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Which of the following services are provided by the proxy servers?
Correct Answer: B,C,D
Explanation/Reference: Explanation: A proxy server is a very important element for firewall applications. The services that it provides are as follows: Hide network resources: Proxy replaces the network IP address with a single IP address. Multiple systems can use a single IP address. Logging: A proxy server can log incoming and outgoing access, allowing a user to see every possible details of successful and failed connections. Cache: A proxy server can save information obtained from the Internet. It regularly updates these copies and automatically shows these pages, and will thus not need to access the Internet to view them.