Question

A helpdesk operator is troubleshooting communications between devices in the same location, but one is having issues communicating with the others. Which of the following will have issues?

A$.$Host A: IP: $192\mathrm{.}168\mathrm{.}1\mathrm{.}10,$ Mask: $255\mathrm{.}255\mathrm{.}255\mathrm{.}0$

B$.$Host B: IP: $192\mathrm{.}168\mathrm{.}1\mathrm{.}11,$ Mask: $255\mathrm{.}255\mathrm{.}255\mathrm{.}0$

C$.$Host C: IP: $192\mathrm{.}168\mathrm{.}1\mathrm{.}21,$ Mask: $255\mathrm{.}255\mathrm{.}0\mathrm{.}0$

D$.$Host D: IP: $192\mathrm{.}168\mathrm{.}0\mathrm{.}10,$ Mask: $255\mathrm{.}255\mathrm{.}255\mathrm{.}0$