_________ stores its metadata on multiple disks that typically include a non-local file server.(a) DataNode(b) NameNode(c) ActionNode(d) None of the mentionedI have been asked this question in examination.Question is taken from Data Integrity topic in section Hadoop I/O of Hadoop

_________ stores its metadata on multiple disks that typically include

1.	_________ stores its metadata on multiple disks that typically include a non-local file server.(a) DataNode(b) NameNode(c) ActionNode(d) None of the mentionedI have been asked this question in examination.Question is taken from Data Integrity topic in section Hadoop I/O of Hadoop
Answer» RIGHT answer is (b) NameNode The BEST I can explain: HDFS tolerates FAILURES of storage servers (called DATANODES) and its disks.

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_________ stores its metadata on multiple disks that typically include a non-local file server.(a) DataNode(b) NameNode(c) ActionNode(d) None of the mentionedI have been asked this question in examination.Question is taken from Data Integrity topic in section Hadoop I/O of Hadoop

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