four Clarify how congestion control, gradual begin and quick retransmit mechanisms have an effect on the effectivity of TCP in cell environment. (3 Marks) SECTION B(5 marks) 5. Answer all the following questions: iii) Designing of the Mobile Ad hoc Networks the usage of the routing protocols is a difficult mission due to dynamic conduct of the community and no predefined infrastructure. Justify your answer: (2 Marks) iv) Describe the following: d. Categories of MANET (1 Mark) e. Characteristics of MANET (1 Mark) f. Challenges in MANET

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