Chapter 20 Network Configuration and Data Exchange deleted. Adjusting a connection If users press the left mouse button while the mouse cursor hovers over a connection point which connects a network and a port, a small picture representing a trash can and a dotted line will appear. If the users release the left mouse button after they drag the connection point to the small picture representing a trash, the connection between the network and the port will be canceled. If the users drag the connection point to the dotted line, the system will connect the port to the new network added. 20-23