An administrator needs to be able to restore a mksysb created on SERVER_A using a 4MM tape drive， to SERVER_B that only has an 8MM tape drive. There is an additional server that has a 4MM drive at /dev/rmt0 and an 8MM drive at /dev/rmt1. Which of the following procedures should be followed to convert from the 4MM to 8MM format（） tcopy /dev/rmt0.1 /dev/rmt1.1。 dd if=/dev/rmt0.1 of=/dev/rmt1.1。 tar -xvf /dev/rmt0.1tar -cvf /dev/rmt1.1。 cpio -ivcBDUM < /dev/rmt0.1cpio -ovcBDUM. >/dev/rmt1.1。
The system administrator wants to use a new jfslog /dev/fs1log with the filesystem /test/fs1 on the testvg volume group. The following commands were used to create the log and assign it to the filesystem： （1）mklv -t jfslog -y /dev/fs1log testvg 1 （2）chfs -a log=/dev/fs1log /test/fs1 While trying to mount the /test/fs1 filesystem the administrator received the error： "Cannot mount /dev/fs1lv on /test/fs1： A system call received a parameter that is not valid". What step did the administrator miss that most likely caused the error？（） Use the logform command to format /dev/fs1log as a jfslog。 Use the chlv command to change the lv type of /dev/fs1log to jfslog。 Use the chvg command to change the default jfslog of testvg to /dev/fs1log。 Edit the /etc/filesystems file to change the log associated with /test/fs1 to /dev/fs1log。
根据阿特金森的研究，什么样的任务最对激发学习动机，最有利于学习？（） 较难的任务。 中等难度的任务。 中等偏难的任务。 容易的任务。
由于抽取样本的随机性造成的误差是（）。 无回答误差。 测量误差。 抽样框误差。 抽样误差。
All of the following settings will result in a getty process on the configured port EXCEPT： （） Enable。 Disable。 Share。 Delay。
How can an administrator view the service bootlist?（）
