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SUN 310-083 Exam Syllabus Topics:

SUN Sun Certified Web Component Developer for J2EE 5 Sample Questions:

1. Given a web application in which the request parameter productID contains a product identifier. Which two EL expressions evaluate the value of the productID? (Choose two.)

A) ${productID}
B) ${pageContext.request.productID}
C) ${paramValues.productID}
D) ${param.productID}
E) ${params.productID}
F) ${params.productID[1]}
G) ${paramValues.productID[0]}

2. A developer is designing the presentation tier for a web application which requires a centralized request handling to complete common processing required by each request.
Which design pattern provides a solution to this problem?

A) Remote Proxy
B) Intercepting Filter
C) Business Delegate
D) Service Activator
E) Front Controller
F) Data Access Object

3. What is true about Java EE authentication mechanisms?

A) If you want your web application to support the widest possible array of browsers, and you want to perform authentication, the best choice of Java EE authentication mechanisms is DIGEST.
B) If your deployment descriptor correctly declares an authentication type of
CLIENT_CERT, your users must have a certificate from an official source before they can use your application.
C) If your deployment descriptor correctly declares an authentication type of BASIC, the container automatically requests a user name and password whenever a user starts a new session.
D) To use Java EE FORM authentication, you must declare two HTML files in your deployment descriptor, and you must use a predefined action in the HTML file that handles your user's login.

4. You are creating a JSP page to display a collection of data. This data can be displayed in several different ways so the architect on your project decided to create a generic servlet that generates a comma-delimited string so that various pages can render the data in different ways. This servlet takes on request parameter: objectID. Assume that this servlet is mapped to the URL pattern: /WEB-INF/data.
In the JSP you are creating, you need to split this string into its elements separated by commas and generate an HTML <ul> list from the data.
Which JSTL code snippet will accomplish this goal?

A) <c:import varReader='dataString' url='/WEB-INF/data'>
< c:param name='objectID' value='${currentOID}' />
< /c:import>
< ul>
< c:forTokens items'${dataString.split(",")}' var='item'>
< li>${item}</li>
< /c:forTokens>
< /ul>
B) <c:import var='dataString' url='/WEB-INF/data'>
< c:param name='objectID' value='${currentOID}' />
< /c:import>
< ul>
< c:forTokens items'${dataString.split(",")}' var='item'>
< li>${item}</li>
< /c:forTokens>
< /ul>
C) <c:import varReader='dataString' url='/WEB-INF/data'>
< c:param name='objectID' value='${currentOID}' />
< /c:import>
< ul>
< c:forTokens items'${dataString}' delims=',' var='item'>
< li>${item}</li>
< /c:forTokens>
< /ul>
D) <c:import var='dataString' url='/WEB-INF/data'>
< c:param name='objectID' value='${currentOID}' />
< /c:import>
< ul>
< c:forTokens items'${dataString}' delims=',' var='item'>
< li>${item}</li>
< /c:forTokens>
< /ul>

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

A) request.setCookie("username", "joe")
B) request.addCookie("username", "joe")
C) response.addCookie("username", "joe")
D) response.addHeader(new Cookie("username", "joe"))
E) request.addCookie(new Cookie("username", "joe"))
F) response.addCookie(new Cookie("username", "joe"))
G) request.addHeader(new Cookie("username", "joe"))

Solutions: