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單項(xiàng)選擇題

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.

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