Answer:
1. Clients and servers—how services such as e-mail and web pages connect using networks.
2. IP addresses—how devices on a network can be found.
3. Network hubs, switches and cables—the hardware building blocks of any network.
4. Routers and firewalls—how to organize and control the flow of traffic on a network.
The answer B. a switchboard
It should be the Sixth generation
True, the computer will read from, say, a blu-ray and then transfer it to your RAM to before writing it to your hard drive and then, through the various other wonders of computers, it can be displayed on your monitor.
