单项选择题 Company.com has a three-node cluster with six resource groups. There are two resource groups  for each node. A new hardware component will be added to one of the nodes. The customer wants to move the resource groups to other nodes，but not necessarily in the normal fallover order. Also，the resource groups must be moved at night when there is no one in the computer center. What can be done so that the resource group is moved at the most convenient normal fallover order. Also，the resource groups must be moved at night when there is no one in the computer center.  What can be done so that the resource group is moved at the most convenient time for the customer？（）

单项选择题 During an HACMP migration，two nodes of a four-node cluster have been migrated. The existing hardware of the remaining two nodes do not meet the pre-requisites of the HACMP level that is being installed.  Which of the following is the best method for resolving this issue？（）

单项选择题 An administrator has added an additional network adapter to each cluster node. The adapters  have been configured and tested， and the /etc/hosts file has been updated. However，the adapters do not appear in the pick list when the administrator tries to define the adapters to HACMP.  What would be required to correct this problem？（）