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WorksheetsHadoop BigData
Total questions: 20
Worksheet time: 10mins
1.which file is used for updating MapReduce settings?
core-site
mapred-site
hdfs-site
hadoop-env.sh
2.Pig is a
Data flow langauge
scheduling engine
shuffler
Import export tool
3.Hadoop is __________ based flat structure
datanode
node
name node
master node
4.YARN is responsible for ___________
hadoodp
cloud management
cluster management
Both A and B
5.Who created the hadoop?
dennis ritchie
james goasling
Doug Cutting
Carlo strozzi
6.Doug cutting devloped an open-source version of MapRduce system called___________________
HDFS
MapReduce
Hadoop
YARN
7.Which ecosystem project is ideal for use when we have multiple MapReduce and Pig programs to run in a sequence?
Pig
Oozie
Sqoop
Hive
8.What are the two components of Hadoop?
Hadoop and YARN
Hadoop and Sqoop
Hadoop and Shuffler
Hadoop and MapReduce
9.Sqoop is used to query HDFS data.
true
false
10.A typical block size used by HDFS is ________
32MB
128MB
64MB
8MB
11.HDFS can be deployed on____________
high cost hardware
low cost software
high cost software
low cost hardware
12.What does Job Tracker do?
Stores metadata
Stores of block data
Acts as a mini reducer
Coordinates and schedules the job
13. HDFS has a _________ /_______ architecture.
Master
AI
slave
Both A and C
14. The Blocks of a file are replicated for ____________
Bilateral tolerances
Unilateral tolerances
Compound tolerances.
Fault tolerances.
15. HDFS is built using the _________ language.
Java
C++
C#
Python
16. RDBMS supports _____ data formats.
unstructured
structured
semi structured
All th above
17. DataNode is responsible for ________ file operation
Read only
Write only
Read / Write
View only
18. ______ is the bookkeepper of HDFS.
NameNode
DataNode
SecondaryNode
None of the above
19. Hadoop 2.x is based on ___________ architecture.
Pig
Oozie
YARN
MapReduce
20. There is a single _______ per slave node.
JobTracker
Sqoop
TaskTracker
All the above
