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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证券市场是指()
A. 证券发行与交易市场
B. 证券的发行市场
C. 证券的交易市场
D. 证券的流通市场
CIR机车天线的理想驻波比S是()。
A. 1
B. 1.5
C. 2
D. 5