The RECYCLEBIN parameter is set to ON for your database. You drop a table, PRODUCTS, from the SCOTT schema.Which two statements are true regarding the outcome of this action?（）

A

All the related indexes and views are automatically dropped

B

The flashback drop feature can recover only the table structure

C

Only the related indexes are dropped whereas views are invalidated

D

The flashback drop feature can recover both the table structure and its data

计算思维主要是计算数学、信息科学和计算机科学的任务，与其他学科关系不大。

A、对

B、错

局域网中，常用的网络传输介质有（）

A、双绞线

B、同轴电缆

C、光缆

D、电话线

You have enabled backup optimization for the RMAN environment.Identify two criteria on which RMAN will skip the file, if it has already been backed up.（）

The data file backup is done with multiple channels

The data files is in the read-write mode after being backed up in the read only mode

The backup was taken after the data files was taken offline-normal or is in the read only mode

The data file backup complies with the back retention policy and the backup duplexing feature

使用VC6打开考生文件夹下的源程序文件modi2.cpp。请完成以下两个函数：　　1．fun1(intn)；求出n的阶乘，必须使用递归调用。　　2．fun2(intn)；求出n的阶乘，不能使用递归调用。　　如果n小于1则返回0。　　注意：请勿改动主函数main与其他函数中的任何内容，仅在函数fun的花括号中填入所编写的若干语句。　　　　

主存储器有ROM和RAM，计算机突然停电后，存储信息就会丢失的是（）。

A、外存储器

B、只读存储器

C、寄存器

D、随机存储器