HDFS works in a __________ fashion

________ NameNode is used when the Primary NameNode goes down.

The need for data replication can arise in various scenarios like ____________

HDFS is implemented in _____________ programming language.

For YARN, the ___________ Manager UI provides host and port information.

________ is a programming model designed for processing large volumes of data in parallel by dividing the work into a set of independent tasks.

The daemons associated with the MapReduce phase are ________ and task-trackers.

inputFormat class calls the ________ function and computes splits for each file and then sends them to the jobtracker.

he default InputFormat is __________ which treats each value of input a new value and the associated key is byte offset.

Output of the mapper is first written on the local disk for sorting and _________ process.