单项选择题 An administrator is moving a volume group from one server to another. The disks will be physically moved between the two systems. Which two operations are required on the volume group prior to the physical disk switch?（）

单项选择题 An administrator needs to configure a server (192.168.22.22) as a temporary solution for an NTP master that has stopped working. What is the process for configuring the NTP master?（）

单项选择题 An administrator wants to run topas as their own userid but gets the following error when trying. user1>$ topas topas. Unable to initialize Spmi interface Spmi. Error 13 opening file /etc/Spmi_shm_hook. Which of the following is the most likely cause of the error?（）