DPDC Assistant Engineer (CSE) October 2025 – Written (BUET) question & solution

Questions from the DPDC Assistant Engineer (CSE) recruitment exam, October 2025 – Written (BUET), shared by the candidates who sat it. So far 6 written questions have been shared, and 1 written question has worked answers. Topics include Transmission medium, TCP, Tree traversal, DFS and BFS.

Written (6)

  1. Which transmission medium is used in LAN? Write their maximum length and capacity (bps)?
  2. In the TCP/IP model, how is data known in the different layers?
  3. Why DFS is better than BFS? Explain.
  4. Why agile model is better than waterfall model?
  5. A PCM system has step resolution of 2 V. Sinusoidal signal amplitude 10 V. SNR=? And total number of bits=?
  6. Explain trigger with example.