
that delivers packets in sequence, as happens on an actual 
Wide area network - A data communications network that spans any distance and is usually provided by a public carrier (such as a telephone company or service provider).
Network cables connect PCs in an Ethernet network Category 5, called "Cat5" for short is commonly used type of network cable today.
Cat 5 cables are tipped with 
| 1 | 1 | 
| 2 | 2 | 
| 3 | 3 | 
| 6 | 6 | 
| 1 | 3 | 
| 2 | 6 | 
| 3 | 1 | 
| 6 | 2 | 
