- Clients and servers鈥擧ow services such as e-mail and web pages connect using networks.
- IP addresses鈥擧ow devices on a network can be found. Each device on a network has an IP address assigned by a server.
- Network hubs, switches and cables鈥擳he hardware building blocks of any network.
- Routers and firewalls鈥擧ow to organize and control the flow of traffic on a network.
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