What is data de-duplication? Explain its need and importance.

Q3. a) In your Web browser, enter the URL https://www.apache.org/press/ and the URL https://www.apache.org/press respectively. Do you see the same Web page? If yes, then explain the importance of the trailing slashes at the end of the URLs. b) What is the HTTP response status code you receive when you send an HTTP GET request to https://www.apache.org/press/. What is the significance of the error code? [ 7 marks ]