You are installing a wireless network in a site that has a great many $2\mathrm{.}4$ GHz wireless telephones. Which wireless networking technology can you use which will never experience interference from the telephones?

Group of answer choices

IEEE $802\mathrm{.}11$ac

IEEE $802\mathrm{.}11$b

IEEE $802\mathrm{.}11$n

IEEE $802\mathrm{.}11$g