Which of the following is the correct command to docume……

单项选择题Which command will create a group called ‘delivery’and set the administrators to john’ and ‘mary’?（）

A.mkgroup -A=john,mary delivery
B.groupadd -A=john,mary delivery
C.mkgroup adms=john,mary delivery
D.groupadd adms=john,mary delivery

单项选择题Which command shows dump components and controls live dump attributes?（）

A.dumpctrl
B.sysdumpdev
C.livedumpdev
D.livedumpctrl

单项选择题Which method will configure an e-mail notification when permanent hardware errors are logged in the errorlog?（）

A.Create or update the errnotify stanza in the ODM.
B.Update errpt daemon configuration file /etc/errpt.conf.
C.Update errpt daemon configuration file /var/adm/errpt.conf.
D.Define a notification alias in the /etc/syslog.conf file with the *.error stanza.

单项选择题A filesystem failed to successfully mount, indicating the error message. 0506-324 - cannot mount media not formatted or invalid format 0506-342 - Superblock is dirty run fsck. Which parameter can be passed to the fsck command to automatically take any remedial action required?（）

A.-p
B.-y
C.-f
D.-v

单项选择题Which system provides redundant system clocks?（）

A.Power 595
B.Power 560
C.Power 570
D.Power 550