单项选择题
A. Two cluster with two resource groups in a mutual takeover configuration.
B. One cluster with two cascading resource groups in a mutual takeover configuration.
C. One cluster with two rotating resource groups in a one-sided hot standby configuration.
D. Two clusters with two resource groups in a hot-standby configuration with a newly acquired third node.
单项选择题 Company.com has a three-node cluster （Node ’A’， Node ’B’， and Node ’C’） with three resource Groups （rg1， rg2， and rg3）. Node ’A’ has twice as many CPUs and twice as much memory as the two test add development Nodes ’B’ and ’C’. During normal production processing， all resource groups are active on Node ’A’. What is most efficient way to configure the cluster to manage the workload？（）
单项选择题 Aclusterscriptfailedbecauseitwasunabletosetthehostname，andtheClusterManagerreportedtheeventfailure.Whatmustbedonepriortosuethe"HACMPProblemDeterminationTools"->"RecoverFromScriptFailure"tohavetheClusterManagerresumeclusterprocessing？（）
单项选择题 A recommended PTF is released to resolve reliability issues with bos .net.tcp.server. A Maintenance windows has been scheduled to install the PTF on all nodes. In order to complete the maintenance，what are the next logical steps to be completed after the install of the PTF on all nodes？（）