
B) Transfer Object
C) Front Controller
D) Model-View-Controller
E) Intercepting Filter
F) Business Delegate
2. If you want to use the Java EE platform's built-in type of authentication that uses a custom HTML page for authentication, which two statements are true? (Choose two.)
A) Your deployment descriptor will need to contain this tag: <auth-method>CUSTOM</auth-method>.
B) When you use this type of authentication, SSL is turned on automatically.
C) The related custom HTML login page must be named loginPage.html.
D) You must have a tag in your deployment descriptor that allows you to point to both a login HTML page and an HTML page for handling any login errors.
E) In the HTML related to authentication for this application, you must use predefined variable names for the variables that store the user and password values.
3. Your web application views all have the same header, which includes the <title> tag in the <head> element of the rendered HTML. You have decided to remove this redundant HTML code from your JSPs and put it into a single JSP called /WEB-INF/jsp/header.jsp. However, the title of each page is unique, so you have decided to use a variable called pageTitle to parameterize this in the header JSP, like this: 10. <title>${param.pageTitle}<title>
Which JSP code snippet should you use in your main view JSPs to insert the header and pass the pageTitle variable?
A) <jsp:include page='/WEB-INF/jsp/header.jsp'>
${pageTitle='Welcome Page'}
</jsp:include>
B) <jsp:insert page='/WEB-INF/jsp/header.jsp'>
${pageTitle='Welcome Page'}
</jsp:insert>
C) <jsp:include file='/WEB-INF/jsp/header.jsp'>
${pageTitle='Welcome Page'}
</jsp:include>
D) <jsp:include page='/WEB-INF/jsp/header.jsp'>
<jsp:param name='pageTitle' value='Welcome Page' />
</jsp:include>
E) <jsp:insert page='/WEB-INF/jsp/header.jsp'>
<jsp:param name='pageTitle' value='Welcome Page' />
</jsp:insert>
4. A web application allows the HTML title banner to be set using a servlet context initialization parameter called titleStr. Which two properly set the title in this scenario? (Choose two.)
A) <title>${paramValues.titleStr}</title>
B) <title>${initParam['titleStr']}</title>
C) <title>${request.get("titleStr")}</title>
D) <title>${params[0].titleStr}</title>
E) <title>${servletParams.titleStr}</title>
F) <title>${initParam.titleStr}</title>
G) <title>${titleStr}</title>
5. Which two are characteristics of the Service Locator pattern? (Choose two.)
A) It degrades network performance due to increased access to distributed lookup services.
B) It improves client performance by caching context and factory objects.
C) It increases source code duplication and decreases reuse.
D) It encapsulates component lookup procedures.
Solutions:
| Question # 1 Answer: C,E | Question # 2 Answer: D,E | Question # 3 Answer: D | Question # 4 Answer: B,F | Question # 5 Answer: B,D |
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