The two challenges we faced were in the Wireless Coverage & the Traffic management of the Guest traffic . we Could Successfully Solve the two issues by expanding the Wireless Infrastructure After doing heat Map Survey &  using the FortiGate Access Points in addition to utilizing the Existence of  Fortinet UTM as a wireless controller from one side & applying the Traffic Shaping to organize the Guest traffic Bandwidth in addition to isolating the Guest Traffic from the Staff Infrastructure using VLAN & Firewall Zones with strict Forward Policies