Which of the following metrics is the BEST indicator of the accuracy of a biometric system? False Rejection Rate Crossing Error Rate (CER) Equal Error Rate False Acceptance Rate Crossing Error Rate (CER): This is a commonly mistaken term. The correct term is Crossover Error Rate (CER), which is essentially another term for Equal Error Rate. Post navigation What are SCADA Systems We asked the Top AI Today On Planet Earth – An Important Cybersecurity Question .