Question 1 (C4, CO2, PO2) The development of novel telematic applications and services is leading to substantial expansion in the volume of data sent across the Optical Transport Network (OTN). (i) List the role of Optical Transport Network in Next Generation Networks. (ii) Summarize the functionalities and operation of the Optical Channel (OCh). (iii) Construct and illustrate the type of Wavelength Converter schematics. (a) The data layer uses the services of the physical layer to send and receive bits over communication channels. In addition, the data link layer takes the packets it gets from the network layer and encapsulates them into frames for transmission. (iv) Summarize the operation of Spanning Tree Algorithm. (v) Relate and compare the MAC approaches in Local Area Networks