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Oracle 1Z0-858 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| JSP Technology Model | 13% | - JSP lifecycle - Elements and syntax - Implicit objects |
| Web Application Structure and Deployment | 10% | - WAR file structure - Annotations for configuration - Deployment descriptor (web.xml) |
| JSTL and Custom Tag Development | 12% | - Tag handler lifecycle - Tag files and descriptors - JSTL core and formatting tags |
| Web Application Security | 12% | - Authorization and roles - Data protection and transport security - Authentication methods |
| Expression Language (EL) and Standard Actions | 10% | - EL syntax and operators - Standard JSP actions - Accessing JavaBeans and collections |
| Web Container Model | 10% | - Filters and interceptors - Container services - Event listeners |
| Servlet Technology Model | 15% | - Servlet lifecycle - Servlet configuration and initialization - Request and response handling |
| Session Management | 10% | - Session tracking mechanisms - Session lifecycle - Session attributes and scope |
| Design Patterns and Architecture | 8% | - Intercepting Filter, Front Controller - Service Locator, Business Delegate - MVC pattern |
Oracle Java Enterprise Edition 5 Web Component Developer Certified Professional Sample Questions:
1. 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="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>
B) <jsp:useBean id="product" class="com.example.Product" />
${product.name = param.i1}
${product.price = param.i2}
C) <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>
D) <jsp:useBean id="com.example.Product" /> <jsp:setProperty name="product" property="*" />
2. In a JSP-centric web application, you need to create a catalog browsing JSP page. The catalog is stored as a List object in the catalog attribute of the webapp's ServletContext object. Which scriptlet code snippet gives you access to the catalog object?
A) <% List catalog = application.getAttribute("catalog"); %>
B) <% List catalog = context.getAttribute("catalog"); %>
C) <% List catalog = servletContext.getAttribute("catalog"); %>
D) <% List catalog = config.getAttribute("catalog"); %>
3. You need to store a floating point number, called Tsquare, in the session scope. Which two code snippets allow you to retrieve this value? (Choose two.)
A) float Tsquare = ((Float) session.getFloatAttribute.("Tsquare")).floatValue;
B) float Tsquare = session.getFloatAttribute("Tsquare");
C) float Tsquare = (float) session.getNumericAttribute("Tsquare");
D) float Tsquare = ((Float) session.getNumericAttribute.("Tsquare")).floatValue;
E) float Tsquare = (Float) session.getAttribute("Tsquare");
F) float Tsquare = ((Float) session.getAttribute.("Tsquare")).floatValue();
4. You want to create a valid directory structure for your Java EE web application, and you want to put your web application into a WAR file called MyApp.war. Which two are true about the WAR file? (Choose two.)
A) At deploy time, Java EE containers add a directory called META-INF directly into the MyApp directory.
B) At deploy time, Java EE containers add a file called MANIFEST.MF directly into the MyApp directory.
C) It can instruct your Java EE container to verify, at deploy time, whether you have properly configured your application's classes.
D) At deploy time, Java EE containers add a directory call META-WAR directly into the MyApp directory.
5. A custom tag is defined to take three attributes. Which two correctly invoke the tag within a JSP page? (Choose two.)
A) <prefix:myTag attributes={"foo","bar","baz"} />
B) <prefix:myTag a="foo" b="bar" c="baz" />
C) <prefix:myTag>
<jsp:attribute ${"foo", "bar", "baz"} />
</prefix:myTag>
D) <prefix:myTag>
<jsp:attribute a:foo b:bar c:baz />
</prefix:myTag>
E) <prefix:myTag>
<jsp:attribute a="foo" b="bar" c="baz"/> </prefix:myTag>
F) <prefix:myTag>
<jsp:attribute name="a">foo</jsp:attribute>
<jsp:attribute name="b">bar</jsp:attribute>
<jsp:attribute name="c">baz</jsp:attribute>
</prefix:myTag>
G) <prefix:myTag jsp:attribute a="foo" b="bar" c="baz" />
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: A | Question # 3 Answer: E,F | Question # 4 Answer: A,C | Question # 5 Answer: B,F |
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