[单选] A system administrator would like to modify the system default user characteristics so that each new user will now be assigned （by default） the csh shell rather than the ksh shell. Which of the following actions should be performed？（）

A pSeries technical specialist is performing a solutions assurance with a customer for a new single-frame 10-node p655 system being attached to a currently installed HMC.  Which of the following questions should be asked to gather all the required information to determine whether the p655 solution can connect to the HMC？（） Are there at least ten RS-232 ports available on the HMC？。 Are there at least ten RS-422 ports available on the HMC？。 Are there at least ten RS-232 and two RS-422 ports available on the HMC？。 Are there at least two RS-232 and ten RS-422 ports available on the HMC？。 信息网络系统属于什么系统（） 信息化应用系统。 其他应用系统。 信息设拖系统。 智能化数字网络系统。 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？（）     Use thee cascading resource groups where ’rg1’ and ’rg2’ fallover to Node ’B’ and ’rg3’ falls over to Node ’C’。  Use Dynamic Node Priority resource groups with a priority chain consisting of Node ’A’ then Node ’B’ then Node ’C’。  Use three rotating resource groups with ’rg1’ and ’rg2’ falling over to node ’B’ and ’rg3’ falling over to Node ’C’。  Upgrade Nodes ’B’ and ’C’ to be equal to Node ’A in CPU and memory resources to enable the cluster to synchronize three resource grou。 management has asked bob to post an introductory welcome page when notes users first open the video application in which one of the following places should bob put the welcome message?（）  in a document named welcome 。  in the  database about doc 。  in the  database using doc 。  in the first page in the database desig。 餐饮管理应该包括哪些环节？ A system administrator would like to modify the system default user characteristics so that each new user will now be assigned （by default） the csh shell rather than the ksh shell. Which of the following actions should be performed？（）