A system must be upgraded from AIX 5.1 to 5.2. Which of the following scheduling processes should be performed? （） Schedule enough down time to backup, upgrade and reboot. 。 Backup, upgrade, then schedule enough down time to reboot the system. 。 Backup, then schedule enough down time to upgrade and reboot the system. 。 No scheduling processes are necessary because no down time is required.。
智能化系统的描述中，正确的有（）。 智能建筑电气技术仍然包括强电与弱电两类。 建筑及建筑群用电一般指220V50Hz及以上的强电。 建筑智能化就是集结构、系统、服务、管理及它们之间的最优化组合。 提供便利的建筑环境的建筑称之为智能建筑。 在通常的设计当中，建筑智能化分为安全防范系统、通信及控制系统.多媒体系统。
While monitoring a system using vmstat， which of the following options most likely indicates that the system is CPU bound？（） r is greater than 40。 id is greater than 50。 sum of id and wa equals 50。 sum of us and sy equals 100。
Which of the following procedures best explains how to enable the NIS name resolution to take precedence over DNS on a system-wide basis?（） Add the following line to /etc/netsvc.conf: hosts = nis,bind,local 。 edit /etc/netsvc.conf to add the following: process /full/path/of/process \{ hosts = local,nis,dns} 。 In an NIS and DNS environment, NIS takes precedence over DNS in this environment resulting in no change 。 Change the NSORDER environment variable&e。
层次分析是分析多因素对竞争力影响的常用工具时，以下对层次分析的描述不正确的是（）。 层次分析特点是可以细致周全的比对各因素的影响。 层次分析是通过因素对比和权重，评价不同对象的竞争力差异。 层次分析能为决策都提出最优的新方案。 层次分析相对繁琐，定性数据较多。
An administrator just completed an AIX installation but suspects that not all filesets installed completely.
Which of the following commands would verify that all filesets are completely installed（）
