单选题The user base of a three-node cluster has increased. In order to add clustered users to all nodes， which of the following steps should be performed？（）AOn one of the nodes，add the users via C-SPOC ’Add a User to the Cluster’smit menu.BUse C-SPOC to sync
题目
单选题
The user base of a three-node cluster has increased. In order to add clustered users to all nodes， which of the following steps should be performed？（）
A
On one of the nodes，add the users via C-SPOC ’Add a User to the Cluster’smit menu.
B
Use C-SPOC to synchronize the password files between cluster nodes.
C
On all of the nodes，add the users to the /etc/passwd and system security files，and then synchronize the cluster.
D
On one of the nodes，add the users to the /tec/passwd and system security files，add home directories，and use cron to automate the movement of system security files between nodes.