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Web Technology Unit 4 – Enterprise JavaBeans, Node.js and MongoDB: important questions for AKTU

Unit 4 (Enterprise JavaBeans, Node.js and MongoDB) questions that AKTU repeats most often. This unit carries about 38 marks per paper. Start with the repeated questions, then the most asked topics.

Most repeated Unit 4 questions

  • What are ‘Exceptions’ and how they are ‘Handled’ in Java? Explain the keywords try, catch, throw, throws with a suitable example. (10 marks, 2023, Core Java Web Foundations (Legacy Papers)) – also asked in 2018, 2022, 2019, 2021
  • How exceptions are handled in java? Explain in detail with examples. (10 marks, 2022, Core Java Web Foundations (Legacy Papers)) – also asked in 2018, 2021, 2019, 2023
  • What is EJB, also discuss its Architecture. Differentiate between Java Bean and EJB. (10 marks, 2023, Enterprise JavaBeans (EJB)) – also asked in 2020, 2021, 2018

Most important Unit 4 topic

  • Core Java Web Foundations (Legacy Papers) (Unit 4: Enterprise JavaBeans, Node.js and MongoDB) – asked 23 times in 2018, 2019, 2020, 2021, 2022, 2023

Most asked Unit 4 topics

  • Core Java Web Foundations (Legacy Papers) – asked 23 times
  • Java Database Connectivity (JDBC) (Legacy Papers) – asked 10 times
  • Java AWT and Applets (Legacy Papers) – asked 7 times

More Unit 4 previous year questions

  • Define a Stateless session bean. (2 marks, 2026, Enterprise JavaBeans (EJB))
  • Describe sorting and join operations in MongoDB with practical use cases. (7 marks, 2026, Node.js with MongoDB)
  • Explain creating a RESTful API using Node.js with a sample example. (7 marks, 2026, Express Framework and RESTful APIs)
  • Design a Node.js application using MongoDB that performs CRUD operations. (7 marks, 2026, Node.js with MongoDB)
  • What is a JavaBean? (2 marks, 2025, JavaBeans)

Unit 4 syllabus topics

  • Core Java Web Foundations (Legacy Papers)
  • Java AWT and Applets (Legacy Papers)
  • Java Database Connectivity (JDBC) (Legacy Papers)
  • JavaBeans
  • Enterprise JavaBeans (EJB)
  • Node.js Fundamentals
  • Express Framework and RESTful APIs
  • PHP Server-Side Scripting (Legacy Papers)
  • Node.js with MongoDB