The static biometric is not as secure as the dynamic biometric, because the device could be random and not registered in the network, and the generated data from the scanner is less encrypted than for the dynamic biometric.
Explanation:
Biometrics are computer devices that read human or animal biological analog features and convert them into digital data. The static and dynamic biometric scanners are used in a network to authenticated account users. The dynamic biometric is registered in the network and sends encrypted data to the server, but the static biometric is not a registered device in the network.
Answer A, because, metropolitan area network is a network within a city or town and wide area network usually connects many cities. So, both C & D are spread on a wide area.
