A system administrator was able to boot a system from the AIX installation CDROM. The migration install was selected, but the process hung at 92% complete. The system administrator then rebooted the system, which subsequently hung at LED 552. Which of the following options is the most probable cause?（） The ODM is corrupted.。 There is a hardware failure.。 The bosboot command failed.。 Not enough space is available in the filesystems.。
运用波特五力模型分析竞争力时，以下对新进入者或称潜在竞争者分析中需要考虑的内容有（）。 新进入者引起恶性竞争如价格战的可能性。 产业进入障碍和退出壁垒。 政府规划和政策。 供应商的集中程度。
Which of the following is TRUE about error processing?（） The error daemon runs in the foreground and reads the /etc/errpt file. 。 The error daemon is invoked by the user when required and it reads the /usr/lib/errpt. 。 The error daemon is invoked whenever the error occurs and it reads the /usr/lib/errpt. 。 The error daemon /usr/lib/errdemon runs in the background on most machines and reads the /dev/error special file.。
我国把教育和科技列为经济建设的三大战略之一，始自党的（） 十四大。 十三大。 十二大。 十五大。
The database is currently open and the temp03.dbf tempfile belonging to the default temporarytablespace TEMP has been corrupted. What steps should you take to recover from this tempfile loss in an efficient manner？（） Allow the database to continue running，drop the TEMP tablespace，and then re-create it with new tempfiles。 Shut down the database， restore and recover the tempfile from backup，and then open the database with RESETLOGS。 Allow the database to continue running，take the TEMP tablespace offline，drop the missing tempfile，and then create a new tempfile。 Allow the database to continue running，add a new tempfile to TEMP tablespace with a new name，and drop the tempfile that has been corrupted。
A system administrator wants to perform some system maintenance. The AIX installation CD is in the CDROM drive， however the system will not boot from the CD. Which command will assist in determining if the CDROM drive is currently a bootable device？（）
