A channel has more bandwidth than is necessary given data transmission speeds requirements in ________ transmission.
A) normal radio
B) reliable commercial
C) spread spectrum
D) licensed
Correct Answer:
Verified
Q21: WLANs normally use _.
A) licensed bands
B) unlicensed
Q30: 802.11 standards are being developed to work
Q32: Access points take _ from wireless devices
Q34: In unlicensed bands,_.
A) you can use radios
Q36: Companies are moving to the 5 GHz
Q37: The 5 GHz band usually supports about
Q42: _ have SSIDs.
A) Wireless clients
B) Wireless access
Q44: To use an access point,you need to
Q53: Which of the following uses OFDM?
A) 802.11ac
B)
Q59: Spread spectrum transmission is used in WLANs
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