Which wireless standard allows you to channel$-$bond to increase bandwidth and uses both the $2\mathrm{.}4$ GHz and $5$ GHz frequencies?

Group of answer choices

$802\mathrm{.}11$g

$802\mathrm{.}11$a

$802\mathrm{.}11$n

$802\mathrm{.}11$ac

$802\mathrm{.}11$b