SSCP: Systems Security Certified PractitionerDemo

By ISC · Question Mode

QuestionQ297

Network and Communications Security

Which of the following firewall implementations provides the highest level of security?

  • A Dual-homed host firewalls
  • B Screened-subnet firewalls
  • C Screened-host firewalls
  • D Packet-filtering firewalls
Explanation

A screened-subnet firewall places a DMZ between the Internet and the internal network, usually protected by separate perimeter and internal filtering controls. This layered design provides stronger isolation and defense in depth than screened-host, dual-homed host, or packet-filtering-only implementations.

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