How can an operator temporarily gain access to the command line while in a smit session, without losing the current smit session?（） F2 key。 F6 key。 F8 key。 F9 key。
How does an administrator, logged in as padmin, check what commands have been recently run on the VIO server?（） lsgcl 。 lsrep 。 padmin_history 。 alog o t console。
稳态机制
Your database operates in ARCHIVELOG mode and all the tablespaces are online. Due to a user error， you decided to perform an incomplete recovery. Which two tasks would you be required to perform in the recovery process？ （） open the database with the RESETLOGS option。 open the database with the RESTRICTED option。 recover all the data files to the same system change number （SCN）。 recover to the required SCN only that data file in which the error occurred。
对于万能保险，保险人不能强迫投保人缴纳固定的保险费，其直接的负面影响是（）。 保额不固定。 死亡率增加。 保险企业商誉下降。 保单容易失效。
关于物流质量的论述，正确的是（）
