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Computing Networks (Internet Service Providers (What to look for when…
Computing Networks
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Network Threats
Viruses
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To prevent, install ant-virus software
Hackers
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To prevent, have secure passwords and install firewalls
Data Corruption
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To prevent, back up your data
Types of Networks
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Bus Network
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All of the nodes receive a sent message, but only intended ones open it
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Steps for sending data
- The 'send' button is pressed
- Data of the message is split into packets
- An IP address is put on the packets
- The message travels across the Internet via routers
- The message arrives at its destination.
- The message is reassembled and received!
- The packets are checked to make sure all have arrived