Multiple Choice
To transmit very rapidly in RADIO,you need ________.
A) single-frequency transmission
B) single-mode transmission
C) multimode transmission
D) wide bandwidth
E) narrow bandwidth
Correct Answer:

Verified
Correct Answer:
Verified
Q2: Wireless network standards operate at _.<br>A)the data
Q3: Spread spectrum transmission is used in WLANs
Q4: (From the box,"Controlling 802.11 Transmission")CSMA-CA+ACK is _.<br>A)efficient<br>B)inefficient
Q5: There is less interference in the 2.4
Q6: Which of the following uses OFDM?<br>A)802.11g.<br>B)802.11n.<br>C)Both A
Q8: 802.11n may offer a rated speed of
Q9: To transmit data very rapidly,you would want
Q10: Which of the following is true?<br>A)An 802.11n
Q12: Frequency is measured in terms of _.<br>A)nanometers<br>B)hertz<br>C)Both
Q46: Radio has more reliable transmission than UTP.