The key ______ command, – Which is traditionally a bash script – is also re-implemented as Hadoop.cmd.
Hadoop
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Start
Had
Hadstrat
Category: Hadoop Basics
Which of the following individual components are included on HDInsight clusters?
Which of the following individual components are included on HDInsight clusters?
All Options are Correct
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Hive
Pig
Oozie
In Hadoop ______ go to the Hadoop distribution directory for HDInsight.
In Hadoop ______ go to the Hadoop distribution directory for HDInsight.
Command Line
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Shell
Compaction
None of the Option is Correct
Point out the Correct Statement.
Point out the Correct Statement.
All Options are Correct
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Hadoop has been demonstrated on GNU/Linux clusters with 2000 nodes.
GNU/Linux is supported as a development and production platform
Distributed operation has not been well tested on Win32, so it is not supported as a production platform
Microsoft and Hortonworks joined their forces to make Hadoop available on __ for on-premise deployments.
“
Microsoft and Hortonworks joined their forces to make Hadoop available on ______ for on-premise deployments.
Windows Server
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Windows 7
Windows 8
Ubundu
Which of the following Hadoop streaming command option parameter is required?
Which of the following Hadoop streaming command option parameter is required?
All Options are Correct
Excellent ! Your Answer is Correct. Explanation: Required parameters are used for Input and Output location for the mapper.
output directoryname
mapper executable
input directoryname
To configure short-circuit local reads, you will need to enable ____________ on local Hadoop.
To configure short-circuit local reads, you will need to enable ____________ on local Hadoop.
libhadoop
Excellent ! Your Answer is Correct. Explanation: Short-circuit reads make use of a UNIX domain socket.
librayhadoop
libhad
None of the Option is Correct
___________ is the world’s most complete, tested, and popular distribution of Apache Hadoop and related projects.
___________ is the world’s most complete, tested, and popular distribution of Apache Hadoop and related projects.
CDH
Excellent ! Your Answer is Correct. Explanation: Cloudera’s open-source Apache Hadoop distribution, CDH (Cloudera Distribution Including Apache Hadoop), targets enterprise-class deployments of that technology.
MDH
ADH
BDH
Point out the wrong statement.
Point out the wrong statement.
Spark is intended to replace, the Hadoop stack
Excellent ! Your Answer is Correct. Explanation: Spark is intended to enhance, not replace, the Hadoop stack.
Spark was designed to read and write data from and to HDFS, as well as other storage systems
Hadoop users who have already deployed or are planning to deploy Hadoop Yarn can simply run Spark on YARN
None of the Option is Correct
The High availability of Namenode is achieved in HDFS2.x using
The High availability of Namenode is achieved in HDFS2.x using
Shared Edit Logs
Excellent ! Your Answer is Correct.
Synchronized Edit Logs
Polled Edit Logs
Edit Logs Replacement