A.mkgroup -A=john,mary deliveryB.groupadd -A=john,mary ……

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

单项选择题During an attempt to scp between two hosts, an error indicating PRNG is not seeded is displayed. What is the likely cause of the error?（）

A.The sshd user id is locked.
B.The /var/empty directory needs to be created.
C.PRNG is set to 'no' in the /etc/ssh/sshd_config file.
D.The permissions on /dev/random and /dev/urandom are incorrect.