CISCO 12.5 Channel Management Quiz Flashcards
1
Q
Which of the following modulation techniques rapidly switches a signal among frequency channels?
1) DSSS
2) FHSS
3) OFDM
4) OFDMA
A
2) FHSS
(Frequency Hopping Spread Spectrum)
2
Q
Which of the following modulation techniques spreads a signal over a larger frequency band?
1) DSSS
2) FHSS
3) OFDM
4) OFDMA
A
1) DSSS
(Direct Sequence Spread Spectrum)
3
Q
Which of the following modulation techniques is used in the new 802.11ax standard?
1) DSSS
2) FHSS
3) OFDM
4) OFDMA
A
4) OFDMA
(orthogonal frequency-division multiple access)
4
Q
How many channels are available for the 2.4 GHz band in Europe?
a) 11
b) 13
c) 14
d) 24
A
b) 13
5
Q
How many channels are available for the 5 GHz band?
a) 11
b) 13
c) 14
d) 24
A
d) 24