What are the relative advantages and disadvantages of basic CSMA/CA and CSMA/CA with RTS/CTS protocols? What makes you select one over the other?
What will be an ideal response?
Due to RTS/CTS packets the overhead of data transmission increases. If we have
small DATA packets then it is not worth using the RTS/CTS packets which may
increase the overhead. However, if the DATA packets are bigger in size and the
channel is heavily loaded then using RTS/CTS can prove effective.
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For some measuring processes, the uncertainty is approximately proportional to the value of the measurement. For example, a certain scale is said to have an uncertainty of ±2%. An object is weighed on this scale.
a. Given that the reading is 100 g, express the uncertainty in this measurement in grams. b. Given that the reading is 50 g, express the uncertainty in this measurement in grams.
(a) In the circuit in Fig. 4.71, calculate v? and I? when vs = 1 V. (b) Find v? and i? when vs = 10 V. (c) What are v? and I? when each of the 1-? resistors is replaced by a 10-? resistor and vs = 10 V?
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A common residential line voltage is
A) 575 volts AC B) 480 volts AC C) 230 volts AC D) 24 volts AC
The condensate drain on a rooftop unit:
A) Does not require any type of drain line. B) Is normally run through the curb to an inside drain connection. C) Does not require a trap because of the short distance. D) Must include a trap unless the unit has an integral trap.