3401
During an authorized retail-company assessment (RET-LAB-M12-3401), which statement most accurately defines "network firewall"?
View answer choices
- Coordinated preparation, detection, analysis, containment, eradication, recovery, and improvement after incidents.
- Identification and evaluation of threats, vulnerabilities, likelihood, and impact to support treatment decisions.
- A control that permits or denies network flows according to defined policy and state.
- Layering independent preventive, detective, and corrective controls so one failure is not decisive.