Question: 1. Suppose, you want to send a Code % as digital bit stream. a) Show the conversion of the digital data to digital signals

1. Suppose, you want to send a Code % as digital bit stream. a) Show the conversion of the digital data to digital signals using differential Manchester scheme, 2B1Q, MLT-3 schemes. Mention conditions & transition table. b) The signal mentioned in Q1(a) at the beginning of a cable with -VAL1 dB/km has a power of VAL2 mw, what is the power of the signal at VAL3 km? c) The signal in Q1(b) passes through 8 devices, each with an average noise of VAL4 microwatts. What is the SNR? What is the SNRdB? d) If you want send the signal in Q1(c) through a VAL5 MHz Bandwidth Channel, what will be the maximum bit rate that can be achieved in this channel? What will be the appropriate signal level? e) What is the total delay (latency) for a frame of size VAL6 million bits that is being sent on a same link as Q1(c) with each devices having a queuing time of VAL7 us and a processing time of VAL8 us? The length of the link is 2000 Km. The speed of light inside the link is 2 108 m/s. f) Suppose You have sampled the signal using VAL9 levels of quantization. a. Calculate the bit rate of the digitized signal. b. Calculate the SNR dB for this signal. c. Calculate the PCM bandwidth of this signal. 2. Design a heterogeneous network consists of three WANs and two LANS. LAN at office consists of four PC and LAN at home has only one PC. [hint: Use switched WAN, Modem, Switch, Router as connecting device] Your ID = AB-CDEFG-H Here ID = 18-38666-3 VAL1 VAL2 VAL3 VAL4 VAL5 VAL6 VAL7 VAL8 VAL9 A.C BCD CE A.E EF FG GH DH EFGH

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