230 + Mcqs in Hadoop Page 1 McqOptions

1.	Which of the following is a multi-threaded server using non-blocking I/O?
A.	TNonblockingServer
B.	TSimpleServer
C.	TSocket
D.	None of the mentioned
Answer» B. TSimpleServer

Discussion

2.	How many algorithms mahout supports for clustering?
A.	1
B.	2
C.	3
D.	4
Answer» C. 3

Discussion

3.	The Avros class also has a _____ method for creating PTypes for POJOs using Avro’s reflection-based serialization mechanism.
A.	spot
B.	reflects
C.	gets
D.	all of the mentioned
Answer» C. gets

Discussion

4.	__________ represent the logical computations of your Crunch pipelines.
A.	DoFns
B.	DoFn
C.	ThreeFns
D.	None of the mentioned
Answer» B. DoFn

Discussion

5.	Which of the following Features of Apache Spark?
A.	Speed
B.	Supports multiple languages
C.	Advanced Analytics
D.	All of the above
Answer» E.

Discussion

6.	What is the full form of OEP?
A.	Oozie Editor Plugin
B.	Oozie Eclipse Plugin
C.	Oozie Eclipse Partition
D.	Oozie Editor Partition
Answer» C. Oozie Eclipse Partition

Discussion

7.	Which of the following is incorrect way for Spark deployment?
A.	Standalone
B.	Hadoop Yarn
C.	Spark in MapReduce
D.	Spark SQL
Answer» E.

Discussion

8.	Inline DoFn that splits a line up into words is an inner class ____________
A.	Pipeline
B.	MyPipeline
C.	ReadPipeline
D.	WritePipe
Answer» C. ReadPipeline

Discussion

9.	Hive, Pig, and Cascading all use a _________ data model.
A.	value centric
B.	columnar
C.	tuple-centric
D.	none of the mentioned
Answer» D. none of the mentioned

Discussion

10.	How many classification does Naive Bayes Classifier have?
A.	1
B.	2
C.	3
D.	4
Answer» C. 3

Discussion

11.	Which of the following format is similar to TCompactProtocol?
A.	TCompactProtocol
B.	TDenseProtocol
C.	TBinaryProtocol
D.	TSimpleJSONProtocol
Answer» C. TBinaryProtocol

Discussion

12.	When was Apache Spark developed ?
A.	2007
B.	2008
C.	2009
D.	2010
Answer» D. 2010

Discussion

13.	_____________ transport writes to a file.
A.	TNonblockingServer
B.	TFileTransport
C.	TFramedTransport
D.	TMemoryTransport
Answer» C. TFramedTransport

Discussion

14.	_____________ is a human-readable text format to aid in debugging.
A.	TMemory
B.	TDebugProtocol
C.	TBinaryProtocol
D.	TSimpleJSONProtocol
Answer» C. TBinaryProtocol

Discussion

15.	Spark is best suited for ______ data.
A.	Real-time
B.	Virtual
C.	Structured
D.	All of the above
Answer» B. Virtual

Discussion

16.	The ______________ class defines a configuration parameter named LINES_PER_MAP that controls how the input file is split.
A.	NLineInputFormat
B.	InputLineFormat
C.	LineInputFormat
D.	None of the mentioned
Answer» B. InputLineFormat

Discussion

17.	All file access uses Java's __________ APIs which give Lucene stronger index safety.
A.	NIO.1
B.	NIO.2
C.	NIO.3
D.	NIO.4
Answer» C. NIO.3

Discussion

18.	___________ executes the pipeline as a series of MapReduce jobs.
A.	SparkPipeline
B.	MRPipeline
C.	MemPipeline
D.	None of the mentioned
Answer» C. MemPipeline

Discussion

19.	__________ uses memory for I/O in Thrift.
A.	TZlibTransport
B.	TFramedTransport
C.	TMemoryTransport
D.	None of the mentioned
Answer» D. None of the mentioned

Discussion

20.	The items stored on _______ are organized in a hierarchy of widget category.
A.	HICE
B.	HICC
C.	HIEC
D.	All of the mentioned
Answer» C. HIEC

Discussion

21.	__________ is an abstraction over Apache Hadoop YARN that reduces the complexity of developing distributed applications.
A.	Wave
B.	Twill
C.	Usergrid
D.	None of the mentioned
Answer» C. Usergrid

Discussion

22.	Which of the following project will create an SOA services framework?
A.	DeltaCloud
B.	CXF
C.	DeltaSpike
D.	None of the mentioned
Answer» C. DeltaSpike

