What is the difference between a standard HTTP request and a request that uses the XMLHttpRequest object? Which of the following does a JSON-P request use? a. An XMLHttpRequest object b. A script...

What is the difference between a standard HTTP request and a request that uses the XMLHttpRequest object?

Which of the following does a JSON-P request use?

a. An XMLHttpRequest object

b. A script element

c. A proxy

d. A meta element

Which response header is used by CORS?

a. Vary

b. Server

c. Access-Control-Allow-Origin

d. Location