AJAX Interview Questions

Personal Interview - Answers to frequently asked questions

AJAX Interview questions and Answers

What is AJAX and what problem does it solve?

Answer - Ajax is a set of client side technologies that allows asynchronous communication between .....

Ajax Interview questions with answers posted on August 12, 2008 at 18:00 pm by Rajmeet Ghai Explain ASP.NET Ajax Framework. Answer - ASP.NET Ajax Framework is used for implementing the Ajax functionality...... Explain limitations of Ajax. Answer - Back functionality cannot work because the dynamic pages don’t register themselves to the browsers history engine.......... What is the role of Script Manager in Ajax? Answer - Script Manager, as the name suggests is used to manage the client side script of Ajax............. List out differences between AJAX and JavaScript. Answer - Ajax is Asynchronous Java Script and XML. Here on sending request to the server, one needn’t wait for the response................. Describe how to create AJAX objects. Answer - Ajax Objects can be created by the following syntax:............. Define JSON. Answer - JSON is JavaScript Object Notation. JSON is a safe and reliable data.......... Explain in brief abo XMLHttpRequest object Answer - XMLHttpRequest object is used to transfer data between a client and a server....... Describe the formats and protocols used by AJAX. Answer - Ajax uses HTTP’s GET or POST. AJAX also uses XMLHttpRequest protocol for requesting to the web server............... What are the security issues with AJAX? Answer - AJAX function calls are sent in plain text to server. These calls may easily reveal database............... Describe how to handle concurrent AJAX requests. Answer - JavaScipt Closures can be used for handling concurrent requests. A function can be written............. When should AJAX NOT be used? Answer - If the page is expected to be shown in a search engine like Google. Since Web crawlers don’t execute............... How do you know that an AJAX request has completed? Answer - By determining the readyState property value of XMLHttpReqyest, One can know if the request............... How do I handle the back and forward buttons? Answer - In order to store changes in the browsers web history (enabling back and forward buttons)..............

More Related Links

Understanding AJAX

What Is AJAX? History of AJAX, Advantages of AJAX

Technologies That Make Up AJAX

What Is ASP.NET 2.0 AJAX?

The components in the ASP.NET 2.0 AJAX packaging

Understanding AJAX

Potential benefits of using Ajax

Potential problems with AJAX

ASP.NET Interview questions part 3 includes following questions with answers

What is Shared (static) member? | What is the transport protocol you use to call a Web service? | What is Option Strict used for? | Define Boxing and Unboxing. | What does WSDL stand for? | Define ViewState in ASP.NET. | What is the lifespan for items stored in ViewState? | Define EnableViewState property. | What are Delegates? | What are Classes? | What is Encapsulation? | Different types of Session state management options available with ASP.NET? | What methods are fired during the page load? | Explain ADO.NET.

ASP.NET Interview questions part 4 includes following questions with answers

Define Server-side and Client-side code in ASP.NET. | What tag do you use to add a hyperlink column to the DataGrid? | Where does VS.NET store Web application projects? | Describe Web application’s life cycle | Define class module and a code module. | Steps to execute a stored procedure from Web Application | Describe exception handling in ASP.NET | What are the exception-handling ways in ASP.NET?

Click here to share knowledge by answering these questions Explain AJAX in detail.  Explain ASP.NET Ajax Framework. Is is possible to implement Ajax in browsers that do not support the XmlHttpRequest object? Do AJAX technology work on web servers other than IIS? Explain limitations of Ajax. What is the role of ScriptManager in Ajax? Which request is better with AJAX, Get or Post? List out differences between AJAX and Javascript. List out browsers that support AJAX. What are the different frameworks available In AJAX? Are there any security issues with AJAX? Does AJAX work with Java? Is AJAX a programming language? Are Ajax applications easier to develop than traditional web applications? Describe how to create AJAX objects. Define JSON. What are the objects used by AJAX programs? Describe the basic fundamental of AJAX. Name the API functions that allow connection between the client and server. Describe when to use Java applet instead of AJAX. Which one should we use between HTTP GET or Post for AJAX calls? Is the server or the client in control in AJAX? Explain in brief about XMLHttpRequest object. Describe the formats and protocols used by AJAX. What AJAX framework do you recommend for PHP applications? What kinds of applications is Ajax best suited for? Describe how to handle concurrent AJAX requests. When should AJAX NOT be used? Explain how to test AJAX code. List out the differences between AJAX and JavaScript. What problem does Ajax solve? What are issues with AJAX? Is AJAX code cross browser compatible? How do you know that an AJAX request has completed? How do I handle the back and forward buttons?   Click here to share knowledge by answering these questions