You have been engaged to design a Wireless Local Area Network $($WLAN$)$ for a site you have never seen. For that reason, you want the WLAto be able to support both the $2\mathrm{.}4$ GHz and $5$ GHz frequencies. Which of the following IEEE $802\mathrm{.}11$ WLAN standards should you look for whyou are shopping for equipment that supports both frequencies? $($Choose all that apply.$)802\mathrm{.}11$a $802\mathrm{.}11$b $802\mathrm{.}11$g $802\mathrm{.}11$n