1 Cook pasta according to package directions. 2  Melt butter in a large skillet. 3  Gradually whisk in cream, Parmesan cheese and black pepper until smooth but not boiling. 4  Mix corn starch and water together; gradually whisk into alfredo sauce. 5  Bring to a boil over medium-low heat, stirring constantly; boil 1 minute.
Switches allow different nodes (a network connection point, typically a computer) of a network to communicate directly with one another in a smooth and efficient manner. Â­There are many different types of switches and networks.
However, the switch part of Layer 3 switch is there because: 1  The layer 3 switch looks like a switch. 2  The layer 3 switch will act like a switch when it is connecting devices that are on the same network.  The layer 3 switch is the same as a switch with the router's IP routing intelligence built in.