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单项选择题Which is a supported method to upgrade firmware on an IBM Power Systems 570?()

A、Use the /usr/sbin/invscout AIX command

B、Use the 'Updates' panel on the managing HMC

C、Boot the 570 using an IBM-provided microcode CD

D、Use the /usr/lpp/diagnostics/bin/update_flash AIX command

  • B
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