BTCL Assistant Manager (Technical) 2021 – Written (BUET) question & solution

Questions from the BTCL Assistant Manager (Technical) recruitment exam, 2021 – Written (BUET), shared by the candidates who sat it. The paper: 8 written questions. So far 8 written questions have been shared. Topics include Computer Networks, Coding and Electronics.

Written (8)

  1. For the following description of various IP networking protocols write down the protocol name and its full form in the following table…
  2. Answer the following: Question Answer (i) 192.168.10.0/23, How many usable address? (ii) 192.168.10.0/23, Find subnet mask. (iii)…
  3. Given an integer number the following C program finds the sum of the digits of the number using recursion. You need to complete the…
  4. Assuming ideal op amps, find the voltage gain V₀/Vᵢ of the following circuit.
  5. Assume a TDMA based communication system having 8 transmission receiver pairs. Each source is sampled at 8KHz. That generates 16bits per…
  6. A PCM system has a step resolution of 2V. Sinusoidal signal amplitude 10V. SNR=? And total number of bits=?
  7. Where are the low loss transmission windows of silicon based optical fiber and Which window is the most popular in communication and wave…
  8. A 1550nm fiber optic transmission Link if of 50km length without repeating with a signal mode fiber having loss of 0.2dB/km. The fiber is…

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