An AIX system administrator needs to adjust the maximum amount of memory that can be pinned. Which of the following commands is used to make the change?() vmtune -M。 svmon -m。 vmstat -s。 schedtune -m。
The root id is set so that direct login is disabled. Information must be reviewed relating to when root access was obtained. In which of the following files is this information located?() /var/adm/sulog 。 /var/adm/wtmp 。 /etc/security/user 。 /etc/security/failedlogi。
流动人口对城市经济、社会的影响。
问卷设计中,封闭式问题的缺点有()。 备选答案可能会产生不穷尽的现象。 回答问题的要求比较高。 填写问卷花费的时间比较多。 可能会产生被调查者不知如何。
光滑极限量规用来检验螺纹的什么尺寸?
病员35岁,男,溃疡病出血,贫血貌,MCV85fL,MCH28pg,MCHC32%,贫血性质()