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SUN 310-083 Exam Overview:

SUN 310-083 Exam Syllabus Topics:

SUN Sun Certified Web Component Developer for J2EE 5 Sample Questions:

1. Which mechanism requires the client to provide its public key certificate?

A) HTTPS Client Authentication
B) Form Based Authentication
C) HTTP Digest Authentication
D) HTTP Basic Authentication

2. Which two are valid values for the <transport-guarantee> element inside a <security- constraint> element of a web application deployment descriptor? (Choose two.)

A) CONFIDENTIAL
B) SECURE
C) INTEGRAL
D) ENCRYPTED
E) NULL

3. For which three events can web application event listeners be registered? (Choose three.)

A) when a session is created
B) after a servlet is destroyed
C) when a session attribute value is changed
D) when a session has timed out
E) when a cookie has been created
F) when a servlet has forwarded a request

4. Which EL expression evaluates to the request URI?

A) ${request.getURI}
B) ${request.URI}
C) ${request.requestURI}
D) ${requestURI}
E) ${requestScope.requestURI}
F) ${requestScope.request.requestURI}
G) ${pageContext.request.requestURI}

5. You are building a web application that will be used throughout the European Union; therefore, it has significant internationalization requirements. You have been tasked to create a custom tag that generates a message using the java.text.MessageFormat class.
The tag will take the resourceKey attribute and a variable number of argument attributes with the format, arg<N>. Here is an example use of this tag and its output:
< t:message resourceKey='diskFileMsg' arg0='MyDisk' arg1='1247' />
generates:
The disk "MyDisk" contains 1247 file(s).
Which Simple tag class definition accomplishes this goal of handling a variable number of tag attributes?

A) public class MessageTag extends SimpleTagSupport
implements VariableAttributes {
private Map attributes = new HashMap();
public void setVariableAttribute(String uri,
String name, Object value) {
this.attributes.put(name, value);
}
// more tag handler methods
}
B) public class MessageTag extends SimpleTagSupport
implements DynamicAttributes {
private Map attributes = new HashMap();
public void setDynamicAttribute(String uri, String name,
Object value) {
this.attributes.put(name, value);
}
// more tag handler methods
}
C) The Simple tag model does NOT support a variable number of attributes.
D) public class MessageTag extends SimpleTagSupport
implements VariableAttributes {
private Map attributes = new HashMap();
public void putAttribute(String name, Object value) {
this.attributes.put(name, value);
}
// more tag handler methods
}
E) public class MessageTag extends SimpleTagSupport
implements DynamicAttributes {
private Map attributes = new HashMap();
public void putAttribute(String name, Object value) {
this.attributes.put(name, value);
}
// more tag handler methods
}

Solutions: