a. Discuss the key performance indicators in data communication that stimulate network performance measures. b. To prove your knowledge as transmission planning engineer in AIT telecom Unit, you are show that values of U which approaches one (1) brings about delay. Analyze this by a delay curve or graph. Choose values of U from 0.0 to 1.0 and D from 1 to 10. c) With the aid of suitable diagrams discuss the LAN Topologies available in data communication.

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