In a wireless network, the radio signal is broadcast through the air. Therefore, what is the significance of multicasting in this context? Explain in detail.
What will be an ideal response?
When a wireless network use a common channel, only stations in the radio range
of the sender can receive the signal. Multicasting implies formation of group
members beyond the radio range so that all can receive intended message.
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Problems with automation systems come mainly from ____________________.
Fill in the blank(s) with the appropriate word(s).
Which of the following states grows the most almonds?
A) Georgia B) California C) Florida D) Texas
How have newer versions of the check valve been modified?
A) They are now part of metering devices. B) The metering devices are now inside the check valves. C) They are now insulated. D) One check valves can now connect to two metering devices.
One benefit of an indirect water heater is that the stored water provides ____ that allows the boiler to operate for longer cycles, and thus at higher efficiencies.
a. hydraulic pressure b. heat interface c. thermal circulation d. thermal mass