Which job will take the most time to run in MapReduce?
A job involving sorting
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A job involving shuffling
A job involving multiple mapside joins
A job involving multiple reduceside joins
Tag: Big Data Analytics
Which of these processes is optional in the MapReduce Framework?
Which of these processes is optional in the MapReduce Framework?
Sorting
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Reducer
Shuffling
Mapper
Where does the Application Master of a job reside while a job is running on the cluster?
Where does the Application Master of a job reside while a job is running on the
cluster?
cluster?
Resource Manager
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Namenode
On a Node Manager assigned by the Resource Mananger
On every node where the job is being executed
Which component was removed in Hadoop 2.0?
Which component was removed in Hadoop 2.0?
Job tracker
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YARN
MapReduce
Namenode
Which of these queue schedulers are not available in YARN?
Which of these queue schedulers are not available in YARN?
LIFO
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Fair scheduler
Capacity scheduler
FIFO
Which of these is true about a datanode?
Which of these is true about a datanode?
Datanode is a HDFS slave component
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Namenode sends heartbeat to datanode to make sure its available
Datanodes are used to run jobs
Every 5th heartbeat is a block report
What is a good number for block size?
What is a good number for block size
multiple of 512kb
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500kb
multiple of 1000kb
100kb
A company has deployed a Hadoop stack and wishes to implement Access Control over its various employees. Which service can be used for this purpose?
A company has deployed a Hadoop stack and wishes to implement Access Control over
its various employees. Which service can be used for this purpose?
its various employees. Which service can be used for this purpose?
Ranger
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Knox
Spark
Solr
Which of the following services can be used to provide perimeter security to a Hadoop stack?
Which of the following services can be used to provide perimeter security to a Hadoop
stack?
stack?
Knox
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Ranger
Spark
Solr
A company is considering deploying a Hadoop stack for their business. Previously, they used traditional RDMS to store their data. Which service can be used by the company to store their data in the Hadoop stack after migration?
A company is considering deploying a Hadoop stack for their business. Previously, they
used traditional RDMS to store their data. Which service can be used by the company to
store their data in the Hadoop stack after migration?
used traditional RDMS to store their data. Which service can be used by the company to
store their data in the Hadoop stack after migration?
Hive
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Storm
Kafka
Sqoop