Explanation:There can be any number of DataNodes in a Hadoop Cluster. 3. HDFS works in a __________ fashion.
A. master-worker
B. master-slave
C. worker/slave.
D. All of the mentioned
Answer:A
Explanation:There can be any number of DataNodes in a Hadoop Cluster. 3. HDFS works in a __________ fashion.
A. master-worker B. master-slave C. worker/slave. D. All of the mentioned
Explanation:NameNode servers as the master and each DataNode servers as a worker/slave 4. ________ NameNode is used when the Primary NameNode goes down.