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Q 1 - Which of these provides a Stream processing system used in Hadoop ecosystem?
Q 2 - For the frequently accessed HDFS files the blocks are cached in
Q 3 - Which of the following is not a fencing mechanism for a previously active namenode?
Q 4 - The command to check if Hadoop is up and running is −
Q 5 - The output of a mapper task is
Q 6 - When a file in HDFS is deleted by a user
Q 7 - The archive file created in Hadoop always has the extension of
Q 8 - You can reserve the amount of disk usage in a data node by configuring the dfs.datanode.du.reserved in which of the following file
Q 9 - What is AVRO?
Q 10 - Which of the following is false about RawComparator ?