Sun Certified Web Component Developer

 

Sun Certified Web Component Developer for the Java 2 Platform, Enterprise Edition 1.3

The Sun Certified Web Component Developer for the Java 2 Platform, Enterprise Edition 1.3 certification exam is for Sun Certified Programmers for Java 2 Platform (1.1, 1.2 and 1.4) who are using the Java technology servlet and JavaServer Pages (JSP) APIs to develop Web applications. Certification is available for the Java 2 Platform, Enterprise Edition (J2EE) platform.

Product ID
CX-310-0
80

Price
$150.00

 
 
  Details

 

  • Delivered at: Authorized Prometric testing centers
  • Prerequisites: Sun Certified Programmer for the Java 2 Platform (any version) status
  • Other exams/assignments required for this certification: None
  • Exam type: Multiple choice, short answer, and drag and drop
  • Number of questions: 59
  • Pass score: 61% (36 of 59 questions)
  • Time limit: 90 minutes
Languages

 

  • English
  • Simplified Chinese
  • Traditional Chinese
  • Japanese
  • Korean
 
Exam Objectives  
   
Section 1: The Servlet Model  
 
  • 1.1 For each of the HTTP methods, GET, POST, and PUT, identify the corresponding method in the HttpServlet class.
  • 1.2 For each of the HTTP methods, GET, POST, and HEAD, identify triggers that might cause a browser to use the method, and identify benefits or functionality of the method.
  • 1.3 For each of the following operations, identify the interface and method name that should be used:
  • * Retrieve HTML form parameters from the request
  • * Retrieve a servlet initialization parameter
  • * Retrieve HTTP request header information
  • * Set an HTTP response header; set the content type of the response
  • * Acquire a text stream for the response
  • * Acquire a binary stream for the response
  • * Redirect an HTTP request to another URL
  • 1.4 Identify the interface and method to access values and resources and to set object attributes within the following three Web scopes:
  • * Request
  • * Session
  • * Context
  • 1.5 Given a life-cycle method: init, service, or destroy, identify correct statements about its purpose or about how and when it is invoked.
  • 1.6 Use a RequestDispatcher to include or forward to a Web resource.
 
Section 2: The Structure and Deployment of Modern Servlet Web Applications  
 
  • 2.1 Identify the structure of a Web Application and Web Archive file, the name of the WebApp deployment descriptor, and the name of the directories where you place the following:
  • * The WebApp deployment descriptor
  • * The WebApp class files
  • * Any auxiliary JAR files
  • 2.2 Match the name with a description of purpose or functionality, for each of the following deployment descriptor elements:
  • * Servlet instance
  • * Servlet name
  • * Servlet class
  • * Initialization parameters
  • * URL to named servlet mapping
 
Section 3: The Servlet Container Model  
 
  • 3.1 Identify the uses for and the interfaces (or classes) and methods to achieve the following features:
  • * Servlet context init. parameters
  • * Servlet context listener
  • * Servlet context attribute listener
  • * Session attribute listeners
  • 3.2 Identify the WebApp deployment descriptor element name that declares the following features:
  • * Servlet context init. parameters
  • * Servlet context listener
  • * Servlet context attribute listener
  • * Session attribute listeners
  • 3.3 Distinguish the behavior of the following in a distributable:
  • * Servlet context init. parameters
  • * Servlet context listener
  • * Servlet context attribute listener
  • * Session attribute listeners
 
Section 4: Designing and Developing Servlets to Handle Server-side Exceptions  
 
  • 4.1 For each of the following cases, identify correctly constructed code for handling business logic exceptions, and match that code with correct statements about the code's behavior: Return an HTTP error using the sendError response method; Return an HTTP error using the setStatus method.
  • 4.2 Given a set of business logic exceptions, identify the following: The configuration that the deployment descriptor uses to handle each exception; How to use a RequestDispatcher to forward the request to an error page; Specify the handling declaratively in the deployment descriptor.
  • 4.3 Identify the method used for the following: Write a message to the WebApp log; Write a message and an exception to the WebApp log.
 
Section 5: Designing and Developing Servlets Using Session Management  
 
  • 5.1 Identify the interface and method for each of the following:
  • * Retrieve a session object across multiple requests to the same or different servlets within the same WebApp
  • * Store objects into a session object
  • * Retrieve objects from a session object
  • * Respond to the event when a particular object is added to a session
  • * Respond to the event when a session is created and destroyed
  • * Expunge a session object
  • 5.2 Given a scenario, state whether a session object will be invalidated.
  • 5.3 Given that URL-rewriting must be used for session management, identify the design requirement on session-related HTML pages.
 
Section 6: Designing and Developing Secure Web Applications  
 
  • 6.1 Identify correct descriptions or statements about the security issues:
  • * Authentication, authorization
  • * Data integrity
  • * Auditing
  • * Malicious code
  • * Web site attacks
  • 6.2 Identify the deployment descriptor element names, and their structure, that declare the following:
  • * A security constraint
  • * A Web resource
  • * The login configuration
  • * A security role
  • 6.3 Given an authentication type: BASIC, DIGEST, FORM, and CLIENT-CERT, identify the correct definition of its mechanism.
 
