市场变化趋势主要是（）共同作用的结果。 趋势因素。 周期因素。 季节因素。 不确定因素。 复合因素。
Which of the following tools should be used to report current network status and is often used to check the reliability of a network？（） netpmon。 netstat。 nfsstat。 vmstat。
Consider the following scenario for your database: Which statement is true regarding the backup of the TOOLS tablespace?（） The RMAN backup fails because the TOOLS tablespace is read-only。 The RMAN skips the backup of the tablespace because backup optimization is enabled。 The RMAN makes backup because optimization can be enabled only for backups to disk。 The RMAN makes the backup because no backup of the tablespace exists within the seven day window。
During a system boot, an error message appears concerning a paging space, paging00. The paging space was located on hdisk2, but the disk was removed from the system without proper software procedures. Which of the following commands should be used as the first step in the process of recovery?（） mkps paging00 hdisk0。 chpv -v r hdisk2。 chps -a n paging00。 reducevg rootvg hdisk2。
An application is no longer required to start up automatically at system boot. Which of the following supported procedures would the administrator use to accomplish this（） Edit the /etc/inittab and comment out the entry that starts the application by placing a at the beginning of the line.。 Use the chitab command.。 Use the rmitab command.。 Edit the /etc/reboot file to remove the entry that starts the application.。
紧急限压阀在限压状态时各部位的位置与其在（）状态时相同。
