城市生态评价的内容主要包括城市生态系统的（）、（）和（）三个方面。
A system administrator has determined that there is no network connectivity with the en0 interface. By doing a netstat -in, it is determined that the en0 interface is not showing up. Which of the following commands should be used to determine that en0 is defined in ODM with an IP address?（） entstat -d 。 ifconfig -a 。 lsattr -El en0 。 odmget -q "name=ent0 and attribute=netaddr" CuDv。
简述THE SWITCH变流器功率模块4U1用万用表检查模块管压降是否失效的方法。
Company.com moved their application start routines from the inittab and place them under HACMP control. During testing，the applications did not always start as desired. What is the best practice for the application start routines.（） Assume the system was stopped by a failure.。 Ensure the hostname parameters is set correctly.。 Assume the system was stopped by a graceful shutdown.。 Mount all volumes and file systems before running the application.。
关于DB型计划与DC型计划的说法，正确的是（）。 DB型计划由雇员承担投资风险，DC型计划由雇主承担投资风险。 DB型计划更受年轻雇员欢迎，DC型计划更受年老雇员欢迎。 DB型计划认知价值较高，DC型计划认知价值较低。 DB型计划不利于经常变换工作单位的雇员，DC型计划给付水平直接受投资绩效的影响。
The SQL Tuning Advisor configuration has default settings in your database instance. Which recommendation is automatically implemented after the SQL Tuning Advisor is run as part of the automatic maintenance task?（）
