What is the standard configuration of slave nodes in a Hadoop cluster?
A.
Each slave node either runs a TaskTracker or a DataNode daemon, but not both.
B.
Each slave node runs a JobTracker and a DataNode daemon.
C.
Each slave node runs a TaskTracker and a DataNode daemon.
D.
Each slave node runs a DataNode daemon, but only a fraction of the slave nodes run
TaskTrackers.
E.
Each slave node runs a TaskTracker, but only a fraction of the slave nodes run DataNode
daemons.
Explanation:
http://bradhedlund.com/2011/09/10/understanding-hadoop-clusters-and-the-network/
(second paragraph on the page)