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What is the coverage area from the AP if the environment and other factors are not taken into consideration?

An engineer is planning for a 24 Mbps data rate on the 5Ghz band for a new installation.

What is the coverage area from the AP if the environment and other factors are not taken into consideration?
A . 225 feet
B . 80 feet
C . 150 feet
D . 100 feet

Answer: A

Explanation:

Coverage (Cell Size)

Lower data rates can be demodulated across greater distances than higher data rates. This is because of the lower complexity encoding schemes ― the signal can be understood at a lower SNR. Enable lower data rates in order to increase the effective range of the AP; disable the lower data rates in order to decrease the effective range of the AP.

Figure 16: Coverage (Cell Size)

Reference: https://www.cisco.com/c/en/us/support/docs/wireless/5500-series-wireless-controllers/116057­site-survey-guidelines-wlan-00.html

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