MCASemester 32021-22Big DataKCA-022
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Big Data (KCA-022) - AKTU Question Paper 2021-22

MCA · Semester 3 · Free PDF Download

This is the official AKTU Big Data Previous Year Question Paper for MCA Semester 3, academic session 2021-22. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:MCA
Semester:Semester 3
Session:2021-22
University:AKTU / UPTU

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Questions Asked in 2021-22

Big Data (KCA-022) — complete question paper

Section AAttempt all q u e s t i o n s i n b r i e f . 2 x 10 = 20
  • a
    List down various Big Data Platforms. 2 1
  • b
    List down the characteristics of Big Data Applications. 2 1
  • c
    What do you understand by Map-Reduce? 2 2
  • d
    List down five characteristics of Big Data. 2 2
  • e
    What are the advantages of Hadoop? 2 3
  • f
    Explain the difference between structure and unstructured data . 2 3
  • g
    Explain Avro data serialization technique in MapReduce. 2 4
  • h
    What is Name node & Data node in Hadoop Architecture. 2 4 i. What is Apache Spark? 2 5 j. Difference between HDFS and Hbase. 2 5
Section BAttempt any three o f t h e f o l l o w i n g :
  • a
    What are the benefits of Big Data? Discuss challenges under Big Data. How Big Data Analytics can be useful in the development of smart cities
  • b
    What is HDFS? Illustrate the major blocks in HDFS architectu re. 10 2
  • c
    Show on how a client read and write data in HDFS, Give an ex ample code. 10 3
  • d
    What are NoSQL databases? What are the different types of N oSQL databases?
  • e
    What are the main tools used in Hadoop eco system? 10 5
Section CAttempt any one p a r t o f t h e f o l l o w i n g :
  • a
    What is Big data? Describe the main features of a big data i n detail. 10 1
  • b
    What are privacy and ethical issues with Big Data? 10 1
  • a
    What are the components of Hadoop. Discuss any two component in detail. 10 2
  • b
    With a neat diagram, describe the steps of Map reduce parall el data flow. 10 2
  • a
    How does HDFS ensure data integrity in a Hadoop cluster? 10 3
  • b
    What is Avro file based data structure. Illustrate with an e xample. 10 3
  • a
    Which are the important features of MongoDB? Define Namespac e in MongoDB
  • b
    Discuss Hadoop YARN in detail w ith failures in classic Map-reduce. 10 4
  • a
    Discuss the concept of regions in HBase and Storing Big data with HBase. 10 5
  • b
    Explain any three HiveQL DDL command with its syntax and exa mple. 10 5

Question text is extracted from the official AKTU question paper PDF above. Hindi translations are omitted — every question is printed in English in the original paper. Last verified: 2026-08-23.

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