that delivers packets in sequence, as happens on an actual point-to-point
network. In reality, the data is delivered across a network via the most
appropriate route. The sending and receiving devices do not have to be aware
of the options and the route is chosen only when a message is sent. There is
no pre-arrangement, so each virtual connection exists only for the duration of
that one transmission.
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 RJ-45 connectors, which fit into RJ-45 port.
1 1 1 3
2 2 2 6
3 3 3 1
6 6 6 2