Question

What indicates the content in file is HTML when delivered on the network.

(a) The extension of the file “.html”

(b) The “content-type” header

(c) Both “.html” extension and “content-type” header

(d) The “content_type” header

I had been asked this question in an online interview.

My doubt stems from Traditional HTML and XHTML in chapter HTML Fundamentals of HTML

Answer 1

The correct option is (b) The “content-type” header

The best explanation: Content-type: header indicates the content in the file is HTML and we can see file content through it when delivered on the network. “.html” is the file extension for HTML.