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Întrebare		Răspuns
Why communication is needed? începe să înveți		Networks can vary in size and complexity. It is enough to have a connextion, devices must agree on how to communicate.
Three elements to any communication? începe să înveți		Source (sender), Destination (receiver), Channel (media)
What are communications protocols? începe să înveți		All communication are governed by protocols, Protocols are the rules that communications will follow. These rules will vary depending on the protocol.
What are network protocol requirements? începe să înveți		Common computer protocols must be in agreement and include the following requirements: message encoding, message formatting and encapsulation, message size, message timing, message delivery options
What is message encoding? începe să înveți		Encoding is the process of converting information into another acceptanle form for transmission. Decoding reverses this process to interpret the information.

Methods of communication, model of relationship.