单选题In a cluster using /etc/hosts for name resolution， which of the following describes the minimum requirementsfor the /etc/hosts file？（）A IP address and IP label of each service and boot interface in the clusterB IP address and IP label of each service a

IP address and IP label of each service and boot interface in the cluster

IP address and IP label of each service and boot interface in the cluster， loopback interface， and the hostname of the node

IP address and IP label of each service and boot interface in the cluster， the loopbackinterface， and the cluster gateway

IP address and IP label of each service and boot interface in the cluster， the loopbackinterface， the cluster gateway， and the subnet network addresses