What is the minimum number of virtual I/O server partitions needed to ensure high availability of the disks when utilizing the Virtual I/O server in a micro-partitioned solution？（） ["1","2","3","4"]
《铁路技术管理规程》规定，制动初速在140～160km／h的列车紧急制动距离须不大于（）。 ["1100m","1200m","1300","1400m"]
To examine the Exhibit， press the Exhibit button. While a user is compiling a C program， "vmstat 120 10" is run to determine the cause of a performance problem. Given the vmstat output as shown in the exhibit， which of the following conclusions is most appropriate to draw about the machine？（） [" The machine has too many users."," The machine has an I\/O bottleneck."," The machine has a CPU bottleneck."," The machine has a memory bottleneck."]
A filesystem fails to mount and running fsck does not resolve the problem. What command should be run next?（） ["logform","savebase","exportvg","synclvodm"]
工程网络计划中，工作E有两项紧后工作G和H，已知工作G和工作H的最早开始时间分别为25和28，工作E的最早开始时间和持续时间分别为17和6，则工作E的自由时差为（）。 ["1","2","3","5"]
简述传媒监督司法的必要性
