Wi$-$Fi access points are identified by their service set identifier, which is a string of only $16$ octets.

a$.$ Depends if the $802\mathrm{.}11a$ or $802\mathrm{.}11g$ standard is used.

b$.$ Depends if the $802\mathrm{.}11$ bg or $802\mathrm{.}11b$ standard is used.

c$.$ True

d$.$ False