a) Digital and analogue transmission received may differ from the signals that are transmitted due to...
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a) Digital and analogue transmission received may differ from the signals that are transmitted due to various impairment that degrade the signals quality. Explain THREE (3) most significant impairments and how these impairments affect the signal quality Ani message to Baba Baba (9 marks) Eve (eavesdropper) Figure 1. Secrecy and Authentication b) The figure 1 above shows communication between Ani and Baba. Both Ani and Baba require an authenticated and secret communications from the eavesdropper. Demonstrate how the authentication and secrecy can be achieved using the encryption method. (12 marks) a) Digital and analogue transmission received may differ from the signals that are transmitted due to various impairment that degrade the signals quality. Explain THREE (3) most significant impairments and how these impairments affect the signal quality Ani message to Baba Baba (9 marks) Eve (eavesdropper) Figure 1. Secrecy and Authentication b) The figure 1 above shows communication between Ani and Baba. Both Ani and Baba require an authenticated and secret communications from the eavesdropper. Demonstrate how the authentication and secrecy can be achieved using the encryption method. (12 marks)
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