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which of the following rules appearing in an Internet f…

During the initial stage of configuration of your firewall, which of the following rules appearing in an Internet
firewall policy is inappropriate?

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A.
The firewall software shall run on a dedicated computer.

B.
Appropriate firewall documentation and a copy of the rulebase shall be maintained on offline storage at all
times.

C.
The firewall shall be configured to deny all services not expressly permitted.

D.
The firewall should be tested online first to validate proper configuration.

Explanation:
For security reasons, the firewall should be tested offline.
Incorrect Answers:
A: A firewall may take the form of either software installed on a regular computer using a regular operating
system or a dedicated hardware appliance that has its own operating system. The second choice is usually
more secure.
B: It is important to make a backup of the configuration of the firewall.
C: All unneeded ports should be closed, and all unneeded services should be denied.References:
Harris, Shon, All In One CISSP Exam Guide, 6th Edition, McGraw-Hill, New York, 2013, p. 643


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