Which of the following statements is true regarding the relationship of nodes and node groups?

A.
Nodes can belong to only one node group.

B.
Nodes managed by a node group cannot be deleted.

C.
All nodes are initially not associated with a node group.

D.
All nodes are initially associated with a default node group.

Explanation:
D: a node must be a member of a node group. Initially, all Application Server nodes are members of the default
DefaultNodeGroup node group.
Note: A node group is a collection of managed nodes.
Incorrect Answers:
A: A node can be a member of more than one node group.C: A node must be a member of a node group. Initially, all Application Server nodes are members of the default
DefaultNodeGroup node group.
https://www.ibm.com/support/knowledgecenter/en/SSAW57_8.5.5/com.ibm.websphere.nd.doc/ae/
cagt_node_group.html