A system has users doing interactive work while background jobs are running. Interactive users are requesting that system response time be improved for foreground processes. Which tuning parameters should be changed to accomplish this？（） schedtune -h。 schedtune -r。 vmtune -f。 schedtune -w。
保险公司委托保险营销员从事保险营销活动，应当与保险营销员签订书面委托协议，委托协议的授权范围（） 大于保险公司自身的业务范围和经营区域。 大于等于保险公司自身的业务范围和经营区域。 等于保险公司自身的业务范围和经营区域。 不得超出保险公司自身的业务范围和经营区域。
Which daemon converts Remote Procedure Call （RPC） program numbers into Internet port numbers？（） inetd。 rexecd。 routed。 portma。
请简述无功补偿的原理及主要的补偿方式.
Best practices would have no single point of failure between mirrored resources. In setting up virtual, internal boot disks for two client LPARs, how would this be accomplished?（） Have one VIO server with striped disks for all LPARs。 Have one VIO server with mirrored disks for all LPARs。 Have two VIO servers with each LPAR accessing both VIO servers。 Have two VIO servers with each LPAR accessing a different VIO server。
When line errors occur, which of the following commands should be sued to cause init to re-read the /etc/inittab file if init stops respawning the getty process on a TTY?（）
