Which two statements are true for named node pools? (Select two)

A.
Using appropriately named node pools is only available in clustered environments.

B.
Using appropriately named node pools allow the separation of buffering from sorting disks.

C.
Using appropriately named node pools force DataStage jobs to use named pipes between
stages.

D.
Named node pools are required for DataStage jobs to scale across multiple machines on a grid
or cluster.

E.
Using appropriately named node pool constraints limit stages to be executed only on the nodes
defined in the node pools.

Explanation:
http://lv97.com/l/index.php?view=DS(see named node pools)