Which of the following is the first step in using Ajax to update data? a. Receive the response from the server, containing the requested data. b. Process the data returned from the server and...

Which of the following is the first step in using Ajax to update data?

a. Receive the response from the server, containing the requested data.

b. Process the data returned from the server and incorporate the data into the app.

c. Use the XMLHttpRequest object to send a request to the server.

d. Instantiate an XMLHttpRequest object for the web browser where the script will run.