Which of the following authentication methods measure unique human characteristics to confirm identity?
A. Smart cards
B. Tokens
C. Biometrics
D. PINs
Answer: C
Explanation: Biometrics work by measuring unique human characteristics, such as fingerprint scans or retina scans, to confirm a person's identity.
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Which of the following is NOT a step in creating a one-to-many relationship?
A) Make sure the two tables have a field in common. B) Form the relationship in the Relationships window. C) Populate the foreign key by adding data to the foreign key in the many side table. D) Use the foreign key from the one side, and add it as a primary key in the many side table.
The variable n is often used in time complexities to represent:
A. the number of seconds B. the number of time complexities C. the number of elements D. the number of times a loop of an algorithm executes