31) Listed below are four general means of authenticating a user's identity, which can be used alone or in combination, provide two examples of each mean. a) Something the individual knows b) Something the individual possesses: c) Something the individual is (static biometrics): d) Something the individual does (dynamic biometrics): 20 points 32) Explain the following attacks and provide the countermeasure for each on of then: a) Specific Account Attack The standard countermeasure b) Workstation Hijacking The standard countermeasure C)Password Guessing Against single user The standard countermeasure