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* Description: Knowledge of network proxy server
* Compatiablity: RDBMS 11g, 12c
* Date: 06:01 PM EST, 05/18/2017
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<1> Network Proxy Server:	 
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     |__ A proxy can be thought of as an intermediary between your personal computer and the Internet. 
		 
         o. Serving as a big cache between user web browser and targest requested web server.
         o. Difference between VPN is a proxy server is only able to secure your torrent client or web browser.
         o. Be able to act as a firewall.