BARI Assistant Maintenance Engineer November 2025 – Written question & solution

Questions from the BARI Assistant Maintenance Engineer recruitment exam, November 2025 – Written, shared by the candidates who sat it. The paper: 29 written questions. So far 27 written questions have been shared. Topics include Computer Networks, Computer Basics, DBMS, Operating System and Network Security.

Written (27)

  1. How many Layers of OSI?
  2. Which protocol is used for mapping between MAC and IP addresses?
  3. How many bits is an MD5 hash?
  4. Write down the full form of LDAP?
  5. MOOC stands for ________.
  6. DNS Port Number?
  7. Which is Class C Default Subnet Mask?
  8. What is the formula for the maximum number of valid hosts in a network?
  9. How to check the IP address in the Windows Command Prompt?
  10. How many bits are in a MAC address?
  11. What is HTML Image tag?
  12. Which protocol is used by the ping tools?
  13. Given IP address 10.2.3.20/22 find the Total valid Host address in this IP?
  14. BGP is ________ protocol.
  15. Connection between Public IP to Private IP is called ________.
  16. IEEE ____ standard is used for Ethernet LAN.
  17. What is the logical design of a database called?
  18. What is the complexity of the Binary Search algorithm?
  19. The ____ swaps process in and out of the memory.
  20. SUM, Avg, Max: these functions are a subset of ______ functions.
  21. Striping with parity is done in which level of RAID.
  22. Given, n(A)= 20, n(B)= 30 and n(A∪B) = 40 what is n(A∩ B)?
  23. Which client is used to securely connect to a remote server?
  24. Which file is needed by init to get the default run level?
  25. Which server can be used to dynamically assign IP addresses to the PCs in a LAN?
  26. FIFO is used in which data structure?
  27. What is the name of the connector used for copper cable in a LAN?

Other papers for this post