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Email : A Modern Form Of Communication

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• Email Email is a modern form of communication, you start by typing a message, include an email address for the recipient, after you click send the computer packages the email up, stamps on a IP destination and IP source on the packet, it is then sent to your router, which will forward it to the Worldwide web, - WAN (series of interconnected devices over a massive geographical location), it then goes to the first server where it is checked and sent to the next server, where it is forwarded to the router of the receiver, the router then checks the email packets for viruses and makes sure the firewall will accept email protocols, then it is sent to the computer where it is read It helps working by enabling people to communicate quicker and cheaper as you don’t have to pay for stamps, envelopes, and printing, like you would have to do before email. • File share File sharing is similar to emailing, except you are more likely to share a file with somebody else on your network, although it is possible to send files out of your network. 1 way of starting a file share with somebody is to start a 3 way handshake – this is where the sender sends out a TCP packet to the possible destination to check its there and if it can receive a file, the destination realises it has received a packet asking if it can receive a …..MB File and sends one back saying yes I can or no I cant, the sender sends another packet saying that I know you are there and I know your situation the sender will

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