A customer purchased 12 C72 nodes and 22 P25E nodes. When implement the implementation plan, the following arguments which are wrong? (Multiple choice)

A customer purchased 12 C72 nodes and 22 P25E nodes. When implement the implementation plan, the following arguments which are wrong? (Multiple choice)
A . 12 C72 nodes are classified as a node pool
B . The front-end network can all adopt 10GE network
C . InfoTier can be used to store data according to the customer’s business type.
D . Can be divided into 3 node pools

Answer: ABD