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Which of the following satisfies a two-factor user
authentication?
A. Iris scanning plus finger print scanning
B. Terminal ID plus global positioning system (GPS)
C. A smart card requiring the user's PIN
D. User ID along with password
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Answer: C
A smart card addresses what the user has. This is generally
used in conjunction with testing what the user knows, e.g.,
a key board password or personal identification number
(PIN). Proving who the user is usually requires a biometrics
method, such as finger print, iris scan or voice
verification, to prove biology. This is not a two-factor
user authentication because it proves only who the user is.
A global positioning system (GPS) receiver reports on where
the user is. An ID and password (what the user knows), is a
single-factor user authentication.
| Is This Answer Correct ? | 4 Yes | 1 No |
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