Why is a firewall a good place to implement a vpn

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Reference no: EM133954774

Question 1

Normally firewalls provide virtual private networks.

Explain step-by-step how to set up a VPN on a firewall of your choice. Provide a detailed example.
Why is a firewall a good place to implement a VPN?
Why not implement it at the actual server(s) being accessed?

Question 2

Some operating systems perform buffered I/O. In this scheme, an output request is accepted from a user, and the user is informed of the normal I/O completion. However, the actual physical write operation is performed later, at a time convenient to the operating system.

First, list the operating systems which perform buffered I/O.
Second, discuss the effect of buffered I/O on integrity in a DBMS.

Reference no: EM133954774

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