4.3.3 you are a network technician for a small corporate network. the company recently expanded to the second floor of its building. you've already installed a small networking closet on the second floor and run the necessary cables to the ports on each of the floor's fiber patch panels. you now need to connect the two networks using fiber optic cables. your task in this lab is to connect the switch in the networking closet on floor 1 with the switch in networking closet 2 on floor 2 through the fiber patch panels in each networking closet. use the following information to identify necessary connections: determine the appropriate fiber cable to connect the switches to the fiber patch panels. for the patch panel on floor 1: port 3 is transmit (tx). port 4 is receive (rx). for the patch panel on floor 2: port 1 is transmit (tx). port 2 is receive (rx). use the color coding on the end of fiber optic cables to identify which end is tx and which is rx. connector a (white or red) is tx. connector b (black) is rx. plug the switch on floor 2 into a bank 1 critical load outlet on the ups. verify the connection has been made by checking for an internet connection on any floor 2 computer.