A system must 

题目

A system must be upgraded from AIX 5.1 to 5.2.  Which of the following scheduling processes should be performed? ()

  • A、 Schedule enough down time to backup, upgrade and reboot. 
  • B、 Backup, upgrade, then schedule enough down time to reboot the system. 
  • C、 Backup, then schedule enough down time to upgrade and reboot the system. 
  • D、 No scheduling processes are necessary because no down time is required.
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