Big Data MCQ Questions And Answers
This section focuses on "Big Data" in Hadoop. These Multiple Choice Questions (MCQ) should be practiced to improve the Hadoop skills required for various interviews (campus interviews, walk-in interviews, company interviews), placements, entrance exams and other competitive examinations.
1. Data in ___________ bytes size is called Big Data.
A. Tera
B. Giga
C. Peta
D. Meta
View Answer
Ans : C
Explanation: data in Peta bytes i.e. 10^15 byte size is called Big Data.
2. How many V's of Big Data
A. 2
B. 3
C. 4
D. 5
View Answer
Ans : C
Explanation: There are 3 v's of bigdata : Velocity, Variability, Variety and Volume.
3. Transaction data of the bank is?
A. structured data
B. unstructured datat
C. Both A and B
D. None of the above
View Answer
Ans : A
Explanation: Data which can be saved in tables are structured data like the transaction data of the bank.
4. In how many forms BigData could be found?
A. 2
B. 3
C. 4
D. 5
View Answer
Ans : B
Explanation: BigData could be found in three forms: Structured, Unstructured and Semi-structured.
5. Which of the following are Benefits of Big Data Processing?
A. Businesses can utilize outside intelligence while taking decisions
B. Improved customer service
C. Better operational efficiency
D. All of the above
View Answer
Ans : D
Explanation: All of the above are Benefits of Big Data Processing.
6. Which of the following are incorrect Big Data Technologies?
A. Apache Hadoop
B. Apache Spark
C. Apache Kafka
D. Apache Pytarch
View Answer
Ans : D
Explanation: Apache Pytarch is incorrect Big Data Technologies.
7. The overall percentage of the world’s total data has been created just within the past two years is ?
A. 80%
B. 85%
C. 90%
D. 95%
View Answer
Ans : C
Explanation: The overall percentage of the world’s total data has been created just within the past two years is 90%.
8. Apache Kafka is an open-source platform that was created by?
A. LinkedIn
B. Facebook
C. Google
D. IBM
View Answer
Ans : A
Explanation: Apache Kafka is an open-source platform that was created by LinkedIn in the year 2011.
9. What was Hadoop named after?
A. Creator Doug Cutting’s favorite circus act
B. Cuttings high school rock band
C. The toy elephant of Cutting’s son
D. A sound Cutting’s laptop made during Hadoop development
View Answer
Ans : C
Explanation: Doug Cutting, Hadoop creator, named the framework after his child’s stuffed toy elephant.
10. What are the main components of Big Data?
A. MapReduce
B. HDFS
C. YARN
D. All of the above
View Answer
Ans : D
Explanation: All of the above are the main components of Big Data.
Discussion