Rigorous Ajax Test - 44+ MCQs: Ajax Quiz: Test Your Expertise with Asynchronous JavaScript and XML

1. Which method is used to initiate an Ajax request in JavaScript?

startRequest()

triggerAjax()

executeAsync()

send()

2. What is the purpose of the 'crossOrigin' property in the 'Image' object in Ajax?

To handle errors during the request

To define the response type

To facilitate cross-origin requests for images

To track the progress of the data transfer

3. In Ajax, what is the purpose of the 'async' attribute in the 'script' tag?

To define the response type

To ensure the script is executed asynchronously

To set custom headers in the request

To handle errors during the request

4. What is the purpose of the 'Preflight request' in Ajax?

To execute code when the request is aborted

A preliminary request sent to check server capabilities before the main request

To track the progress of the data transfer

To initiate an Ajax request

5. In Ajax, what does the term 'cross-origin' refer to?

Multiple server requests in parallel

Requests sent using different HTTP methods

Accessing resources from a different domain

Simultaneous execution of multiple Ajax functions

6. What role does the 'onreadystatechange' event play in Ajax?

It triggers the Ajax request

It defines the response type

It handles the server response

It monitors the change in the ready state of the request

7. In Ajax, what does the term 'serialization' refer to?

The process of converting data into a string for transmission

The simultaneous execution of multiple functions

The handling of server responses

The validation of Ajax requests

8. Which JavaScript function is commonly used to handle errors in Ajax?

errorHandler()

handleError()

onError()

catchError()

9. What does the term 'preflight request' mean in the context of Ajax?

A request sent before the main request to check server capabilities

A request to validate the status of the server

A request with pre-defined headers

A request sent to multiple servers in parallel

10. Which method is used to cancel an ongoing Ajax request?

abort()

cancel()

stop()

terminate()

Ajax MCQ Test 4