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."]
The storage specialist sized a DS8800 proposal with eight host adapters in the four-port version. 240 drives of the 146GB-15k rpm type will be installed. The proposal needs to meet a very competitive price. The customer will have only minor capacity growth in the future. Which of the following solutions best meets these requirements（） ["offer a DS8800 one-frame system in four-way processor version and standard cabling","offer a DS8800 one-frame system in two-way processor version and business class cabling","offer a DS8800 one-frame system in two-way processor version and standard cabling","offer a DS8800 one-frame system in four-way processor version and business class cabling"]
水文现象的变化，既有确定性又有随机性，因此，水文计算和水文预报中，应根据具体情况，采用成因分析法或数理统计法，或二者相结合的方法进行研究。
以下哪个产品的机械臂上带有冗余的双磁带抓取器，每个抓取器均可以访问到磁带库中的所有槽位？（） ["IBM TS3310","IBM TS3500","SUN SL8500","Quantum Scalar 10K"]
Krstin has created a page in the videos application .which one of the following statements about pages is not true ?（） ["pages are design elements","Pages can be full-text indexed ","pages can be referenced by outlines or frames ","pages can include text,graphics ,applets,and link"]
营销组合策略包括哪些要素？
