A ____ performs data conversions that allow one type of protocol to communicate with another type of protocol.
A. hub
B. bridge
C. switch
D. gateway
Answer: D
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A bulge on a brake hose is ________
A) Normal only on hoses made before the mid-1960s B) Normal with silicone brake fluid C) Normal D) An indication of an internal leak
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What is the smallest gauge wire often used for residential lighting circuits?
A) 14 gauge B) 18 gauge C) 12 gauge D) 16 gauge
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Halide leak detectors will work only with __________ refrigerants.
What will be an ideal response?
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Referring to the waveforms of Figure P17.8:
a. Compute the average energy of each of the three message waveform sets. Note that for all sets the duty cycle is T = 1.
b. Compute the average RMS distance between the waveforms in each set.
c. Which waveforms would you choose for binary signaling? Why?
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