单项选择题
The /etc/inittab file is composed of position-dependent entries. What is the second field of an /etc/inittab file entry？（）
A.Label B.Action C.Command D.RunLevel
单项选择题 AsystemadministratorhasamksysbontapeofanAIX5.2machineandneedstoinstallitonadifferentserver.Howcanthisbeaccomplished？（）
