What is sent over HTTP, if user enters non-ASCII characters into the address window of a Web
browser (e.g. the URL address shown in the image)?

A.
The UTF-16 representation of these characters is being sent, since HTTP supports Unicode
B.
The special characters are Base64 encoded before sending
C.
URL address contains sequence of the form %HH%HH%HH, where “HH” is a hex-encoding of
bytes representing the non-ASCII characters
D.
Special characters are sent as bytes, using the current encoding of the Web page
Explanation:
C
C