Which three basic configuration parameters must you set to migrate your cluster from
MapReduce 1 (MRv1) to MapReduce V2 (MRv2)?

A.
Configure MapReduce as a Framework running on YARN by setting the following
property in mapred-site.xml: <name>mapreduce.framework.name</name>
<value>yarn</value>

B.
Configure the NodeManager to enable MapReduce services on YARN by setting the
following property in yarn-site.xml: <name>yarn.nodemanager.hostname</name>
<value>your_nodeManager_shuffle</value>

C.
Configure the NodeManager hostname and enable node services on YARN by setting
the following property in yarn-site.xml: <name>yarn.nodemanager.hostname</name>
<value>your_nodeManager_hostname</value>

D.
Configure a default scheduler to run on YARN by setting the following property in
mapredsite.xml: <name>mapreduce.jobtracker.taskScheduler</name>
<Value>org.apache.hadoop.mapred.JobQueueTaskScheduler</value>

E.
Configure the number of map tasks per jon YARN by setting the following property in
mapred: <name>mapreduce.job.maps</name> <value>2</value>

F.
Configure the ResourceManager hostname and enable node services on YARN by
setting the following property in yarn-site.xml:
<name>yarn.resourcemanager.hostname</name>
<value>your_resourceManager_hostname</value>

Explanation: