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SUN 310-083 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: The Web Container Model | - Getting Started with Web Applications - Java Servlet Technology |
| Topic 2: Building a Custom Tag Library | - Custom Tags in JSP Pages |
| Topic 3: The Servlet Technology Model | - Java Servlet Technology |
| Topic 4: Session Management | - JavaServer Pages Technology - Getting Started with Web Applications - Java Servlet Technology |
| Topic 5: Building JSP Pages Using Tag Libraries | - JavaServer Pages Standard Tag Library |
| Topic 6: The JavaServer Pages (JSP) Technology Model | - JavaServer Pages Technology |
| Topic 7: Web Application Security | - Securing Web Applications |
| Topic 8: Building JSP Pages Using Standard Actions | - JavaServer Pages Technology |
| Topic 9: The Structure and Deployment of Web Applications | - Getting Started with Web Applications |
SUN Sun Certified Web Component Developer for J2EE 5 Sample Questions:
Given an EL function foo, in namespace func, that requires a long as a parameter and returns a Map, which two are valid invocations of function foo? (Choose two.)
- A. ${func:foo("3").name}
- B. ${func:foo(2)}
- C. ${func:foo("easy")}
- D. ${foo:func(4)}
- E. ${func(1)}
- F. ${foo(5):func}
Correct Answer: A,B 🗳️
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. DESTROY
- B. DELETE
- C. POST
- D. PUT
- E. REMOVE
- F. SEND
Correct Answer: B,D 🗳️
Your web application uses a simple architecture in which servlets handle requests and then forward to a JSP using a request dispatcher. You need to pass information calculated in the servlet to the JSP for view generation. This information must NOT be accessible to any other servlet, JSP or session in the webapp. Which two techniques can you use to accomplish this goal? (Choose two.)
- A. Use the pageContext object to add request attributes.
- B. Add parameters to the request object.
- C. Add attributes on the request object.
- D. Add attributes to the session object.
- E. Add parameters to the JSP's URL when generating the request dispatcher.
Correct Answer: C,E 🗳️
Given:
3 . public class MyTagHandler extends TagSupport {
4 . public int doStartTag() {
5 . // insert code here
6 . // return an int
7 . }
8 . // more code here
...
18. }
There is a single attribute foo in the session scope.
Which three code fragments, inserted independently at line 5, return the value of the attribute? (Choose three.)
- A. Object o = pageContext.getAttribute("foo",
PageContext.SESSION_SCOPE); - B. Object o = pageContext.findAttribute("foo");
- C. Object o = pageContext.getAttribute("foo");
- D. HttpServletRequest r = pageContext.getRequest();
Object o = r.getAttribute("foo"); - E. HttpSession s = pageContext.getSession();
Object o = s.getAttribute("foo");
Correct Answer: A,B,E 🗳️
Click the Exhibit button.
Given the HTML form:
1 . <html>
2 . <body>
3 . <form action="submit.jsp">
4 . Name: <input type="text" name="i1"><br>
5 . Price: <input type="text" name="i2"><br>
6 . <input type="submit">
7 . </form>
8 . </body>
9 . </html>
Assume the product attribute does NOT yet exist in any scope.
Which code snippet, in submit.jsp, instantiates an instance of com.example.Product that contains the results of the form submission?
- A. <jsp:useBean id="com.example.Product" />
< jsp:setProperty name="product" property="*" /> - B. <jsp:useBean id="product" type="com.example.Product">
< jsp:setProperty name="product" property="name"
value="<%= request.getParameter( "i1" ) %>" />
< jsp:setProperty name="product" property="price"
value="<%= request.getParameter( "i2" ) %>" />
< /jsp:useBean> - C. <jsp:useBean id="product" class="com.example.Product" />
$ {product.name = param.i1}
$ {product.price = param.i2} - D. <jsp:useBean id="product" class="com.example.Product">
< jsp:setProperty name="product" property="name"
param="i1" />
< jsp:setProperty name="product" property="price"
param="i2" />
< /jsp:useBean>
Correct Answer: D 🗳️
