Explanation:Secondary namenode is used for all time availability and reliability. 5. Point out the wrong statement :
A. Replication Factor can be configured at a cluster level (Default is set to 3) and also at a file level
B. Block Report from each DataNode contains a list of all the blocks that are stored on that DataNode
C. User data is stored on the local file system of DataNodes
D. DataNode is aware of the files to which the blocks stored on it belong to
Answer:A
Explanation:Secondary namenode is used for all time availability and reliability. 5. Point out the wrong statement :
A. Replication Factor can be configured at a cluster level (Default is set to 3) and also at a file level B. Block Report from each DataNode contains a list of all the blocks that are stored on that DataNode C. User data is stored on the local file system of DataNodes D. DataNode is aware of the files to which the blocks stored on it belong to
Explanation:NameNode is aware of the files to which the blocks stored on it belong to. 6. Which of the following scenario may not be a good fit for HDFS ?