A ________ serves as the master and there is only one NameNode per cluster.
A. Data Node
B. NameNode
C. Data block
D. Replication
Answer:A
A ________ serves as the master and there is only one NameNode per cluster.
A. Data Node B. NameNode C. Data block D. Replication
Explanation:All the metadata related to HDFS including the information about data nodes, files stored on HDFS, and Replication, etc. are stored and maintained on the NameNode. 2. Point out the correct statement :