Discussion

23.	Which of the following tool is intended to be more compatible with HDT?
A.	Git
B.	Juno
C.	Indigo
D.	None of the mentioned
Answer» D. None of the mentioned

Discussion

24.	Which of the following has the core Eclipse PDE tools for HDT development?
A.	RVP
B.	RAP
C.	RBP
D.	RVP
Answer» C. RBP

Discussion

25.	Data analytics scripts are written in ____________
A.	Hive
B.	CQL
C.	PigLatin
D.	Java
Answer» D. Java

Discussion

26.	Apache Knox accesses Hadoop Cluster over _________
A.	HTTP
B.	TCP
C.	ICMP
D.	None of the mentioned
Answer» B. TCP

Discussion

27.	A ________ is a way of extending Ambari that allows 3rd parties to plug in new resource types along with the APIs.
A.	trigger
B.	view
C.	schema
D.	none of the mentioned
Answer» C. schema

Discussion

28.	HICC, the Chukwa visualization interface, requires HBase version _____________
A.	0.90.5+.
B.	0.10.4+.
C.	0.90.4+.
D.	None of the mentioned
Answer» D. None of the mentioned

Discussion

29.	The easiest way to have an HDP cluster is to download the _____________
A.	Hadoop
B.	Sandbox
C.	Dashboard
D.	None of the mentioned
Answer» C. Dashboard

Discussion

30.	Apache Hadoop Development Tools is an effort undergoing incubation at _________
A.	ADF
B.	ASF
C.	HCC
D.	AFS
Answer» C. HCC

Discussion

31.	HDT is used for listing running Jobs on __________ Cluster.
A.	MR
B.	Hive
C.	Pig
D.	None of the mentioned
Answer» B. Hive

Discussion

32.	HDT provides wizards for creating Java Classes for ___________
A.	Mapper
B.	Reducer
C.	Driver
D.	All of the mentioned
Answer» E.

Discussion

33.	_____________ is a software distribution framework based on OSGi.
A.	ACE
B.	Abdera
C.	Zeppelin
D.	Accumulo
Answer» B. Abdera

Discussion

34.	Ambari leverages ___________ for system alerting and will send emails when your attention is needed.
A.	Nagios
B.	Nagaond
C.	Ganglia
D.	All of the mentioned
Answer» B. Nagaond

Discussion

35.	Which of the following provides extendible modern and functional API leveraging SE, ME and EE environments?
A.	Sirona
B.	Taverna
C.	Tamaya
D.	Streams
Answer» D. Streams

Discussion

36.	Which of the following is a monitoring solution for hadoop?
A.	Sirona
B.	Sentry
C.	Slider
D.	Streams
Answer» B. Sentry

Discussion

37.	If demux is successful within ____________ attempts, archives the completed files in Chukwa.
A.	one
B.	two
C.	three
D.	all of the mentioned
Answer» D. all of the mentioned

Discussion

38.	Ambari provides a ________ API that enables integration with existing tools, such as Microsoft System Center.
A.	RestLess
B.	Web Service
C.	RESTful
D.	None of the mentioned
Answer» D. None of the mentioned

Discussion

39.	Collectors write chunks to logs/*.chukwa files until a __________ MB chunk is reached.
A.	64
B.	108
C.	256
D.	1024
Answer» B. 108

Discussion

40.	By default, collector’s listen on port _________
A.	8008
B.	8070
C.	8080
D.	None of the mentioned
Answer» D. None of the mentioned

Discussion

41.	REEF is a scale-out computing fabric that eases the development of Big Data applications are ___________
A.	MRQL
B.	NiFi
C.	REEF
D.	Ripple
Answer» D. Ripple

Discussion

42.	________ includes a ﬂexible and powerful toolkit for displaying monitoring and analyzing results.
A.	Imphala
B.	Chukwa
C.	BigTop
D.	Oozie
Answer» C. BigTop

Discussion

43.	_____________ is an IaaS (“Infrastracture as a Service”) cloud orchestration platform.
A.	CloudStack
B.	Cazerra
C.	Click
D.	All of the mentioned
Answer» B. Cazerra

Discussion

44.	Apache __________ is a platform for building native mobile applications using HTML, CSS and JavaScript (formerly Phonegap).
A.	Cazerra
B.	Cordova
C.	CouchDB
D.	All of the mentioned
Answer» C. CouchDB

