Which of the following is true about infrared transmissions?
A. diffused transmission relies on reflected light
B. directed transmission has a wide-focused beam
C. they are most reliable outdoors
D. mobility is their greatest strength
Answer: A
You might also like to view...
In the AES structure both encryption and decryption ciphers begin with a(n) __________ stage, followed by nine rounds that each include all four stages, followed by a tenth round of three stages.
A. Substitute bytes B. AddRoundKey C. MixColumns D. ShiftRows
A method that performs some action other than returning a value is called a __________ method.
(a) null (b) void (c) public (d) private
Which of the following justifies the output to the left?
A. showpoint B. right C. setw(width) D. left E. fixed
Swiping up with three fingers on Mac OS X launches what?
A. Dashboard B. Mission Control C. Spotlight D. System Preferences