Identify a drawback of biometrics.
a. Requires a very high initial investment.
b. Does not provide a high degree of confidence in user identity.
c. Requires the user to remember complex numeric passwords.
d. Increases password administration costs.
a. Requires a very high initial investment.
In the United States, many banks and financial services companies have been reluctant to impose additional requirements for authentication because they don't want to add additional steps (and time) to the checkout process. In the future, systems may be upgraded to use biometrics (technology that measures and analyzes human physical characteristics such as eye retinas, fingerprints, or voice patterns for security purposes); however, this approach is not currently considered economical for retail applications.
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