Answer:
Decrease the power level of wireless access point
Step-by-step explanation:
To limit unauthorized individuals from using the corporate guest wireless from outside the building, you have to reduce the signal strength.
This can be done by decreasing power levels on wireless access point.
WAP (wireless access point) can be configured so that it transmits signals in different power level. WAP power levels usually range from 2.4 GHz to 5 GHz.