Certmaster CE Security+ Domain 3.0 Security Architecture 2025 – 400 Free Practice Questions to Pass the Exam

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What is the major implication of a fail-open configuration in an intrusion prevention system?

It will block all traffic

It will allow no traffic

It will allow all traffic

A fail-open configuration in an intrusion prevention system (IPS) is designed to maintain system availability and continuity in the event of a failure. This means that when the IPS encounters an issue or has a malfunction, it will default to a state that permits all traffic to pass through unimpeded. This is particularly critical for ensuring that essential network operations continue without interruption, as blocking traffic during a failure could lead to significant disruptions in service or access.

In practical terms, this configuration prioritizes operational resilience over security during failure scenarios, allowing for uninterrupted service but exposing the network to potential threats during these times. The essence of a fail-open system is that its primary focus is on maintaining access rather than enforcing security when the system cannot function as intended.

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It will selectively allow traffic based on security tags

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