Which one of the following statements is correct? a. Web browsers cannot function without cookies. b. Cookies are text files and never contain encrypted data. c. Cookies contain the URLs of sites visited by the user. d. Cookies always contain encrypted data.

Option (c) is the correct answer for the given question.

Explanation:

Cookies are the text files that are stored in the web browser when we are visiting the internet website. The size of these text files is very small, basically, these text files holding the information of that internet website which are user visiting. Cookies are stored on the client-side whereas the session is stored on the server-side.

cookies do not contain encrypted data. They contain the URLs of sites visited by the user. Option (a), Option (b) and Option (d) are the incorrect option for the cookies.