Combined Bank Officer (IT) July 2026 – Written question & solution

Questions from the Combined Bank Officer (IT) recruitment exam, July 2026 – Written, shared by the candidates who sat it. The paper: 20 written questions. So far 20 written questions have been shared. Topics include Digital Logic, Bangla, English, Computer Networks and Network Security.

Written (20)

  1. Focus Writing in Bangla (10 Marks): "বাংলাদেশের ব্যাংকিং খাতে খেলাপি ঋণ: কারণ, প্রভাব ও উত্তরণের উপায়"
  2. Focus Writing in English (10 Marks): "The Role of Sustainable Banking in Achieving the UN Sustainable Development Goals (SDGs) in…
  3. Translate the following passage into English (10 Marks): "এক ক্ষুধার্ত শিয়াল একটি আঙুর ক্ষেতের পাশ দিয়ে যাচ্ছিল।উঁচুতে ঝোলানো আঙুর দেখে…
  4. Translate the following passage into Bangla (10 Marks): "The boy found a lost wallet on his way to school. Instead of keeping it, he…
  5. General Knowledge (10 Marks): 5.1 Which river is known as the "Lifeline of Bangladesh"? 5.2 What is the name of the international…
  6. An organization has been assigned the IPv4 network address 192.168.1.0/24. As part of the network deployment, the network administrator is…
  7. Differentiate between a Fuse and a Miniature Circuit Breaker (MCB). Which one is more suitable for modern office electrical installations…
  8. Explain the working principle of a PN junction diode. Draw its symbol and describe the difference between forward bias and reverse bias.
  9. Differentiate between a Computer Virus and a Computer Worm based on how they spread and replicate across host networks.
  10. Draw the circuit schematic diagrams to build an Exclusive-OR (XOR) logic function using only universal NAND gates.
  11. What is the difference between a Multiplexer and a Demultiplexer? Explain one practical application of each in digital systems.
  12. Explain the concepts of Inheritance and Polymorphism in Java. Write a Java program to demonstrate method overriding.
  13. Describe any two key differences between the HTTP GET and HTTP POST methods used for communication between a web browser and a web server.
  14. A physical server has 32 CPU cores, 96 GB RAM, and 4 TB storage. Each virtual machine (VM) requires 4 CPU cores, 16 GB RAM, and 500 GB…
  15. What is JDBC? Explain the steps required to connect a Java application to a MySQL database.
  16. Describe the SQL Injection and Cross-Site Scripting (XSS) web security threats and suggest preventive measures for each.
  17. Describe the functions of a Switch and a Router and explain two key differences between these networking devices.
  18. A system has three processes with the following arrival times and CPU burst times: Using the First-Come, First-Served (FCFS) CPU…
  19. An institute wants to create a database table named STUDENT to store student information. The table should include the columns Roll…
  20. A software company has been hired to develop an Online Library Management System for a university. The librarian wants the system to be…

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