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CISSP study material · question 267 of 500

A design document lists network address translation among the firewall technologies it relies on for security. How does NIST SP 800-41 classify translation?

  1. As an intrusion prevention technology.
  2. As a firewall technology equivalent to stateful inspection.
  3. As an application-proxy technology.
  4. As a routing technology, though firewall products commonly perform it.
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Answer: D. As a routing technology, though firewall products commonly perform it.

SP 800-41 notes network address translation is sometimes thought of as a firewall technology but is actually a routing technology, even though firewalls frequently implement it.

Source: NIST SP 800-41 Rev. 1 (NIST) — SP 800-41 Rev. 1 > 2.1 Firewall Technologies

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