How is block-change tracking enabled？（）  

A、 With alter database enable block change tracking

B、 With alter system enable block change tracking

C、 With an init.ora parameter change

D、 With an spfile parameter change

You are the network administrator for In particular you administer a Windows 2003 server named TestKing3. TestKing3 functions as an application server and runs IIS. You discover that one of the IIS sites on TestKing3 is corrupted. You need to recover the IIS site settings. You want to achieve this goal by using the minimum amount of administrative effort. What should you do?（）

A、Restore the IIS configuration settings by running the iisweb.vbs /create command.

B、Open IIS Manager, and restore a previous version of the site.

C、Restore the IIS configuration settings by running the iisback.vbs /restore command.

D、Restore the IIS configuration settings by running the iisback.vbs /backup command.

知识产权文化是尊重知识、崇尚创新、诚信守法的文化。

A、对

B、错

简述清代小说观念更新的主要表现。 

产生死锁的四个必要条件是互斥条件、请求和保持条件、不剥夺条件和（）。

A、线性增长条件

B、环路条件

C、无序释放条件

D、有序请求条件

E、无序请求条件

世界上第一个颁布反托拉斯法的法律是（）。

A、《谢尔曼反托拉斯法》

B、《克莱顿反托拉斯法》

C、《罗伯逊－帕特曼法》

D、《惠勒－利法》