单项选择题
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.
相关考题
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单项选择题
Whereisthesuloglocated?（）
A. /var
B. /var/adm
C. /var/perf
D. /var/spool -
单项选择题
Whichofthefollowingcommandscanbeusedtogainrootprivilegesandprofilewithoutinitiallylogginginasroot?（）
A. su
B. su root
C. su - root
D. su -c "root" -
单项选择题
WhichofthefollowingisTRUEabouterrorprocessing?（）
A.The error daemon runs in the foreground and reads the /etc/errpt file.
B.The error daemon is invoked by the user when required and it reads the /usr/lib/errpt.
C.The error daemon is invoked whenever the error occurs and it reads the /usr/lib/errpt.
D.The error daemon /usr/lib/errdemon runs in the background on most machines and reads the /dev/error special file.
