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Group 5, 1.Define the computer network., Explain how LANs and WANs…
Group 5
- Describe how networking technologies are changing the home environment.
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- Describe how host devices can be used as client, server, or both
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Client/Server Networks
a communications model in which multiple client programs share the services of a common server program.
- Describe the types of rules that are necessary to successfully communicate
a) Source or sender
-Message source or sender are people,who need to communicate with another individual using electronic devices
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- Explain why protocols are necessary in network communication
Networking protocols define a common format and sets of rules on how to exchange messages between electronic devices
- Describe the four basic requirements of a reliable network.
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b. Scalability
Additional user & whole network can be connected to the internet without degrading performance for existing user
Create scalability model
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Can expand quickly to support new users and applications without affecting the performance of the service being delivered to existing users.
Unified modeling language (UML) profiling mechanisms in which existing UML models are decorated with the essential scalability properties.
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a. Fault Tolerance
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enables quick recovery when such a failure occurs. It depend on multiple paths between the source and destination of a message.
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- Explain how LANs and WANs interconnect to the internet.
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LANs
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LANs almost always use Ethernet, WiFi, or both in order to connect devices within the network.
WANs
☞WANs can connect through copper wires, fiber optic cables, and wireless transmission
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☞WANs can facilitate communication, the sharing of information and much more between devices from around the world through a WAN provider.
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