The Physical Layer Convergence Procedure (PLCP) standards for 802.11b are based on ____.

A. DSSS
B. FHSS
C. OFDM
D. PYS

Answer: A

Computer Science & Information Technology

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Which of the following is not a valid Java identifier?

a) answer_7 b) highest$ c) anExtremelyLongIdentifierIfYouAskMe d) 2ndlevel e) thirdNumber

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Evaluate the following conditional expressions in a step-by-step manner as shown in the examples when x = 1 and y = 2.

1 AND y= 2 OR y= 3 Evaluates as True

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A firewall may also help prevent some Trojan horses from leveraging the local network through unauthorized service ports called ____.

A. back doors B. application proxies C. perimeters D. content locks

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Most Web browsers do not render the borders around empty cells.

Answer the following statement true (T) or false (F)

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