请论述物流产业的特征及产业结构
A system administrator used the savevg command to back up the testvg each night. There is now a requirement to exclude the /test/static filesystem from the backup. How can this be accomplished？（） Use the -X flag on the savevg command。 Put an entry in the /etc/exclude.testvg file。 Remove the /test/static entries from the /vgdata/testvg.data file。 Use the touch command to create /test/static/.exclude before using savevg。
甲流域为羽状水系，乙流域为扇状水系，其它流域下垫面因素和气象因素均相同，对相同的短历时暴雨所形成的流量过程，甲流域的洪峰流量比乙流域的（）
The pSeries technical specialist just finished reviewing the system configurations with the customer. The customer requested that many of the availability options，initially configured，be removed due to budgetary constraints. What should be done next？（） Remove the availability options，as requested， and place the systems on order.。 Keep the availability options in the configurations and engage the pricer to provide deep discounting on the solution.。 Remove the availability options and review the new configurations with the customer，highlighting the potential exposures.。 Keep the availability options in the configurations， knowing that these options may prevent a critical situation in the future.。
在Excel中要将光标直接定位到A1，可以按（）
A current IBM System Storage DS8000 open systems customer needs a temporary copy of data that will be needed for only 12 hours.
Which DS8000 function best satisfies this requirement（）
