Explanation:HDFS has a simple yet robust architecture that was explicitly designed for data reliability in the face of faults and failures in disks, nodes and networks. 9. _________ stores its metadata on multiple disks that typically include a non-local file server.
A. DataNode
B. NameNode
C. ActionNode
D. None of the mentioned
Answer:A
Explanation:HDFS has a simple yet robust architecture that was explicitly designed for data reliability in the face of faults and failures in disks, nodes and networks. 9. _________ stores its metadata on multiple disks that typically include a non-local file server.
A. DataNode B. NameNode C. ActionNode D. None of the mentioned
Explanation:HDFS tolerates failures of storage servers (called DataNodes) and its disks. 10. The HDFS file system is temporarily unavailable whenever the HDFS ________ is down.