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Question:
Biometric locks identify you using a physical part of your body. Like door keys, they are regarded as physical security. Security that calls for identification and two or more methods of authentication, like a password and key fob, is called multifactor authentication. Something you are (fingerprint), something you know (passwords), something you have (key fob, smartcard), or somewhere you are (using a Wi-Fi network or GPS position and cell tower triangulation) can all be used to authentication. Logical security devices known as firewalls filter incoming and outgoing packets to allow or reject them in accordance with your chosen criteria.