Which of the following is a variation of spread-spectrum technology use in wireless local-area networks? (Choose three.)

A) WEP
B) Wi-Fi
C) WPA - 2
D) Direct-sequence spread spectrum (DSSS)
E) Frequency-hopping spread spectrum (FHSS)
F) Orthogonal frequency-division multiplexing (OFDM)


D, E, F
Explanation: The three variations of spread-spectrum technology use in WLANs are direct-sequence spread spectrum (DSSS), frequency-hopping spread spectrum (FHSS), and orthogonal frequency-division multiplexing (OFDM); the others are not examples of spread-spectrum technology use in WLANs.
The three variations of spread-spectrum technology use in WLANs are direct-sequence spread spectrum (DSSS), frequency-hopping spread spectrum (FHSS), and orthogonal frequency-division multiplexing (OFDM); the others are not examples of spread-spectrum technology use in WLANs.
The three variations of spread-spectrum technology use in WLANs are direct-sequence spread spectrum (DSSS), frequency-hopping spread spectrum (FHSS), and orthogonal frequency-division multiplexing (OFDM); the others are not examples of spread-spectrum technology use in WLANs.

Computer Science & Information Technology

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