A company wants to reduce the footprint in their data center. They recently completed a proof of
concept with Hadoop using Direct Attached Storage (DAS) for their Big Data initiative. You have

determined that incorporating an Isilon cluster into their Hadoop environment would help in
reducing this footprint. Which Hadoop components can be consolidated onto the Isilon cluster to
reduce the footprint?

A.
DataNode and NameNode

B.
DataNode and ComputeNode

C.
ComputeNode and NameNode

D.
NameNode and TaskTracker

Explanation:
Reference: http://www.emc.com/collateral/software/white-papers/h10528-wp-hadoop-on-isilon.pdf
(page 17, first para)