You$$ve been tasked with deploying an $802\mathrm{.}11$ac wireless access point; however, you want to make sure it$$s compatible with all of your current wireless devices on your network. In addition to $802\mathrm{.}11$ac devices, which of the following $802\mathrm{.}11$ standards are compatible with this new wireless access point?

$802\mathrm{.}11$a

$802\mathrm{.}11$ b

$802\mathrm{.}11$ g

$802\mathrm{.}11$ c