Q&A
| Q. | What is the benefit of a stateful firewall? |
| A. | By monitoring the state of a connection, a stateful firewall can watch for certain denial or service attacks, as well as invalid packets and tricks that hijack or manipulate the session. |
| Q. | What is the purpose of a DMZ? |
| A. | The purpose of a DMZ is to provide an intermediate security zone that is more accessible than the internal network but more protected than the open Internet. |
| Q. | How does a proxy server improve response time for a web browser? |
| A. | Many proxy servers cache previously visited web pages. This technique, which is known as content caching, allows the proxy server to serve the page locally, which is much faster than having to request the page from a server on the Internet. |
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