2.4. Local Area Networks (LANs)
Local Area (and Wide Area) Networks (LANs and WANs) began to grow rapidly because of the need to access data maintained on other computers.
The ticket agent would have to acquire a logon identification from the owner of the other computer and permission to access their computer and database in order to accomplish this. Security of data became a big issue at this time, and still remains a big issue today.
LANs were created to enable the connection of one computer to another to allow users to access the data stored in the different databases on the connected computers (Figure 2-6). In the early days of networking, a computer was connected to the backbone cable. This was a thick cable that would be laid throughout ...
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