Data created at the Application layer is passed through the Transport, Internet, and Network Interface layers where header information is added. The information then is presented to the Physical layer where it is converted into signals to be sent across the network. This process is called O Encapsulation O Signaling Transporting Tunneling 3. Write a SELECT query that shows all the columns for the catalog view that displays information about foreign keys. This requires you to go into System Views and find the stored view sys.foreign keys and write the query