某出血性疾病患者，实验室检查结果是：PT正常，APTT延长，APTT延长不被新鲜血清纠正，而被硫酸钡吸附血浆纠正，此结果提示患者是（） 血友病甲。 血友病乙。 因子Ⅺ缺乏症。 维生素K缺乏症。
Which command must be run after an administrator has made changes to /etc/services to activate the changes？（） /etc/rc.tcpip。 refresh -s inetd。 startsrc -s inetd。 startsrc -g tcpi。
One of the key decision making factors in a very competitive opportunity will be cost. Companycom needs an aggregate rPerf rating of 120. What is the best solution?（） Two p5 570 16 way 1.9 MHz machines。 One p5 590 32 way 1.65 MHz machines。 One p5 595 32 way 1.65 MHz machines。 Two p5 570 16 way 1.65 MHz machine。
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。
Multiple users are trying to telnet to the AIX server. They are able to ping the server successfully， but are getting the following error message： telnet： connect： A remote host refused an attempted connect operation Which of the following options could be the cause of this problem（）
