单项选择题 Company.com recently updated the programs used in an HACMP pre-event. The procedure Involved coping the new code over the old code in the appropriate directory on one of the nodes as indicated by the HACMP event entry. The cluster was synchronized.  During a fallover test，the backup system did not behave as expected.What is the most likely problem？（）

单项选择题 An Enhanced Journeyed File System that is in a shred non-concurrent Volume Group is growing  at an unexpected rate. It is the administrator’s task to enlarge the filesystem without interrupting service.  What method should be sued to achieve this goal？（）

单项选择题 Anadministratorrunsclstatonaclusternodeandreceivesthefollowingresponse：’CannotgetClusterInformation.’Whichofthefollowingdaemonsmayneedtobestartedinordertocorrectthisproblem？（）