单项选择题 After mirroring rootvg， a system administrator wants to validate that the system will boot correctly. Which of the following tasks must be performed before changing the boot order？（）

单项选择题 AIX shows the boot order in the following output： hdisk0  hdisk1 blv=hd5 cd0  What will happen when the system administrator reboots the server？（）

单项选择题 IBM remote support for hardware maintenance is required for several mission critical Power 595 servers. The data center is very security conscious and does not allow internet access. How should an administrator configure outbound connectivity of Electronic Service Agent？（）