BIT254 Network and Data Communications
Network and Data Communications: most repeated questions
Questions that have come up in more than one paper, matched by what they ask rather than exact wording. Most repeated first.
- 3×Asked in 2081, 2080, 2079What is MAC address? The message sequence is 1011011 and generator polynomial G(X) = x³ + x² + 1. Calculate the transmitted encoded frame.Answer coming5
See the wording in each paper
- What is MAC address? The message sequence is 1011011 and generator polynomial G(X) = x³ + x² + 1. Calculate the transmitted encoded frame.TU Board 2081
- Calculate the transmitted encoded frame if the message sequence is 1001001 and generator polynomial is G(X) = x² + x + 1TU Board 2080
- What is MAC address? The message sequence is 1101011011 and generator polynomial G(X) = x^4+x+1. Calculate the transmitted encoded frame.TU Board 2079
- 2×Asked in 2081, 2079A pure ALOHA network transmits 200 bit frames using a shared channel with a 200 kbps bandwidth. Find the throughput if the system considering all stations together produces 1000 frames per second. What do you mean by vulnerable time of pure ALOHA?Answer coming5
See the wording in each paper
- A pure ALOHA network transmits 200 bit frames using a shared channel with a 200 kbps bandwidth. Find the throughput if the system considering all stations together produces 1000 frames per second.…TU Board 2081
- A slotted ALOHA network transmits 200 bit frames using a shared channel with a 200 kbps bandwidth. Find the throughput if the system considering all stations together produces 250 frames per second.…TU Board 2079
- 2×Asked in 2081, 2079Explain Frequency Division Multiplexing with required figure.Answer coming5
See the wording in each paper
- 2×Asked in 2081, 2079Explain the concept of Binary Phase Shift Keying. Represent bit sequence 111000110 by the following waveform a. NRZ I b. Differential ManchesterAnswer coming10
See the wording in each paper
- Explain the concept of Binary Phase Shift Keying. Represent bit sequence 111000110 by the following waveform a. NRZ I b. Differential ManchesterTU Board 2081
- Explain the concept of Binary Amplitude Shift Keying. Represent bit sequence 110010110 by the following waveform a. Manchester b. Differential ManchesterTU Board 2079
- 2×Asked in 2081, 2079Explain the design of Selective Repeat ARQ. Illustrate it with suitable flow diagram example.Answer coming10
See the wording in each paper