If you have some time, I suggest you read http://www.amazon.com/Computer-Networks-Edition-Andrew-Tanenbaum/dp/0132126958 http://www.amazon.com/Computer-Networks

If you have some time, I suggest you read http://www.amazon.com/Computer-Networks-Edition-Andrew-Tanenbaum/dp/0132126958 http://www.amazon.com/Computer-Networks-Edition-Andrew-Tanen... You might also want to follow a CCNA course online.