Computer Knowledge

Java Enterprise and Web Technologies

2,183 Questions

Java enterprise and web technologies questions focus on J2EE architecture, web services like SOAP, and servlet functionalities. These topics frequently appear in IT officer and specialist scale examinations. Regular practice ensures familiarity with enterprise application components.

HttpServlet methodsSOAP and web servicesEJB architecture rolesJ2EE componentsJSP servlet callingUDDI concepts

Java Enterprise and Web Technologies Questions

Multiple choice

In which of the following features does IIS 6.0 use a new request processing architecture and application isolation environment that enables individual web applications to function within a self contained worker process?

  1. IP address restrictions

  2. SMTP service

  3. Reliability

  4. Scalability

  5. Bandwidth
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This feature of IIS 6.0 uses a new request processing architecture and application environment that enables individual web applications to function within self contained worker process.

Multiple choice

Which of the following methods of the Global.asax file is called when the first resource is requested from the web server?

  1. Session_Start()

  2. Application_BeginRequest()

  3. Application_Start()

  4. Application_AuthenticateRequest()

  5. Application_AcquireRequestState()
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Application_Start() is fired when the first resource is requested from the web server and the web application starts. It allows us to create objects that accessible by all HttpApplication instances.

Multiple choice

Which of the following is NOT an ASP.NET object?

  1. Application

  2. Request

  3. Cookie

  4. Response

  5. Session
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A cookie is not an object but a small file that the server embeds on the user's computer. Whenever the same computer requests a page with a browser, it will send the cookie too.

Multiple choice

Which of the following allows the state of objects to be stored transported back to server whenever required?

  1. ViewState

  2. MasterPage

  3. Global Assembly Cache

  4. Code Access Security

  5. Reflection
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

ViewState is a .NET mechanism to store the posted data among postbacks. ViewState allows the state of objects to be stored in a hidden field on the page, saved on client side and transported back to server whenever required.

Multiple choice

Which of the following techniques acts as an abstraction layer, separating the platform and programming language specific details of how the application code is actually invoked?

  1. Window form

  2. Web form

  3. Web service

  4. The execution support

  5. Bandwidth throttling
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This technique acts as an abstraction layer, separating the platform and programming language specific details of how the application code is actually invoked.

Multiple choice

Which of the following is NOT a feature of JavaScript?

  1. Less server interaction

  2. We can handle events in JavaScripts

  3. JavaScript supports multithreading.

  4. It makes a web page dynamic

  5. Supports drag and drop.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Multithreading is the process of running multiple threads simultaneously. JavaScript doesn't have any multithreading or multiprocess capabilities.