Which of the following biometric devices matches the person's blood vessels on the back of the eye for identification?
a. Facial scan
b. Hand geometry
c. Iris recognition
d. Retina scan
ANS: C
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When components are added to a container with a GridLayout, the component ________.
a. fills the next spot in the row, continuing in the first position of the next row if the current row is full b. fills the next spot in the column, continuing in the first position of the next column if the column is full c. fills in row x, column y if x and y are two integers passed to the Container method add d. fills in a random empty position in the grid
Which of the following are valid identifiers?
i. R3D3 ii. per-capita iii. phone# iv. ice_cream v. 92_aardvarks a. i, ii, iv, v b. i, iv c. i, ii d. ii, iv, v e. All are valid.
An integrated wireless NIC is used to connect the laptop to
A) A cell phone on a different cell tower B) A wired network C) An IR connection D) An IEEE 802.11 network
A PivotTable is limited to a single table of data.
Answer the following statement true (T) or false (F)