A common concern with using firewalls is that they will slow communications. If a firewall is installed properly, it should operate at network speed and not slow communications.

Explain two or more techniques that can be used to improve a firewall’s performance.
Under what circumstances would you suggest using each technique?
Explain four security strategies used for firewalls.
Which two strategies would you favor implementing, and why?
Should you have more than one firewall? If so, how would you layer them for the greatest network security?