MRA Assistant Maintenance Engineer 2022 – Written question & solution

Questions from the MRA Assistant Maintenance Engineer recruitment exam, 2022 – Written, shared by the candidates who sat it. The paper: 8 written questions. So far 8 written questions have been shared. Topics include Network Security, Computer Architecture, Computer Networks, Software Engineering and Digital Logic.

Written (8)

  1. What is Digital signature? Explain shortly.
  2. Write down the difference between Black box and white box testing.
  3. Write down the difference between SRAM and DRAM.
  4. An end system sends 50 packets per second using the User Datagram Protocol (UDP) over a full duplex 100 Mbps ethernet LAN connection. Each…
  5. What is the channel capacity for a teleprinter channel with a 300 Hz bandwidth and a signal-to-noise ratio of 3 dB?
  6. Write down the difference between Active and Passive attack.
  7. Explain four type of register.
  8. Design a 8×1 MUX and explain working procedure.