题目内容

You require the Oracle server to manage the undo segments and space among various active sessions automatically. You created an undo tablespace， UNDO_TBS1， in your database. Which two additional steps would you perform to achieve this？（）

A. Set the UNDO_RETENTION parameter to 900 or more.
B. Create an initial undo segment in the undo tablespace.
C. Enable the retention guarantee for the undo tablespace.
D. Set the UNDO_TABLESPACE parameter to UNDO_TBS1.
E. Set the UNDO_MANAGEMENT initialization parameter to AUT

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You require the Oracle server to manage the undo segments and space among various active sessions automatically. You created an undo tablespace， UNDO_TBS1， in your database. Which two additional steps would you perform to achieve this？（）

A. Set the UNDO_RETENTION parameter to 900 or more. B. Create an initial undo segment in the undo tablespace. C. Enable the retention guarantee for the undo tablespace. D. Set the UNDO_TABLESPACE parameter to UNDO_TBS1. E. Set the UNDO_MANAGEMENT initialization parameter to AUT

检测室门窗打开空气流通情况下，在硫化氢检测箱内检测硫化氢传感器时，可以不开检测箱的排风扇进行检测吗？有何危害？

电压比校核，试验变压器的高压输出端应串接保护电阻器，保护电阻的取值一般为0.1Ω/V～0.5Ω/V，阻值不宜超过30kΩ并应有足够的（）。

《信息系统工程监理及相关信息技术咨询服务取费计算方法（参照标准）》中信息系统工程项目复杂度调整系数表内给出的复杂度调整系数最大值、最小值分别为（）。

One of Company.com’s Linux partitions is experiencing excessive paging. They want to provide more memory to the partition to resolve this problem. What is the best method to add the memory？（）

A. Set the UNDO_RETENTION parameter to 900 or more.
B. Create an initial undo segment in the undo tablespace.
C. Enable the retention guarantee for the undo tablespace.
D. Set the UNDO_TABLESPACE parameter to UNDO_TBS1.
E. Set the UNDO_MANAGEMENT initialization parameter to AUT