IBM(000-223)單項選擇題每日一練(2019.01.22)

A user is complaining that they ran out of paging space. 
Which of the following will address this and  provide best performance（）

A System p administrator needs to replace a failed internal disk in a mirrored rootvg. 
Which of thefollowing is one of the steps that would need to be followed（）

An administrator attempted to run a sar -u report and received the following error： sar： 0551-201 Cannot open /var/adm/sa/sa12. 
Which of the following should be scheduled in adm’s crontab to enable sar reporting（）

An administrator is ordering a new Power 550. They will mirror rootvg and are concerned about single points of failure. 
Which of the following features should be ordered（）