Solved

If a Radio Transmission Is Easily Blocked by Obstacles,then You

Question 42

Multiple Choice

If a radio transmission is easily blocked by obstacles,then you need to maintain ________.

A) a clear line of sight
B) spread spectrum transmission integrity
C) broadband transmission
D) deep transmission
E) shadow zone transmission

Related Questions

Q19: WLANs normally use _. A)licensed bands B)unlicensed bands

Q37: The frequency range from 500 megahertz to

Q38: 802.11a supports _ nonoverlapping channels. A)1 B)3 C)7 D)More than 10

Q39: To handle multiple conversations in radio transmission,you

Q40: (From the box,"Controlling 802.11 Transmission")Which of the

Q41: In 802.11,channel bandwidth usually is _. A)20 GHz B)40

Q44: (From the box,"Controlling 802.11 Transmission")CSMA-CA+ACK usually is

Q45: The terms channel and service band mean

Q46: Cellular telephony uses _. A)an omnidirectional antenna B)a dish

Q97: Interference is minimized in _. A)licensed bands B)unlicensed bands