An administrator created a .env file in a user’s home directory to configure a number of custom environment variables for a local application. However， after the user logs out and then logs back into the system， the custom variables are not being set What is the most likely reason that the custom .env file is being ignored？（） A shell other than ksh is being used by the user.。 The line ’export ENV=$HOME/.env’ is missing from /etc/profile.。 The line ’export ENV=$HOME/.env’ is missing from the user’s .profile.。 The env_profile attribute is not defined for the user within /etc/security/user.。
工具管理
项目监理招标的招标人是该项目的项目法人。代理人自行办理项目监理招标事宜时，应当按有关规定履行核准手续。
Which of the following functions can be performed using the Integrated Virtualization Manager?（） Concurrent firmware updates。 Management of virtual storage。 Hot add/remove of I/O drawers。 Management of Capacity on Demand。
A consultant has been asked to do a performance analysis on a database server. Which subsystem should the consultant first analyze and why？（） CPU，because the database replication process requires a considerable amount of CPU time。 Memory，because the buffer cache requires a large amount of memory to maintain the data in system memory。 Disk，because it is important to configure a sufficient number of disks to match the CPU processing power。 Network，because the data returned to the client from the server can be a large subset of the total database。
施工、维护人员从事电工作业必须持有（），否则禁止从事电工作业
