Web Developer (Test 154)

Exam Objectives and Sub-Objectives:

Following are the objectives of this exam

1. Writing Application Control Logic (28%)

• Create, declare and map a class that extends HttpServlet or a subclass of HttpServlet
• Programmatically build URLs, including URL encoding, selecting the protocol and adding query string information
• Query and extract all relevant information from the HttpServletRequest object
• Delegate display from the servlet to the appropriate display agent
• Record and manage state using the four scopes
• Obtain and use initialization and context parameters
• Identify the key elements and the role of the WAR file
• Identify key multithreading issues and their effects on HttpServlet performance
• Apply session management to situations such as session invalidation, and concurrent access to session resources
• Ensure that a servlet enforces pre- and post-processing conditions as a controller, such as appropriate state, proper error codes, etc
• Implement a filter to manipulate servlet requests and responses
• Implement event listeners for a servlet
• Create a serializable object and list when it may be used with respect to clustered and persistent sessions

2. Writing Application Display Logic (32%)

• Build an HTML page using tables and forms
• Write JSP code to maximize browser compatibility, such as including ALT attributes in tags, providing XML support, and retrieving the User-Agent header value
• Use JavaScript (ECMA-262) for client-side processing, such as data validation and presentation enrichment
• Embed an applet in HTML
• Use local styles and Cascading Style Sheets (CSS) in an HTML page
• Control page processing through the HTML header with settings such as enabling\disabling caching, meta information, pragma settings, etc
• Access a JavaBean and its associated state in the correct scope using the useBean and other related action tags
• Identify, construct and use valid JSP scripting elements such as expressions, scriptlets and declarations to display dynamic content
• Identify and implement valid JSP directives, such as page, include, taglib, etc
• Implement exception handling in JSP, including the use of JSP error pages
• Declare and use a pre-existing custom tag library in a JSP file
• Create a simple well-formed WML document utilizing WML-specific tags
• Define the role of XSLT in enabling document conversion, such as HTML to WML
• Identify the implications of displaying graphics on a wireless device
• Identify the HTML elements that are sensitive to internationalization and localization
• Match the XML-based JSP tags to the traditional (legacy) JSP tags

3. Utilizing Business Services (25%)

• Locate an object such as a DataSource, EJB reference or connection factory in a JNDI namespace
• Handle J2EE exceptions such as NamingException, JMS exceptions, resource exceptions, JDBCException, transaction and EJB-related exceptions
• Obtain and release JDBC resources such as connections using JDBC 2.0-compliant data sources
• Create and use JDBC statements including prepared and callable statements
• Navigate and read a ResultSet using the JDBC 2.0 API
• Use the J2EE Connector Architecture common client interface to send and extract data from a J2EE service
• Obtain and use an EJBHome or EJBLocalHome interface
• Obtain and use a remote or local interface for an enterprise bean
• Distinguish between various forms of enterprise beans and the ways that each is used
• Create and use JMS Sessions to send and receive messages
• Identify and distinguish between the models in the JMS architecture, such as point-to-point and publish subscribe
• Create a Message object using the correct type for the data being used
• Connect to JavaMail to send and receive mail  

4. Exposing Application Components Using Web Services (15%)

• Read and write a file that conforms to the syntax of an XML application using one or more namespaces based on a DTD/XSD. Identify and resolve errors in a SOAP message
• Modify settings in a WSDL file, including those that relate to implementation and binding
• Compare and contrast the roles of UDDI, WSDL and SOAP as used by service providers, service consumers and service brokers
• Identify the basic aspects of Web Services, such as components that can be used to implement them, differences between synchronous and asynchronous Web Services, etc
• Write a client integrating a given Web Service using JAX-RPC and JAXM

Exam Detail:

Number of Question:	60
Type of Questions:	Multiple-Choice
Passing Score:	55
Time Duration:	90 min