Section 7: Designing and Developing Thread-safe Servlets  
 
  • 7.1 Identify which attribute scopes are thread-safe:
  • * Local variables
  • * Instance variables
  • * Class variables
  • * Request attributes
  • * Session attributes
  • * Context attributes
  • 7.2 Identify correct statements about differences between the multi-threaded and single-threaded servlet models.
  • 7.3 Identify the interface used to declare that a servlet must use the single thread model.
 
Section 8: The JavaServer Pages Technology Model  
 
  • 8.1 Write the opening and closing tags for the following JSP tag types:
  • * Directive
  • * Declaration
  • * Scriptlet
  • * Expression
  • 8.2 Given a type of JSP tag, identify correct statements about its purpose or use.
  • 8.3 Given a JSP tag type, identify the equivalent XML-based tags.
  • 8.4 Identify the page directive attribute, and its values, that:
  • * Import a Java class into the JSP page
  • * Declare that a JSP page exists within a session
  • * Declare that a JSP page uses an error page
  • * Declare that a JSP page is an error page
  • 8.5 Identify and put in sequence the following elements of the JSP page lifecycle:
  • * Page translation
  • * JSP page compilation
  • * Load class
  • * Create instance
  • * Call jspInit
  • * Call _jspService
  • * Call jspDestroy
  • 8.6 Match correct descriptions about purpose, function, or use with any of the following implicit objects:
  • * request
  • * response
  • * out
  • * session
  • * config
  • * application
  • * page
  • * pageContext
  • * exception
  • 8.7 Distinguish correct and incorrect scriptlet code for:
  • * A conditional statement;
  • * An iteration statement
 
Section 9: Designing and Developing Reusable Web Components  
 
9.1 Given a description of required functionality, identify the JSP page directive or standard tag in the correct format with the correct attributes required to specify the inclusion of a Web component into the JSP page.
 
Section 10: Designing and Developing JSP Pages Using JavaBeans Components  
 
  • 10.1 For any of the following tag functions, match the correctly constructed tag, with attributes and values as appropriate, with the corresponding description of the tag's functionality:
  • * Declare the use of a JavaBeans component within the page.
  • * Specify, for jsp: useBean or jsp: getProperty tags, the name of an attribute.
  • * Specify, for a jsp: useBean tag, the class of the attribute.
  • * Specify, for a jsp: useBean tag, the scope of the attribute.
  • * Access or mutate a property from a declared JavaBean.
  • * Specify, for a jsp: getProperty tag, the property of the attribute.
  • * Specify, for a jsp: setProperty tag, the property of the attribute to mutate, and the new value.
  • 10.2 Given JSP page attribute scopes: request, session, application, identify the equivalent servlet code.
  • 10.3 Identify techniques that access a declared JavaBean component.
 
Section 11: Designing and developing JSP Pages Using Custom Tags  
 
  • 11.1 Identify properly formatted tag library declarations in the Web application deployment descriptor.
  • 11.2 Identify properly formatted taglib directives in a JSP page.
  • 11.3 Given a custom tag library, identify properly formatted custom tag usage in a JSP page. Uses include:
  • * An empty custom tag
  • * A custom tag with attributes
  • * A custom tag that surrounds other JSP code
  • * Nested custom tags
 
Section 12: Designing and Developing a Custom Tag Library  
 
  • 12.1 Identify the tag library descriptor element names that declare the following:
  • * The name of the tag
  • * The class of the tag handler
  • * The type of content that the tag accepts
  • * Any attributes of the tag
  • 12.2 Identify the tag library descriptor element names that declare the following:
  • * The name of a tag attribute
  • * Whether a tag attribute is required
  • * Whether or not the attribute's value can be dynamically specified
  • 12.3 Given a custom tag, identify the necessary value for the bodycontent TLD element for any of the following tag types:
  • * Empty-tag
  • * Custom tag that surrounds other JSP code
  • * Custom tag that surrounds content that is used only by the tag handler
  • 12.4 Given a tag event method (doStartTag, doAfterBody, and doEndTag), identify the correct description of the methods trigger.
  • 12.5 Identify valid return values for the following methods:
  • * doStartTag
  • * doAfterBody
  • * doEndTag
  • * PageConext.getOut
  • 12.6 Given a "BODY" or "PAGE" constant, identify a correct description of the constant's use in the following methods:
  • * doStartTag
  • * doAfterBody
  • * doEndTag
  • 12.7 Identify the method in the custom tag handler that accesses:
  • * A given JSP page's implicit variable
  • * The JSP page's attributes
  • 12.8 Identify methods that return an outer tag handler from within an inner tag handler.
 
Section 13  
 
  • 13.1 Given a scenario description with a list of issues, select the design pattern (Value Objects, MVC, Data Access Object, or Business Delegate) that would best solve those issues.
  • 13.2 Match design patterns with statements describing potential benefits that accrue from the use of the pattern, for any of the following patterns:
  • * Value Objects
  • * MVC
  • * Data Access Object
  • * Business Delegate