If a signal has a strength of 100 mW at 10 meters,how strong will it be at 100 meters?
A) about 10 mW
B) about 1 mW
C) about 0.1
D) none of the above
Correct Answer:
Verified
Q13: Frequency is measured in terms of _.
A)
Q14: Compared to wired transmission,propagation problems in radio
Q15: Simple installation rules are sufficient to reduce
Q16: Most wireless systems operate in the _
Q17: Wireless radio transmission speed is usually measured
Q19: We use the terms Wi-Fi and _
Q20: In a Wi-Fi LAN,wireless hosts generally send
Q21: WLANs normally use _.
A) licensed bands
B) unlicensed
Q22: What is the bandwidth of a channel
Q23: Signals in a transmission usually _.
A) travel
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