Question: Which of the following is not a data visualization technique? a . A job tracker is a central control program used to accept, distribute, monitor,

Which of the following is not a data visualization technique?
a. A job tracker is a central control program used to accept, distribute, monitor, and report on MapReduce processing jobs in a Hadoop environment.
b. A task tracker is a central control program used to accept, distribute, monitor, and report on MapReduce processing jobs in a Hadoop environment.
c. A job tracker is a program in the MapReduce framework responsible to running mapper and reducer tasks on a node.
d. A ask tracker is a program in the MapReduce framework responsible to running mapper and reducer tasks on a node.
Which of the following is not a data

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