Certified Network Defender (CND) — Question 136

Which protocol could choose the network administrator for the wireless network design, if he need to satisfied the minimum requirement of 2.4 GHz, 22 MHz of bandwidth, 2 Mbits/s stream for data rate and use DSSS for modulation.

Answer options

• A. 802.11n
• B. 802.11g
• C. 802.11b
• D. 802.11a

Correct answer: C

Explanation

The correct answer is 802.11b, as it operates at 2.4 GHz, provides a bandwidth of 22 MHz, and supports a data rate of 2 Mbits/s using DSSS modulation. In contrast, 802.11g and 802.11n operate on the same frequency but have higher data rates and do not solely use DSSS, while 802.11a operates at 5 GHz, making it unsuitable for these requirements.