1
Q
FHSS
A
- frequency hopping spread spectrum
- uses all frequencies in the band, hopping between different ones
2
Q
DSSS
A
- direct sequence spread spectrum
- 11 overlapping channels
- 3 channels don’t overlap
3
Q
OFDM
A
orthogonal frequency division multiplexing
4
Q
CSMA/CA
A
Carrier Sense Multiple Access/Collision Avoidance
- listen for clear medium
- wait random time
- listen again, if clear, send
- wait for ack
CCNA
flashcards
Decks in class (12)
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