WIRELESS NETWORKS AND MOBILE IP
WIRELESS LANS
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Detailed explanation-1: -There are three basic types of authentication. The first is knowledge-based-something like a password or PIN code that only the identified user would know. The second is property-based, meaning the user possesses an access card, key, key fob or authorized device unique to them. The third is biologically based.
Detailed explanation-2: -Something you know – Type 1 Authentication (passwords, pass phrase, PIN etc.). Something you have – Type 2 Authentication (ID, Passport, Smart Card, Token, cookie on PC etc.). Something you are – Type 3 Authentication (and Biometrics) (Fingerprint, Iris Scan, Facial geometry etc.).
Detailed explanation-3: -Three-factor authentication (3FA) is the use of identity-confirming credentials from three separate categories of authentication factors–typically, the knowledge, possession and inherence categories.