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SUN 310-083 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Session Management | - Java Servlet Technology - JavaServer Pages Technology - Getting Started with Web Applications |
| Building a Custom Tag Library | - Custom Tags in JSP Pages |
| The Web Container Model | - Java Servlet Technology - Getting Started with Web Applications |
| Web Application Security | - Securing Web Applications |
| The Structure and Deployment of Web Applications | - Getting Started with Web Applications |
| The JavaServer Pages (JSP) Technology Model | - JavaServer Pages Technology |
| The Servlet Technology Model | - Java Servlet Technology |
| Building JSP Pages Using Standard Actions | - JavaServer Pages Technology |
| Building JSP Pages Using Tag Libraries | - JavaServer Pages Standard Tag Library |
SUN Sun Certified Web Component Developer for J2EE 5 Sample Questions:
Click the Exhibit button.
The Appliance class is a Singleton that loads a set of properties into a Map from an external data source. Assume:
An instance of the Appliance class exists in the application-scoped attribute, appl
The appliance object includes the name property that maps to the value Cobia
The request-scoped attribute, prop, has the value name.
Which two EL code snippets will display the string Cobia? (Choose two.)
- A. ${appl.properties[name]}
- B. ${appl.properties[prop]}
- C. ${appl.properties.prop}
- D. ${appl.properties.name}
- E. ${appl.getProperties().get(prop)}
- F. ${appl.getProperties().get('name')}
Given the security constraint in a DD:
1 01. <security-constraint>
1 02. <web-resource-collection>
1 03. <web-resource-name>Foo</web-resource-name>
1 04. <url-pattern>/Bar/Baz/*</url-pattern>
1 05. <http-method>POST</http-method>
1 06. </web-resource-collection>
1 07. <auth-constraint>
1 08. <role-name>DEVELOPER</role-name>
1 09. </auth-constraint>
1 10. </security-constraint>
And given that "MANAGER" is a valid role-name, which four are true for this security constraint? (Choose four.)
- A. MANAGER can do a POST on any resource in the /Bar/Baz directory.
- B. MANAGER can do a GET on resources in the /Bar/Baz directory.
- C. DEVELOPER can do a TRACE on any resource in the /Bar/Baz directory.
- D. MANAGER can do a TRACE on any resource in the /Bar/Baz directory.
- E. DEVELOPER can do a GET on resources in the /Bar/Baz directory.
- F. DEVELOPER can do only a POST on resources in the /Bar/Baz directory.
You are creating a servlet that generates stock market graphs. You want to provide the web browser with precise information about the amount of data being sent in the response stream. Which two HttpServletResponse methods will you use to provide this information?
(Choose two.)
- A. response.setHeader("Length", numberOfBytes);
- B. response.setIntHeader("Content-Length", numberOfBytes);
- C. response.setHeader("Content-Length", numberOfBytes);
- D. response.setContentLength(numberOfBytes);
- E. response.setIntHeader("Length", numberOfBytes);
- F. response.setLength(numberOfBytes);
Which two statements are true about using the isUserInRole method to implement security in a Java EE application? (Choose two.)
- A. Using the isUserInRole method overrides any declarative authentication related to the method in which it is invoked.
- B. It can be invoked only from the doGet or doPost methods.
- C. It can be used independently of the getRemoteUser method.
- D. Using the isUserInRole method overrides any declarative authorization related to the method in which it is invoked.
- E. Can return "true" even when its argument is NOT defined as a valid role name in the deployment descriptor.
Given a web application in which the cookie userName is expected to contain the name of the user. Which EL expression evaluates to that user name?
- A. ${cookies.userName}[1]
- B. ${cookie.userName}
- C. ${cookies.get('userName')}
- D. ${userName}
- E. ${cookies.userName[0]}
- F. ${cookie.user.name}
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