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)

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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)

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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)

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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

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5
Q

How many channels are available for the 5 GHz band?

a) 11
b) 13
c) 14
d) 24

A

d) 24

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