Monday, November 23, 2009

Practice Question Implicit Deny

Which one of the following describes the principle of implicit deny?

  A. Denying all traffic between networks
  B. Denying all traffic unless it is specifically granted access.
  C. Granting all traffic to network unless it is explicitly granted.
  D. Granting all traffic unless it is explicitly denied.

Answer below.

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CompTIA Security+: Get Certified Get Ahead: SY0-201 Study Guide

Answer: B. Implicit deny indicates that unless something (such as traffic on a network) is explicitly allowed, it is denied. It isn’t used to deny all traffic, but instead used to deny all traffic that isn’t explicitly granted or allowed.