Which of the following statements are true about application proxies?
A. Application proxies, or proxy servers, are devices that operate as intermediary agents on behalf of clients that are on a private or protected network.
B. Clients on the protected network send connection requests to the application proxy to transfer data to the unprotected network or the Internet.
C. Application proxies can be classified as next-generation firewalls.
D. Application proxies always perform network address translation (NAT).
