To perform SNMP Monitoring of cluster， what daemon must be running？（）  

单项选择题Whataffectwillashutdown-Frcommandhaveontheresourcegroupsonaclusternode？（）

A. They will be placed in an error state.
B. They will be released an not acquired by another node.
C. They will migrate to the next node in the priority list.
D. They will migrate to the next node and be reacquired by the first node on system restart.

单项选择题AnadministratorusesC-SPOCtochangetheuserpasswordforallnodesthatbelongtoaResourcegroup.Theadministratormustperformthisoperationonanodethatis：（）

A. included in the resource group.
B. currently managing the resource group.
C. not part of an application resource group.
D. included in a cluster_admin resource group.