Discussion

45.	Which of the following are a collaborative data analytics and visualization tool?
A.	ACE
B.	Abdera
C.	Zeppelin
D.	Accumulo
Answer» D. Accumulo

Discussion

46.	PostingsFormat now uses a __________ API when writing postings, just like doc values.
A.	push
B.	pull
C.	read
D.	all of the mentioned
Answer» C. read

Discussion

47.	Heap usage during IndexWriter merging is also much lower with the new _________
A.	LucCodec
B.	Lucene50Codec
C.	Lucene20Cod
D.	All of the mentioned
Answer» C. Lucene20Cod

Discussion

48.	Spark powers a stack of high-level tools including Spark SQL, MLlib for _________
A.	regression models
B.	statistics
C.	machine learning
D.	reproductive research
Answer» D. reproductive research

Discussion

49.	Apache Flume 1.3.0 is the fourth release under the auspices of Apache of the so-called ________ codeline.
A.	NG
B.	ND
C.	NF
D.	NR
Answer» B. ND

Discussion

50.	Spark is engineered from the bottom-up for performance, running ___________ faster than Hadoop by exploiting in memory computing and other optimizations.
A.	100x
B.	150x
C.	200x
D.	None of the mentioned
Answer» B. 150x

Discussion

Explore topic-wise MCQs in Technical Programming.

Which of the following is a multi-threaded server using non-blocking I/O?

How many algorithms mahout supports for clustering?

The Avros class also has a _____ method for creating PTypes for POJOs using Avro’s reflection-based serialization mechanism.

__________ represent the logical computations of your Crunch pipelines.

Which of the following Features of Apache Spark?

What is the full form of OEP?

Which of the following is incorrect way for Spark deployment?

Inline DoFn that splits a line up into words is an inner class ____________

Hive, Pig, and Cascading all use a _________ data model.

How many classification does Naive Bayes Classifier have?

Which of the following format is similar to TCompactProtocol?

When was Apache Spark developed ?

_____________ transport writes to a file.

_____________ is a human-readable text format to aid in debugging.

Spark is best suited for ______ data.

The ______________ class defines a configuration parameter named LINES_PER_MAP that controls how the input file is split.

All file access uses Java's __________ APIs which give Lucene stronger index safety.

___________ executes the pipeline as a series of MapReduce jobs.

__________ uses memory for I/O in Thrift.

The items stored on _______ are organized in a hierarchy of widget category.

__________ is an abstraction over Apache Hadoop YARN that reduces the complexity of developing distributed applications.

Which of the following project will create an SOA services framework?

Which of the following tool is intended to be more compatible with HDT?

Which of the following has the core Eclipse PDE tools for HDT development?

Data analytics scripts are written in ____________

Apache Knox accesses Hadoop Cluster over _________

A ________ is a way of extending Ambari that allows 3rd parties to plug in new resource types along with the APIs.

HICC, the Chukwa visualization interface, requires HBase version _____________

The easiest way to have an HDP cluster is to download the _____________

Apache Hadoop Development Tools is an effort undergoing incubation at _________

HDT is used for listing running Jobs on __________ Cluster.

HDT provides wizards for creating Java Classes for ___________

_____________ is a software distribution framework based on OSGi.

Ambari leverages ___________ for system alerting and will send emails when your attention is needed.

Which of the following provides extendible modern and functional API leveraging SE, ME and EE environments?

Which of the following is a monitoring solution for hadoop?

If demux is successful within ____________ attempts, archives the completed files in Chukwa.

Ambari provides a ________ API that enables integration with existing tools, such as Microsoft System Center.

Collectors write chunks to logs/*.chukwa files until a __________ MB chunk is reached.

By default, collector’s listen on port _________

REEF is a scale-out computing fabric that eases the development of Big Data applications are ___________

________ includes a ﬂexible and powerful toolkit for displaying monitoring and analyzing results.

_____________ is an IaaS (“Infrastracture as a Service”) cloud orchestration platform.

Apache __________ is a platform for building native mobile applications using HTML, CSS and JavaScript (formerly Phonegap).

Which of the following are a collaborative data analytics and visualization tool?

PostingsFormat now uses a __________ API when writing postings, just like doc values.

Heap usage during IndexWriter merging is also much lower with the new _________

Spark powers a stack of high-level tools including Spark SQL, MLlib for _________

Apache Flume 1.3.0 is the fourth release under the auspices of Apache of the so-called ________ codeline.

Spark is engineered from the bottom-up for performance, running ___________ faster than Hadoop by exploiting in memory computing and other optimizations.