纤维蛋白（原〉降解产物的作用，下列哪项是正确的（） 促进纤维蛋白单体结合。 抑制血液凝固。 促进血液凝固。 促进血小板聚集。
In order to change the system runlevel and execute /etc/inittab entries based on the new runlevel, which of the following commands should be performed?（） telinit。 runinit。 sysinit。 startinit。
The system hangs at boot time after starting NFS services.What is the most likely cause?（） The action parameter of rcnfs in /etc/inittab is 'off' and the script called is not exiting.。 The action parameter of rcnfs in /etc/inittab is 'wait' and the script called is not exiting.。 The action parameter of rcnfs in /etc/inittab is 'once' and the script called is not exiting.。 The action parameter of rcnfs in /etc/inittab is 'respawn' and the script called is not exiting.。
降压药分哪些类，试述各类的降压作用机制，并列出各类的代表药物。
While using the smit install_remove menus to remove some filesets the system administrator notices the /usr filesystem is now unnecessarily large. Which of the following actions will reduce the size of the /usr filesystem？（） Backup， unmount， remove， recreate and restore the filesystem.。 Boot from mksysb tape and select Shrink filesystems on restore.。 Unmount， run defragfs /usr and the reducefs -size XXX /usr commands.。 Update /etc/filesystems with the desired size for /usr and reboot the system.。
A customer is running Oracle on a Sun server and requires an upgrade to improve performance. What competitive issues are appropriate in positioning pSeries server performance versus Sun for this customer？（）
