Which of the following is true about the Bluetooth protocol stack?
A. the L2CAP sits between Baseband and RF
B. the Baseband layer lies on top of the RF layer
C. Link Manager communicates directly with the Physical Radio
D. The RF layer communicates between the Link Manager and L2CAP
Answer: B
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What size of a junction box must be used if there is one 4" conduit and two 3" conduits entering on one side of the box and exiting at a 90° angle on another side of the box? (Assume the conductor size is No. 4 AWG or larger.)
a. 30" b. 48" c. 56" d. 60"
In the following figure, suppose that output A has a positive voltage, output C has a negative voltage, and outputs B and D have zero voltage. The rotor will turn clockwise 135 degrees if
A. Output A = B. Output B = C. Output C = D. Output D = E.
____ is caused by a semiconductor’s characteristic of decreasing resistance with an increase of temperature.
a. Thermal runaway b. Thermal inversion c. Thermal conversion d. Thermal cascade
Technician A says refrigerant leaks are most common where components join together. Technician B says many manufacturers put leak-tracing dye in the refrigerant systems of new vehicles. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B