List and critically explain at least five (05) security mechanisms that are important for wireless communications
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- List and critically explain at least five (05) security
mechanisms that are important for wireless communications?
Step by step
Solved in 2 steps
- A: what is a coupler in the optical fiber communication system? list all the types then explain one of them with the aid of a block diagram.Explain why line codes are used? Draw appropriate diagrams to illustrate the (a) following signalling systems: unipolar RZ (Return-to-Zero), polar NRZ (Non- Return-to-Zero) and bipolar. (b) What are the two types of repeaters used on multi-hop links? Draw a diagram for each repeater type indicating the signal and noise levels at each hop. Define the probability of error for each type after m-hops.What isolate the gate and the channel in IGFET? Choose the correct answer below: a.thick conductor b. thin conductor c. thin dielectric barrier d. thick dielectric barrier
- Communication Systems Can you explain in detail and understandable?Draw a block diagram of generalized communication system. Write the functions of each of the following: (a) Transmitter (b) Channel (c) ReceiverOptical Fibre cables are used to transmit telecommunication signals. With the aid of a diagram, explain how optical fibre cables transmit signals.