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Data Communications & Networks Assignment 1 Signal Generation & Encoding Contents Page Task 1 a Page 3 b Page 4 c Page 4 d Page 5 Task 2 a Page 6 b Page 7 What is signalling? Signalling is a term used for the use of data being transmitted or carried across a medium for example in a network this could be a cat 5 cable. There has to be a way also for the receiver to interpret the data being sent and this is controlled by what's called "encoding" however the word "modulation" also means the same thing. The signal that is sent it modified in a way for it to signify data. There are different types of transmission methods which differ from what type of medium you are using for example cables or wireless - there are four which are listed below: 1. Electrical - uses your cables to transport data between nodes 2. Radio Waves - this would be your wireless networks and could...

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