The technological changes at the turn of the twentieth century that affected American life include the rise of the internet and mobile devices. The internet signaled the opportunity for immediate access of information. Paired with mobile technology, Americans were able to communicate almost instantly.
If you can see the DTE/DCE cable, you can tell by looking which router has the DCE interface connected to it - the letters "DTE" or "DCE" will either be molded into the connector itself, or if it's an older cable there should be a little piece of tape on the cable that tells you what the interface type is.
Trojans, normal viruses, etc. Anything can and could hop on to the files you send depending on the websites and if you don't have a firewall.
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