In a cluster using /etc/hosts for name resolution， which of the following describes the minimum requirementsfor the /etc/hosts file？（）
- AIP address and IP label of each service and boot interface in the cluster
- BIP address and IP label of each service and boot interface in the cluster， loopback interface， and the hostname of the node
- CIP address and IP label of each service and boot interface in the cluster， the loopbackinterface， and the cluster gateway
- DIP address and IP label of each service and boot interface in the cluster， the loopbackinterface， the cluster gateway， and the subnet network addresse