单项选择题
A patch has been applied to the operating system. After rebooting, the system is hung. Which of the following commands should have been performed to prevent the system from hanging?（）
A. lppchk, bosboot B. lslpp -l, oslevel C. installp -C, lppchk D. bosboot, synclvodm
单项选择题 Whichofthefollowingkdbsubcommandsshouldbeenteredtoobtaininformationaboutaserialport?（）
单项选择题 Whichlogfileshowspreviousinstallationinformation?（）
单项选择题 Whichofthefollowingcommandsshouldbeusedtoobtainadetailedoutputofthesystemerrorlog?（）
