Big Data Hadoop MCQs Quiz Multiple Choice Questions & Answers

1. Hadoop is a framework that works with a variety of related tools. Common cohorts include

1. MapReduce, Hummer and Iguana
2. MapReduce, Heron and Trumpet
3. MapReduce, Hive and HBase
4. MapReduce, MySQL and Google Apps

2. Hadoop was named after?

1. Cuttings high school rock band
2. A sound Cuttings laptop made during Hadoops development
3. Creator Doug Cuttings favorite circus act
4. The toy elephant of Cuttings son

3. All of the following accurately describe Hadoop, EXCEPT:

1. Distributed computing approach
2. Real-time
3. Open source
4. Java-based

4. __________ can best be described as a programming model used to develop Hadoop-based applications that can process massive amounts of data

1. Oozie
2. All of the mentioned
3. MapReduce
4. Mahout

5. Facebook Tackles Big Data With _______ based on Hadoop

1. ProjectData
2. ProjectBid
3. Project Prism
4. Prism

6. A platform for constructing data flows for extract, transform, and load (ETL) processing and analysis of large datasets is

1. Pig
2. Pig Latin
3. Oozie
4. Hive

7. Hive also support custom extensions written in :

1. C++
2. Java
3. C
4. C#

8. _________ hides the limitations of Java behind a powerful and concise Clojure API for Cascading.

1. Hcatalog
2. Hcalding
3. Scalding
4. Cascalog

9. ________ is the most popular high-level Java API in Hadoop Ecosystem

1. Cascalog
2. Cascading
3. Scalding
4. Hcatalog

10. The Pig Latin scripting language is not only a higher-level data flow language but also has operators similar to :

1. SQL
2. Jquery
3. JSON
4. XML

11. _______ jobs are optimized for scalability but not latency.

1. Hive
2. Oozie
3. Mapreduce
4. Drill

12. The information mapping data blocks with their corresponding files is stored in

1. Job Tracker
2. Task Tracker
3. Namenode
4. Datanode

13. The fully distributed mode of installation(without virtualization) needs a minimum of

1. 3 physical machines
2. 4 physical machines
3. 1 physical machine
4. 2 physical machines

14. In HDFS the files cannot be

1. excuted
2. archived
3. read
4. deleted

15. When a jobTracker schedules a task is first looks for

1. Any node on the rack adjacent to rack of the datanode
2. Just any node in the cluster
3. A node with empty slot in the same rack as datanode
4. Any node on the same rack as the datanode

16. The datanode and namenode are, respectiviley, which of the following?

1. Both worker nodes
2. both master nodes
3. Worker and Master nodes
4. Master and Worker nodes

17. All the files in a directory in HDFS can be merged together using which of the following?

1. merge all
2. get merge
3. put merge
4. remerge

18. The HDFS command to create the copy of a file from a local system is which of the following?

1. copyfromlocal
2. copylocal
3. copyFromLocal
4. CopyFromLocal