A system administrator receives a new server and has booted the system for the first time. The administrator has set up the terminals and users. The user start to log on. Root is logged in on the console. When additional users start to log in, an error is displayed stating that All available login sessions are in use. Which of the following steps should be followed to resolve this problem?()
A. Permissions on /etc/security were changed in error; do a chmod 755 on /etc/security directory.
B. Increase the number of licenses; using smit chaili cense
Change the Maximum number of PROCESSES allowed per user variable; using smit chgsys.
D. Change User can logi field from false to true: using smit chuser.
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纬编(weft knitting)是将一根或几根纺线沿()逐步喂入织针上,然后顺序的弯曲成圈,并相互串套形成针织物的工艺方法。
An AIX system, which is running a database, is having performance issues with I/O writing. The DBA has provided numbers for the HIGH and LOW watermarks for pending file writes, which will optimize the system for best performance. To set these numbers, which of the following commands would be used?()
A. perfmon -h 30 -l 25
B. chdev
C. no -o
D. smit chgsy
由E-R图导出关系数据模型时,如两实体间是1:n联系,应把一方实体的关键字纳入另一方实体的关系中,同时把联系的属性也一并纳入另一方的关系中。
A. 正确
B. 错误