Which of the Following Is a Drawback of Using a Proxy

Multiple Choice

Which of the following is a drawback of using a proxy server to ensure online anonymity?

A) the parasitic and unauthorized use of hundreds of computer systems owned by individuals for masking online identity
B) the lack of uniform and binding legislation across different countries that determines the legality of using proxy servers
C) the need to rely on the promise of the company that operates the proxy to protect its customers' identities
D) the inability to consistently ensure online anonymity, especially when government agencies are among the parties involved