单项选择题
An administrator uses C-SPOC to change the user password for all nodes that belong to a Resource group. The administrator must perform this operation on a node that is：（）
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.
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A. Customize clstat to send a mail message.
B. Customize an Event Notification method.
C. Customize an Error Notification method.
D. Customize clinfo to send an SNMP trap. -
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Company.com performs a cluster verification on a regular basis. Cluster verification is successfulbut the cluster sometimes fails to start the applications during a fallover. Investigation of the issue has revealed that the non-shared component of the application configuration information is not being kept up to date on the secondary nodes. What can be used to help resolve this issue？（）
A. A pre-event
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During an internal IT organization planning session， it is decided that a new cluster node would Enhance the performance of a distributed corporate application. Planning details have been assigned to the administrator. System outages are limited to one weekend per month； therefore， availability will be a key issue in the planning process. How much cluster downtime will need to be allocated for adding a new node？（）
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D. Minimal downtime will be required to connect and test the serial network.
