Java Enterprise and Web Technologies

This is an abstract class which extends the Servlet interface.

It provides protocol independent servlet.

This class has getServletInfo(), getServletName() and getInitParameterNames() methods.

This class has getServletInfo(), getServletName() and getValue() methods.

None of the above

This is an interface implemented by the servlet.

This is an abstract class which extends the Servlet interface.

The SingleThreadModel ensures that the Servlet will handle one request at a time.

The SingleThreadModel does not have any method.

None of the above

Buffering is used to enhance the performance of the servlet.

We can change the default Buffer size.

The default Buffer size is 8.192 characters.

The output of the browser can not be sent until the servlet process is finished or the Buffer is full.

All of the these

The javax.Servlet package defines the various exceptions.

A ServletException is known as the generic exception.

The getRootCause method returns the cause of ServletException.

The UnavaiableException determines that the servlet or filter is not available.

None of the above

It is an abstract class which provides the number of methods to obtain the various runtime objects of the JSP page.

The instance of JspFactory container class is created by the JSP container.

It is an implicit object.

All of the above.

Option 1 and 2.

This class provides notifications in the ServletContext object.

The contextDestroyed() method determines that the Servlet container is shut down.

The contextInitialized() method determines that the web application is ready to service the request.

Option 1 and 3

It is incorrect. Option 5 is correct answer.

The class implementing this interface determines the notification about the sessions.

The class implementing this interface determines the notification of changes to the HttpSession object's attribute.

This interface defines a session specific to the user requesting the servlet.

Options 1 and 2

None of the above

The class implementing this interface determines the notification about the sessions.

The class implementing this interface determines the notification of changes to the HttpSession object's attribute.

This interface defines a session specific to the user requesting the servlet.

Option 1 and 2

None of the above

ServletContext object can be obtained by the ServletConfig object.

Servlet container creates a ServletContext object.

The removeAttribute method accepts one argument.

The ServletContext object can be serialised.

All of the these

ServletConfig interface is used to pass the information from the servlet container to the servlet during the servlet initialization.

The getInitParameter() method returns null if the parameter does not exist.

ServletContext object is an interface between the servlet container and a servlet.

The only ServletContext object should be in a web application.

None of the above

Abstract machine model

The Repository model

Client-Server model

None of these

These annotations are used to specify information about security within a class file.

These expresses an application’s security structure, including security roles, access control, and authentication requirements in a deployment descriptor.

These security are embedded in an application.

These annotations are used to specify the various threats in an application.

Both (2) and (3)

Tomcat

Weblogic

Netbeans

Websphere

Glassfish

It is platform-independent.

It is used to store information about the web services.

It defines the rules for communication for XML.

It a directory of web service interfaces described by WSDL.

It communicates via SOAP.

The SOAP message can exchange information by using transport protocol.

SOAP provides a specific binding for the JMS (Java Messaging System) protocol.

A SOAP HTTP request specifies at least two HTTP headers.

It is used to define the rules of communication for the messages.

SOAP can be represented by using XML, RDF and JSON.