单选题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 on
题目
单选题
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？（）
A
None，everything can be done with the cluster active.
B
Minimal downtime will be required to import the volume groups.
C
Several hours are required for testing before final synchronization.
D
Minimal downtime will be required to connect and test the serial network.
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参考答案和解析
正确答案：
B
解析：
暂无解析