-Internet: an interconnected network of thousands of networks
-TCP/IP: Transmission Control Protocol/Internet Protocol
-Routers: Host system
-IP: address for packers
-DNS: (Domain Name System) the host uses this and it translates IP addresses into a string of names.
-username: person's mailbox
-hostnames: name of the host computer and is followed by one or more domains seperated by period like host.domain
-Direct (dedicated) connection: computer has its own IP address and is attached to a LAN
-Dialup Connection: limited connection using a modem
-satellite connection provides connection using direcTV satellite dishes.
-Internet Service Providers: provide connections through local telephone lines
2. It links academic, research, government, and commerical institutions. On top of that it connects computer to about every country in the world. It is growing too fast to measure its growth, it is decentralized, and does not have boundaries.
3. TCP IP or the transmission Control Protocol/Interner Protocol is the heart of the internet. It allows cross network communication. It also breaks messages into packets ( each packet has all the information needed to travel from network to network)
4. This is a very important question because lets say that the network is not secure then you can't order anything online or else your data would be vulnerable.
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